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Changes On Branch 7b86032d25a8b4e5
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Changes In Branch v1.80-dbperformance Excluding Merge-Ins

This is equivalent to a diff from 19861e6399 to 7b86032d25

2023-02-10
21:06
Merging pretty good branch v1.80-dbperf to v1.80 check-in: 7170e5f43b user: matt tags: v1.80
20:19
Use debugprint module in dbfile module as stepping stone to replacing old debug:print calls with new. Closed-Leaf check-in: 0e8fa15f1d user: matt tags: v1.80-debugprint
2023-02-06
19:35
Squashed v1.80-dbperformance into one commit check-in: 6c7b8be468 user: matt tags: v1.80-dbperf
2023-02-05
11:47
Minor clean up. There were a couple communication errors in sixtyfivek but they looked likely to be host related. Closed-Leaf check-in: e973b1fb77 user: matt tags: v1.80-cleanup
08:36
wip, close idle db connections check-in: 97a3c4ad11 user: matt tags: v1.80-close-idle-connections
2023-02-04
20:00
Change default number of db's to 10, couple minor fixes. Closed-Leaf check-in: 7b86032d25 user: matt tags: v1.80-dbperformance
2023-02-03
21:51
Reduce zombie cleanup, not clear it helps check-in: c8ec459e79 user: matt tags: v1.80-dbperformance
02:16
Reduce load from get-state-status-and-roll-up-run. check-in: 4e634eb46a user: matt tags: v1.80-dbperformance
2023-02-02
12:54
Use an actual droop check-in: 19861e6399 user: matt tags: v1.80
09:27
Change couple queries to use prepared statements check-in: a2e41e0613 user: matt tags: v1.80

Modified api.scm from [0676a2f9d1] to [f3cc459c57].

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(define api:read-only-queries
  '(get-key-val-pairs
    get-var
    get-keys
    get-key-vals
    test-toplevel-num-items
    get-test-info-by-id

    get-steps-info-by-id
    get-data-info-by-id
    test-get-rundir-from-test-id
    get-count-tests-running-for-testname
    get-count-tests-running
    get-count-tests-running-in-jobgroup
    get-previous-test-run-record







>







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(define api:read-only-queries
  '(get-key-val-pairs
    get-var
    get-keys
    get-key-vals
    test-toplevel-num-items
    get-test-info-by-id
    get-test-state-status-by-id
    get-steps-info-by-id
    get-data-info-by-id
    test-get-rundir-from-test-id
    get-count-tests-running-for-testname
    get-count-tests-running
    get-count-tests-running-in-jobgroup
    get-previous-test-run-record
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    ;; ARCHIVES
    ((test-get-archive-block-info)     (apply db:test-get-archive-block-info dbstruct params))
    
    ;; TESTS
    ((test-toplevel-num-items)         (apply db:test-toplevel-num-items dbstruct params))
    ((get-test-info-by-id)	       (apply db:get-test-info-by-id dbstruct params))

    ((test-get-rundir-from-test-id)    (apply db:test-get-rundir-from-test-id dbstruct params))
    ((get-count-tests-running-for-testname) (apply db:get-count-tests-running-for-testname dbstruct params))
    ((get-count-tests-running)         (apply db:get-count-tests-running dbstruct params))
    ((get-count-tests-running-in-jobgroup) (apply db:get-count-tests-running-in-jobgroup dbstruct params))
    ;; ((delete-test-step-records)        (apply db:delete-test-step-records dbstruct params))
    ;; ((get-previous-test-run-record)    (apply db:get-previous-test-run-record dbstruct params))
    ((get-matching-previous-test-run-records)(apply db:get-matching-previous-test-run-records dbstruct params))







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    ;; ARCHIVES
    ((test-get-archive-block-info)     (apply db:test-get-archive-block-info dbstruct params))
    
    ;; TESTS
    ((test-toplevel-num-items)         (apply db:test-toplevel-num-items dbstruct params))
    ((get-test-info-by-id)	       (apply db:get-test-info-by-id dbstruct params))
    ((get-test-state-status-by-id)     (apply db:get-test-state-status-by-id dbstruct params))
    ((test-get-rundir-from-test-id)    (apply db:test-get-rundir-from-test-id dbstruct params))
    ((get-count-tests-running-for-testname) (apply db:get-count-tests-running-for-testname dbstruct params))
    ((get-count-tests-running)         (apply db:get-count-tests-running dbstruct params))
    ((get-count-tests-running-in-jobgroup) (apply db:get-count-tests-running-in-jobgroup dbstruct params))
    ;; ((delete-test-step-records)        (apply db:delete-test-step-records dbstruct params))
    ;; ((get-previous-test-run-record)    (apply db:get-previous-test-run-record dbstruct params))
    ((get-matching-previous-test-run-records)(apply db:get-matching-previous-test-run-records dbstruct params))
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    ((get-raw-run-stats)               (apply db:get-raw-run-stats dbstruct params))
    ((get-test-times)                  (apply db:get-test-times dbstruct params))

    ;; RUNS
    ((get-run-info)                 (apply db:get-run-info dbstruct params))
    ((get-run-status)               (apply db:get-run-status dbstruct params))
    ((get-run-state)                (apply db:get-run-state dbstruct params))

    ((set-run-status)               (apply db:set-run-status dbstruct params))
    ((set-run-state-status)  			 (apply db:set-run-state-status dbstruct params))
    ((update-tesdata-on-repilcate-db) (apply db:update-tesdata-on-repilcate-db  dbstruct params)) 
    ((get-tests-for-run)            (apply db:get-tests-for-run dbstruct params))
    ((get-tests-for-run-state-status) (apply db:get-tests-for-run-state-status dbstruct params))
    ((get-test-id)                  (apply db:get-test-id dbstruct params))
    ((get-tests-for-run-mindata)    (apply db:get-tests-for-run-mindata dbstruct params))







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    ((get-raw-run-stats)               (apply db:get-raw-run-stats dbstruct params))
    ((get-test-times)                  (apply db:get-test-times dbstruct params))

    ;; RUNS
    ((get-run-info)                 (apply db:get-run-info dbstruct params))
    ((get-run-status)               (apply db:get-run-status dbstruct params))
    ((get-run-state)                (apply db:get-run-state dbstruct params))
    ((get-run-state-status)         (apply db:get-run-state-status dbstruct params))
    ((set-run-status)               (apply db:set-run-status dbstruct params))
    ((set-run-state-status)  			 (apply db:set-run-state-status dbstruct params))
    ((update-tesdata-on-repilcate-db) (apply db:update-tesdata-on-repilcate-db  dbstruct params)) 
    ((get-tests-for-run)            (apply db:get-tests-for-run dbstruct params))
    ((get-tests-for-run-state-status) (apply db:get-tests-for-run-state-status dbstruct params))
    ((get-test-id)                  (apply db:get-test-id dbstruct params))
    ((get-tests-for-run-mindata)    (apply db:get-tests-for-run-mindata dbstruct params))

Modified db.scm from [66cca5d3c4] to [ffd8a763fc].

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				 fname", delta: " (- time1 time2) " seconds, reason: "(cdr do-cp))
	       (db:lock-and-delta-sync no-sync-db dbstruct fname runid (db:get-keys dbstruct) db:initialize-main-db)
	       (hash-table-set! sync-durations (conc fname".db")
				(- (current-milliseconds) start-time)))
	     (debug:print-info 3 *default-log-port* "skipping sync. " file " is up to date")
         )))
     dbfiles)

    (if dbdat (dbfile:add-dbdat dbstruct #f dbdat)))

  #t)

;; options:
;;
;;  'killservers  - kills all servers
;;  'dejunk       - removes junk records
;;  'adj-testids  - move test-ids into correct ranges







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				 fname", delta: " (- time1 time2) " seconds, reason: "(cdr do-cp))
	       (db:lock-and-delta-sync no-sync-db dbstruct fname runid (db:get-keys dbstruct) db:initialize-main-db)
	       (hash-table-set! sync-durations (conc fname".db")
				(- (current-milliseconds) start-time)))
	     (debug:print-info 3 *default-log-port* "skipping sync. " file " is up to date")
         )))
     dbfiles)
    ;; WHY does the dbdat need to be added back?
    (if dbdat (dbfile:add-dbdat dbstruct #f dbdat))
    )
  #t)

;; options:
;;
;;  'killservers  - kills all servers
;;  'dejunk       - removes junk records
;;  'adj-testids  - move test-ids into correct ranges
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     (lambda (subdb)
       (let* ((dbname (db:run-id->dbname run-id))
	      (mtdb   (dbr:subdb-mtdb subdb))
	      (tmpdb  (db:get-subdb dbstruct run-id))
	      (refndb (dbr:subdb-refndb subdb))
	      (newres (db:sync-tables (db:sync-all-tables-list dbstruct (db:get-keys dbstruct)) last-update tmpdb refndb mtdb)))
	 ;; (stack-push! (dbr:subdb-dbstack subdb) tmpdb)

	 (dbfile:add-dbdat dbstruct run-id tmpdb)
	 (set! res (cons newres res))))
     subdbs)
    res))

;;;; run-ids
;;    if #f use *db-local-sync* : or 'local-sync-flags







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     (lambda (subdb)
       (let* ((dbname (db:run-id->dbname run-id))
	      (mtdb   (dbr:subdb-mtdb subdb))
	      (tmpdb  (db:get-subdb dbstruct run-id))
	      (refndb (dbr:subdb-refndb subdb))
	      (newres (db:sync-tables (db:sync-all-tables-list dbstruct (db:get-keys dbstruct)) last-update tmpdb refndb mtdb)))
	 ;; (stack-push! (dbr:subdb-dbstack subdb) tmpdb)
	 ;; BUG: verify this is really needed
	 (dbfile:add-dbdat dbstruct run-id tmpdb)
	 (set! res (cons newres res))))
     subdbs)
    res))

;;;; run-ids
;;    if #f use *db-local-sync* : or 'local-sync-flags
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	 db 
	 (conc
	  "SELECT d.id,d.archive_area_name,disk_path,last_df,last_df_time FROM archive_disks AS d
             INNER JOIN archive_blocks AS b ON d.id=b.archive_disk_id
             WHERE b.id IN (" (string-intersperse (map conc res) ",") ") AND
         last_df > ?;")
	 dneeded))

    (dbfile:add-dbdat dbstruct #f dbdat)
    blocks))
    
;; returns id of the record, register a disk allocated to archiving and record it's last known
;; available space
;;
(define (db:archive-register-disk dbstruct bdisk-name bdisk-path df)







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	 db 
	 (conc
	  "SELECT d.id,d.archive_area_name,disk_path,last_df,last_df_time FROM archive_disks AS d
             INNER JOIN archive_blocks AS b ON d.id=b.archive_disk_id
             WHERE b.id IN (" (string-intersperse (map conc res) ",") ") AND
         last_df > ?;")
	 dneeded))
    ;; BUG: Verfify this is really needed
    (dbfile:add-dbdat dbstruct #f dbdat)
    blocks))
    
;; returns id of the record, register a disk allocated to archiving and record it's last known
;; available space
;;
(define (db:archive-register-disk dbstruct bdisk-name bdisk-path df)
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  (let ((res "n/a"))
    (db:with-db
     dbstruct #f #f
     (lambda (dbdat db)
       (sqlite3:for-each-row 
	(lambda (status)
	  (set! res status))

	db
	"SELECT status FROM runs WHERE id=?;" 
	run-id)
       res))))

(define (db:get-run-state dbstruct run-id)
  (let ((res "n/a"))
    (db:with-db
     dbstruct #f #f
     (lambda (dbdat db)
       (sqlite3:for-each-row 
	(lambda (status)
	  (set! res status))

	db
	"SELECT state FROM runs WHERE id=?;" 














	run-id)
       res))))


;;======================================================================
;; K E Y S
;;======================================================================







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  (let ((res "n/a"))
    (db:with-db
     dbstruct #f #f
     (lambda (dbdat db)
       (sqlite3:for-each-row 
	(lambda (status)
	  (set! res status))
	(db:get-cache-stmth
	 dbdat db
	 "SELECT status FROM runs WHERE id=?;" )
	run-id)
       res))))

(define (db:get-run-state dbstruct run-id)
  (let ((res "n/a"))
    (db:with-db
     dbstruct #f #f
     (lambda (dbdat db)
       (sqlite3:for-each-row 
	(lambda (status)
	  (set! res status))
	(db:get-cache-stmth
	 dbdat db
	 "SELECT state FROM runs WHERE id=?;" )
	run-id)
       res))))

(define (db:get-run-state-status dbstruct run-id)
  (let ((res (cons "n/a" "n/a")))
    (db:with-db
     dbstruct #f #f
     (lambda (dbdat db)
       (sqlite3:for-each-row 
	(lambda (state status)
	  (set! res (cons state status)))
	(db:get-cache-stmth
	 dbdat db
	 "SELECT state,status FROM runs WHERE id=?;" )
	run-id)
       res))))


;;======================================================================
;; K E Y S
;;======================================================================
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  (let* ((run-ids (db:get-all-run-ids mtdb)))
    (for-each 
     (lambda (run-id)
       (let ((testrecs (db:get-all-tests-info-by-run-id mtdb run-id)))
	 (db:prep-megatest.db-adj-test-ids (dbr:dbdat-dbh mtdb) run-id testrecs)))
     run-ids)))

;; Get test data using test_id, run-id is not used
;; 
(define (db:get-test-info-by-id dbstruct run-id test-id)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (dbdat db)
     (let ((res #f))
       (sqlite3:for-each-row ;; attemptnum added to hold pid of top process (not Megatest) controlling a test
	(lambda (id run-id testname state status event-time host cpuload diskfree uname rundir-id item-path run_duration final-logf-id comment short-dir-id attemptnum archived last-update)
	  ;;                0    1       2      3      4        5       6      7        8     9     10      11          12          13           14         15          16
	  (set! res (vector id run-id testname state status event-time host cpuload diskfree uname rundir-id item-path run_duration final-logf-id comment short-dir-id attemptnum archived last-update)))
	(db:get-cache-stmth dbdat db
			    (conc "SELECT " db:test-record-qry-selector " FROM tests WHERE id=?;"))
	test-id)
       res))))

















;; Use db:test-get* to access
;; Get test data using test_ids. NB// Only works within a single run!!
;;
(define (db:get-test-info-by-ids dbstruct run-id test-ids)
  (db:with-db
   dbstruct







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  (let* ((run-ids (db:get-all-run-ids mtdb)))
    (for-each 
     (lambda (run-id)
       (let ((testrecs (db:get-all-tests-info-by-run-id mtdb run-id)))
	 (db:prep-megatest.db-adj-test-ids (dbr:dbdat-dbh mtdb) run-id testrecs)))
     run-ids)))

;; Get test data using test_id
;; 
(define (db:get-test-info-by-id dbstruct run-id test-id)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (dbdat db)
     (let ((res #f))
       (sqlite3:for-each-row ;; attemptnum added to hold pid of top process (not Megatest) controlling a test
	(lambda (id run-id testname state status event-time host cpuload diskfree uname rundir-id item-path run_duration final-logf-id comment short-dir-id attemptnum archived last-update)
	  ;;                0    1       2      3      4        5       6      7        8     9     10      11          12          13           14         15          16
	  (set! res (vector id run-id testname state status event-time host cpuload diskfree uname rundir-id item-path run_duration final-logf-id comment short-dir-id attemptnum archived last-update)))
	(db:get-cache-stmth dbdat db
			    (conc "SELECT " db:test-record-qry-selector " FROM tests WHERE id=?;"))
	test-id)
       res))))

;; Get test state, status using test_id
;; 
(define (db:get-test-state-status-by-id dbstruct run-id test-id)
  (db:with-db
   dbstruct
   run-id
   #f
   (lambda (dbdat db)
     (let ((res (cons #f #f)))
       (sqlite3:for-each-row ;; attemptnum added to hold pid of top process (not Megatest) controlling a test
	(lambda (state status)
	  (cons state status))
	(db:get-cache-stmth dbdat db "SELECT state,status FROM tests WHERE id=?;")
	test-id)
       res))))

;; Use db:test-get* to access
;; Get test data using test_ids. NB// Only works within a single run!!
;;
(define (db:get-test-info-by-ids dbstruct run-id test-ids)
  (db:with-db
   dbstruct

Modified dbfile.scm from [25f8271ef2] to [2ad26c948f].

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	posix typed-records srfi-18 srfi-1
	srfi-69
	stack
	files
	ports

	commonmod

	)

;; (import debugprint)



;;======================================================================
;;  R E C O R D S
;;======================================================================

;; a single Megatest area with it's multiple dbs is
;; managed in a dbstruct







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	posix typed-records srfi-18 srfi-1
	srfi-69
	stack
	files
	ports

	commonmod
	;; debugprint
	)


(define keep-age-param (make-parameter 10)) ;; qif file age, if over move to attic
(define num-run-dbs (make-parameter 10))     ;; number of db's in .megatest

;;======================================================================
;;  R E C O R D S
;;======================================================================

;; a single Megatest area with it's multiple dbs is
;; managed in a dbstruct
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;;   (abandoned the idea of num/db)
;; 
(define (dbfile:run-id->path apath run-id)
  (conc apath"/"(dbfile:run-id->dbname run-id)))

(define (db:dbname->path apath dbname)
  (conc apath"/"dbname))








;; POTENTIAL BUG: this implementation could produce a db file if run-id is neither #f or a number
(define (dbfile:run-id->dbname run-id)
  (cond
   ((number? run-id) (conc ".megatest/" (modulo run-id 100) ".db"))
   ((not run-id)     (conc ".megatest/main.db"))
   (else             run-id)))

;; Make the dbstruct, setup up auxillary db's and call for main db at least once
;;
;; called in http-transport and replicated in rmt.scm for *local* access. 
;;
(define (dbfile:setup do-sync areapath tmppath)
  (cond







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;;   (abandoned the idea of num/db)
;; 
(define (dbfile:run-id->path apath run-id)
  (conc apath"/"(dbfile:run-id->dbname run-id)))

(define (db:dbname->path apath dbname)
  (conc apath"/"dbname))

(define (dbfile:run-id->dbnum run-id)
  (cond
   ((number? run-id)
    (modulo run-id (num-run-dbs)))
   ((not run-id) "main")   ;; 0 or main?
   (else run-id)))

;; POTENTIAL BUG: this implementation could produce a db file if run-id is neither #f or a number
(define (dbfile:run-id->dbname run-id)


  (conc ".megatest/"(dbfile:run-id->dbnum run-id)".db"))


;; Make the dbstruct, setup up auxillary db's and call for main db at least once
;;
;; called in http-transport and replicated in rmt.scm for *local* access. 
;;
(define (dbfile:setup do-sync areapath tmppath)
  (cond
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    (if (stack-empty? (dbr:subdb-dbstack subdb))
	#f
	(begin
	  (stack-pop! (dbr:subdb-dbstack subdb))))))

;; return a previously opened db handle to the stack of available handles
(define (dbfile:add-dbdat dbstruct run-id dbdat)
  (let* ((subdb (dbfile:get-subdb dbstruct run-id)))
    (stack-push! (dbr:subdb-dbstack subdb) dbdat)




    dbdat))

;; set up a subdb
;;
(define (dbfile:init-subdb dbstruct run-id init-proc)
  (let* ((dbname    (dbfile:run-id->dbname run-id))
	 (areapath  (dbr:dbstruct-areapath dbstruct))







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    (if (stack-empty? (dbr:subdb-dbstack subdb))
	#f
	(begin
	  (stack-pop! (dbr:subdb-dbstack subdb))))))

;; return a previously opened db handle to the stack of available handles
(define (dbfile:add-dbdat dbstruct run-id dbdat)
  (let* ((subdb (dbfile:get-subdb dbstruct run-id))
	 (dbstk (dbr:subdb-dbstack subdb))
	 (count (stack-count dbstk)))
    (if (> count 15)
	(dbfile:print-err "WARNING: stack for "run-id".db is "count"."))
    (stack-push! dbstk dbdat)
    dbdat))

;; set up a subdb
;;
(define (dbfile:init-subdb dbstruct run-id init-proc)
  (let* ((dbname    (dbfile:run-id->dbname run-id))
	 (areapath  (dbr:dbstruct-areapath dbstruct))
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	     (append (list todb) slave-dbs)
           )
          )
        )
	tbls)
       (let* ((runtime      (- (current-milliseconds) start-time))
	      (should-print (or ;; (debug:debug-mode 12)
				(common:low-noise-print 120 "db sync" (> runtime 500))))) ;; low and high sync times treated as separate.

	 (for-each 
	  (lambda (dat)
	    (let ((tblname (car dat))
		  (count   (cdr dat)))
	      (set! tot-count (+ tot-count count))
              )) 
	  (sort (hash-table->alist numrecs)(lambda (a b)(> (cdr a)(cdr b))))))







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	     (append (list todb) slave-dbs)
           )
          )
        )
	tbls)
       (let* ((runtime      (- (current-milliseconds) start-time))
	      (should-print (or ;; (debug:debug-mode 12)
			     (common:low-noise-print 120 "db sync")
			     (> runtime 500)))) ;; low and high sync times treated as separate.
	 (for-each 
	  (lambda (dat)
	    (let ((tblname (car dat))
		  (count   (cdr dat)))
	      (set! tot-count (+ tot-count count))
              )) 
	  (sort (hash-table->alist numrecs)(lambda (a b)(> (cdr a)(cdr b))))))
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  (let* ((dbdat (dbfile:open-db dbstruct run-id dbinit)))
    (set! *db-write-access* (not (dbr:dbdat-read-only dbdat)))
    ;; (mutex-unlock! *db-open-mutex*)
    dbdat))

(define dbfile:db-init-proc (make-parameter #f))





(define keep-age-param (make-parameter 10))

(define qif-slope      (make-parameter 100))

;; create a dropping near the db file in a qif dir
;; use count of such files to gate queries (queries in flight)
;;
(define (dbfile:wait-for-qif fname run-id params)
  (let* ((thedir  (pathname-directory fname))

	 (destdir (conc thedir"/qif-"run-id))
	 (uniqn   (get-area-path-signature (conc (or run-id "main") params)))
	 (crumbn  (conc destdir"/"(current-seconds)"-"uniqn"."(current-process-id))))
    (if (not (file-exists? destdir))(create-directory (conc destdir"/attic") #t))
    (let loop ((count 0))
      (let* ((currlks (glob (conc destdir"/*")))
	     (numqrys (length currlks))
	     (delayval (cond ;; do a droopish curve
			((> numqrys 50)
			 (if (> numqrys 50)
			     (for-each
			      (lambda (f)
				(if (> (- (current-seconds)
					  (handle-exceptions
					      exn
					    (current-seconds) ;; file is likely gone, just fake out
					    (file-modification-time f)))
				       (keep-age-param))
				    (let* ((basedir (pathname-directory f))
					   (filen   (pathname-file f))
					   (destf   (conc basedir"/attic/"filen)))
				      (dbfile:print-err "Moving qif file "f" older than 10 seconds to "destf)
				      ;; (delete-file* f)
				      (handle-exceptions
					  exn
					#t
					(file-move f destf #t)))))
			      currlks))
			 1) ;; 50 and above => 1
			((> numqrys 10) (* numqrys (/ 1 (qif-slope)))) ;; slope of 1/100

			;; ((> numqrys 30) 0.50)
			;; ((> numqrys 25) 0.20)
			;; ((> numqrys 20) 0.10)
			;; ((> numqrys 15) 0.05)
			;; ((> numqrys 10) 0.01)
			(else #f))))
	(if (and delayval
		 (< count 5))
	    (begin
	      (thread-sleep! delayval)
	      (loop (+ count 1))))))
    (with-output-to-file crumbn







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  (let* ((dbdat (dbfile:open-db dbstruct run-id dbinit)))
    (set! *db-write-access* (not (dbr:dbdat-read-only dbdat)))
    ;; (mutex-unlock! *db-open-mutex*)
    dbdat))

(define dbfile:db-init-proc (make-parameter #f))

;; in xmaxima this gives a curve close to what I want:
;;    plot2d ((exp(x/1.2)-1)/300, [x, 0, 10])$
;;    plot2d ((exp(x/1.5)-1)/40, [x, 0, 10])$
;;    plot2d ((exp(x/5)-1)/40, [x, 0, 20])$
(define (dbfile:droop x)
  (/ (- (exp (/ x 5)) 1) 40))
  ;; (* numqrys (/ 1 (qif-slope))))

;; create a dropping near the db file in a qif dir
;; use count of such files to gate queries (queries in flight)
;;
(define (dbfile:wait-for-qif fname run-id params)
  (let* ((thedir  (pathname-directory fname))
	 (dbnum   (dbfile:run-id->dbnum run-id))
	 (destdir (conc thedir"/qif-"dbnum))
	 (uniqn   (get-area-path-signature (conc dbnum params)))
	 (crumbn  (conc destdir"/"(current-seconds)"-"uniqn"."(current-process-id))))
    (if (not (file-exists? destdir))(create-directory (conc destdir"/attic") #t))
    (let loop ((count 0))
      (let* ((currlks (glob (conc destdir"/*")))
	     (numqrys (length currlks))
	     (delayval (cond ;; do a droopish curve
			((> numqrys 25)

			 (for-each
			  (lambda (f)
			    (if (> (- (current-seconds)
				      (handle-exceptions
					  exn
					(current-seconds) ;; file is likely gone, just fake out
					(file-modification-time f)))
				   (keep-age-param))
				(let* ((basedir (pathname-directory f))
				       (filen   (pathname-file f))
				       (destf   (conc basedir"/attic/"filen)))
				  (dbfile:print-err "Moving qif file "f" older than 10 seconds to "destf)
				  ;; (delete-file* f)
				  (handle-exceptions
				      exn
				    #t
				    (file-move f destf #t)))))
			  currlks)


			 4)
			((> numqrys 0)  (dbfile:droop numqrys)) ;; slope of 1/100




			(else #f))))
	(if (and delayval
		 (< count 5))
	    (begin
	      (thread-sleep! delayval)
	      (loop (+ count 1))))))
    (with-output-to-file crumbn

Modified launch.scm from [34af87f4bd] to [a705b2e0b2].

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(import (prefix base64 base64:))
(import (prefix sqlite3 sqlite3:))

(declare (unit launch))
(declare (uses subrun))
(declare (uses common))

(declare (uses configf))
(declare (uses db))
(declare (uses ezsteps))

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "megatest-fossil-hash.scm")



;;======================================================================
;; ezsteps
;;======================================================================

;; ezsteps were going to be coded as
;; stepname[,predstep1,predstep2 ...] [{VAR1=first,second,third}] command to execute







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(import (prefix base64 base64:))
(import (prefix sqlite3 sqlite3:))

(declare (unit launch))
(declare (uses subrun))
(declare (uses common))
(declare (uses commonmod))
(declare (uses configf))
(declare (uses db))
(declare (uses ezsteps))

(include "common_records.scm")
(include "key_records.scm")
(include "db_records.scm")
(include "megatest-fossil-hash.scm")

(import commonmod)

;;======================================================================
;; ezsteps
;;======================================================================

;; ezsteps were going to be coded as
;; stepname[,predstep1,predstep2 ...] [{VAR1=first,second,third}] command to execute
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			(debug:print 0 *default-log-port* "WARNING: a prior step failed, stopping at " ezstep)))
                        (file-close status-file)
                        )

                        ))))))

(define (launch:monitor-job run-id test-id item-path fullrunscript ezsteps test-name tconfigreg exit-info m work-area runtlim misc-flags)
  (let* ((update-period (string->number (or (configf:lookup *configdat* "setup" "test-stats-update-period") "30")))
         (start-seconds (current-seconds))
	 (calc-minutes  (lambda ()
			  (inexact->exact 
			   (round 
			    (- 
			     (current-seconds) 
			     start-seconds)))))







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			(debug:print 0 *default-log-port* "WARNING: a prior step failed, stopping at " ezstep)))
                        (file-close status-file)
                        )

                        ))))))

(define (launch:monitor-job run-id test-id item-path fullrunscript ezsteps test-name tconfigreg exit-info m work-area runtlim misc-flags)
  (let* ((update-period (string->number (or (configf:lookup *configdat* "setup" "test-stats-update-period") "60")))
         (start-seconds (current-seconds))
	 (calc-minutes  (lambda ()
			  (inexact->exact 
			   (round 
			    (- 
			     (current-seconds) 
			     start-seconds)))))
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                                   (delta (abs (- df disk-free))))
                              (if (and (> df 0)
                                       (> (/ delta df) 0.1)) ;; (> delta 200) ;; ignore changes under 200 Meg
                                  df
                                  #f)))
             (do-sync       (or new-cpu-load new-disk-free over-time))

             (test-info   (rmt:get-test-info-by-id run-id test-id))
             (state       (db:test-get-state test-info))
             (status      (db:test-get-status test-info))
             (kill-reason  "no kill reason specified")
             (kill-job?    #f))
        ;; (common:telemetry-log "zombie" (conc "launch:monitor-job - decision time encountered at "(current-seconds)" with last-sync="last-sync" do-sync="do-sync" over-time="over-time" update-period="update-period))
        (cond
         ((test-get-kill-request run-id test-id)
          (set! kill-reason "KILLING TEST since received kill request (KILLREQ)")
          (set! kill-job? #t))
         ((and runtlim (> (- (current-seconds) start-seconds) runtlim))
          (set! kill-reason (conc "KILLING TEST DUE TO TIME LIMIT EXCEEDED! Runtime=" (- (current-seconds) start-seconds) " seconds, limit=" runtlim))
          (set! kill-job? #t))
         ((equal? status "DEAD")
          (tests:update-central-meta-info run-id test-id new-cpu-load new-disk-free (calc-minutes) #f #f)
          (rmt:set-state-status-and-roll-up-items run-id test-id 'foo "RUNNING" "n/a" "was marked dead; really still running.")
          ;;(set! kill-reason "KILLING TEST because it was marked as DEAD by launch:handle-zombie-tests (might indicate really overloaded server or else overzealous setup.deadtime)") ;; MARK RUNNING
          (set! kill-job? #f)))

        (debug:print 4 *default-log-port* "cpu: " new-cpu-load " disk: " new-disk-free " last-sync: " last-sync " do-sync: " do-sync)

        (launch:handle-zombie-tests run-id)
        (when do-sync
          ;;(with-output-to-file (conc (getenv "MT_TEST_RUN_DIR") "/last-loadinfo.log" #:append)
          ;;  (lambda () (pp (list (current-seconds) new-cpu-load new-disk-free (calc-minutes)))))
          ;; (common:telemetry-log "zombie" (conc  "launch:monitor-job - dosync started at "(current-seconds)))
          (tests:update-central-meta-info run-id test-id new-cpu-load new-disk-free (calc-minutes) #f #f)
          ;; (common:telemetry-log "zombie" (conc "launch:monitor-job - dosync finished at "(current-seconds)))
	  )







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                                   (delta (abs (- df disk-free))))
                              (if (and (> df 0)
                                       (> (/ delta df) 0.1)) ;; (> delta 200) ;; ignore changes under 200 Meg
                                  df
                                  #f)))
             (do-sync       (or new-cpu-load new-disk-free over-time))

             (test-info   (rmt:get-test-state-status-by-id run-id test-id))
             (state       (car test-info));; (db:test-get-state test-info))
             (status      (cdr test-info));; (db:test-get-status test-info))
             (kill-reason  "no kill reason specified")
             (kill-job?    #f))
        ;; (common:telemetry-log "zombie" (conc "launch:monitor-job - decision time encountered at "(current-seconds)" with last-sync="last-sync" do-sync="do-sync" over-time="over-time" update-period="update-period))
        (cond
         ((test-get-kill-request run-id test-id)
          (set! kill-reason "KILLING TEST since received kill request (KILLREQ)")
          (set! kill-job? #t))
         ((and runtlim (> (- (current-seconds) start-seconds) runtlim))
          (set! kill-reason (conc "KILLING TEST DUE TO TIME LIMIT EXCEEDED! Runtime=" (- (current-seconds) start-seconds) " seconds, limit=" runtlim))
          (set! kill-job? #t))
         ((equal? status "DEAD")
          (tests:update-central-meta-info run-id test-id new-cpu-load new-disk-free (calc-minutes) #f #f)
          (rmt:set-state-status-and-roll-up-items run-id test-id 'foo "RUNNING" "n/a" "was marked dead; really still running.")
          ;;(set! kill-reason "KILLING TEST because it was marked as DEAD by launch:handle-zombie-tests (might indicate really overloaded server or else overzealous setup.deadtime)") ;; MARK RUNNING
          (set! kill-job? #f)))

        (debug:print 4 *default-log-port* "cpu: " new-cpu-load " disk: " new-disk-free " last-sync: " last-sync " do-sync: " do-sync)
        (if (common:low-noise-print 600 "run zombie") ;; every five minutes is plenty
	    (launch:handle-zombie-tests run-id))
        (when do-sync
          ;;(with-output-to-file (conc (getenv "MT_TEST_RUN_DIR") "/last-loadinfo.log" #:append)
          ;;  (lambda () (pp (list (current-seconds) new-cpu-load new-disk-free (calc-minutes)))))
          ;; (common:telemetry-log "zombie" (conc  "launch:monitor-job - dosync started at "(current-seconds)))
          (tests:update-central-meta-info run-id test-id new-cpu-load new-disk-free (calc-minutes) #f #f)
          ;; (common:telemetry-log "zombie" (conc "launch:monitor-job - dosync finished at "(current-seconds)))
	  )
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;; if dead safe to mark the test as killed in the db
;; State/status table
;; new
;; 100% COMPLETED/ (PASS,FAIL,ABORT etc.) ==> COMPLETED / X where X is same as itemized rollup
;; > 3 RUNNING with not test_dead do nothing (run should already be RUNNING/ na
;; > 0 RUNNING and test_dead then send KILLREQ ==> COMPLETED
;; 0 RUNNING ==> this is actually the first condition, should not get here

(define (launch:end-of-run-check run-id )
    (let* ((not-completed-cnt (rmt:get-not-completed-cnt run-id))  
           (running-cnt (rmt:get-count-tests-running-for-run-id run-id))
           (all-test-launched (rmt:get-var (conc "lunch-complete-" run-id)))

           (current-state (rmt:get-run-state run-id))
           (current-status (rmt:get-run-status run-id)))
     ;;get-vars run-id to query metadata table to check if all completed. if all-test-launched = yes then only not-completed-cnt = 0 means everyting is completed if no entry found in the table do nothing 
     (debug:print 0 *default-log-port* "Running test cnt :" running-cnt)                      






     (rmt:set-state-status-and-roll-up-run  run-id current-state current-status)

     (runs:update-junit-test-reporter-xml run-id) 
     (cond 
       ((and all-test-launched (eq? not-completed-cnt 0) (equal? all-test-launched "yes" ))
                (if (and (equal? (rmt:get-var (conc "end-of-run-" run-id)) "no") (common:simple-lock (conc "endOfRun" run-id)))
                (begin
           	(debug:print 4 *default-log-port* "look for  post hook. currseconds: " (current-seconds) " EOR " (rmt:get-var (conc "end-of-run-" run-id)))
                (debug:print 0 *default-log-port* "End of Run Detected.")







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;; if dead safe to mark the test as killed in the db
;; State/status table
;; new
;; 100% COMPLETED/ (PASS,FAIL,ABORT etc.) ==> COMPLETED / X where X is same as itemized rollup
;; > 3 RUNNING with not test_dead do nothing (run should already be RUNNING/ na
;; > 0 RUNNING and test_dead then send KILLREQ ==> COMPLETED
;; 0 RUNNING ==> this is actually the first condition, should not get here
(define *last-rollup* 0)
(define (launch:end-of-run-check run-id )
    (let* ((not-completed-cnt (rmt:get-not-completed-cnt run-id))  
           (running-cnt       (rmt:get-count-tests-running-for-run-id run-id))
           (all-test-launched (rmt:get-var (conc "lunch-complete-" run-id)))
	   (current-state-status (rmt:get-run-state-status run-id))
           (current-state        (car current-state-status))  ;; (rmt:get-run-state run-id))
           (current-status       (cdr current-state-status))) ;; (rmt:get-run-status run-id)))
      ;;get-vars run-id to query metadata table to check if all completed. if all-test-launched = yes then only not-completed-cnt = 0 means everyting is completed if no entry found in the table do nothing 
      (debug:print 0 *default-log-port* "Running test cnt :" running-cnt)
      ;;
      ;; TODO: add a final rollup when run is done (if there isn't one already)
      ;;
      (if (or (< running-cnt 3)                              ;; have only few running
	      (> (- (current-seconds) *last-rollup*) 10))    ;; or haven't rolled up in past ten seconds
	  (begin
	    (rmt:set-state-status-and-roll-up-run  run-id current-state current-status)
	    (set! *last-rollup* (current-seconds))))
     (runs:update-junit-test-reporter-xml run-id) 
     (cond 
       ((and all-test-launched (eq? not-completed-cnt 0) (equal? all-test-launched "yes" ))
                (if (and (equal? (rmt:get-var (conc "end-of-run-" run-id)) "no") (common:simple-lock (conc "endOfRun" run-id)))
                (begin
           	(debug:print 4 *default-log-port* "look for  post hook. currseconds: " (current-seconds) " EOR " (rmt:get-var (conc "end-of-run-" run-id)))
                (debug:print 0 *default-log-port* "End of Run Detected.")

Modified rmt.scm from [771d7d8ec4] to [22216f2b37].

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  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:general-call 'register-test run-id run-id test-name item-path))

(define (rmt:get-test-id run-id testname item-path)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-test-id run-id (list run-id testname item-path)))

;; run-id is NOT used
;;
(define (rmt:get-test-info-by-id run-id test-id)
  (if (number? test-id)
      (rmt:send-receive 'get-test-info-by-id run-id (list run-id test-id))
      (begin
	(debug:print 0 *default-log-port* "WARNING: Bad data handed to rmt:get-test-info-by-id run-id=" run-id ", test-id=" test-id)
	(print-call-chain (current-error-port))
	#f)))




(define (rmt:test-get-rundir-from-test-id run-id test-id)
  (rmt:send-receive 'test-get-rundir-from-test-id run-id (list run-id test-id)))

(define (rmt:open-test-db-by-test-id run-id test-id #!key (work-area #f))
  (assert (number? run-id) "FATAL: Run id required.")
  (let* ((test-path (if (string? work-area)
			work-area







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  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:general-call 'register-test run-id run-id test-name item-path))

(define (rmt:get-test-id run-id testname item-path)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-test-id run-id (list run-id testname item-path)))



(define (rmt:get-test-info-by-id run-id test-id)
  (if (number? test-id)
      (rmt:send-receive 'get-test-info-by-id run-id (list run-id test-id))
      (begin
	(debug:print 0 *default-log-port* "WARNING: Bad data handed to rmt:get-test-info-by-id run-id=" run-id ", test-id=" test-id)
	(print-call-chain (current-error-port))
	#f)))

(define (rmt:get-test-state-status-by-id run-id test-id)
  (rmt:send-receive 'get-test-state-status-by-id run-id (list run-id test-id)))

(define (rmt:test-get-rundir-from-test-id run-id test-id)
  (rmt:send-receive 'test-get-rundir-from-test-id run-id (list run-id test-id)))

(define (rmt:open-test-db-by-test-id run-id test-id #!key (work-area #f))
  (assert (number? run-id) "FATAL: Run id required.")
  (let* ((test-path (if (string? work-area)
			work-area
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  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-run-status #f (list run-id)))

(define (rmt:get-run-state run-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-run-state #f (list run-id)))





(define (rmt:set-run-status run-id run-status #!key (msg #f))
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'set-run-status #f (list run-id run-status msg)))

(define (rmt:set-run-state-status run-id state status )
  (assert (number? run-id) "FATAL: Run id required.")







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  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-run-status #f (list run-id)))

(define (rmt:get-run-state run-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-run-state #f (list run-id)))

(define (rmt:get-run-state-status run-id)
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'get-run-state-status #f (list run-id)))

(define (rmt:set-run-status run-id run-status #!key (msg #f))
  (assert (number? run-id) "FATAL: Run id required.")
  (rmt:send-receive 'set-run-status #f (list run-id run-status msg)))

(define (rmt:set-run-state-status run-id state status )
  (assert (number? run-id) "FATAL: Run id required.")

Modified runs.scm from [dd48ee309d] to [e0e242ce63].

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                                   (my-item-path (item-list->path my-itemdat))

                                   (newtestname (db:test-make-full-name hed my-item-path)))    ;; test names are unique on testname/item-path
                              (tests:testqueue-set-items!     new-test-record #f)
                              (tests:testqueue-set-itemdat!   new-test-record my-itemdat)
                              (tests:testqueue-set-item_path! new-test-record my-item-path)
                              (hash-table-set! test-records newtestname new-test-record)

                              (set! tal (append tal (list newtestname)))))  ;; since these are itemized create new test names testname/itempath
                          items-in-testpatt)))
          
          

	  ;; At this point we have possibly added items to tal but all must be handed off to 
	  ;; INNER COND logic. I think loop without rotating the queue 
	  ;; (loop hed tal reg reruns))







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                                   (my-item-path (item-list->path my-itemdat))

                                   (newtestname (db:test-make-full-name hed my-item-path)))    ;; test names are unique on testname/item-path
                              (tests:testqueue-set-items!     new-test-record #f)
                              (tests:testqueue-set-itemdat!   new-test-record my-itemdat)
                              (tests:testqueue-set-item_path! new-test-record my-item-path)
                              (hash-table-set! test-records newtestname new-test-record)
			      ;; BUG: This next line sucks up a lot of horsepower
			      (set! tal (append tal (list newtestname)))))  ;; since these are itemized create new test names testname/itempath
                          items-in-testpatt)))
          
          

	  ;; At this point we have possibly added items to tal but all must be handed off to 
	  ;; INNER COND logic. I think loop without rotating the queue 
	  ;; (loop hed tal reg reruns))

Modified tests.scm from [5c2006972a] to [b17b9fa8b7].

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;;======================================================================
;; test steps
;;======================================================================

;; teststep-set-status! used to be here

(define (test-get-kill-request run-id test-id) ;; run-id test-name itemdat)
  (let* ((testdat   (rmt:get-test-info-by-id run-id test-id)))
    (and testdat
	 (equal? (test:get-state testdat) "KILLREQ"))))

(define (test:tdb-get-rundat-count tdb)
  (if tdb
      (let ((res 0))
	(sqlite3:for-each-row
	 (lambda (count)
	   (set! res count))







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;;======================================================================
;; test steps
;;======================================================================

;; teststep-set-status! used to be here

(define (test-get-kill-request run-id test-id) ;; run-id test-name itemdat)
  (let* ((testdat   (rmt:get-test-state-status-by-id run-id test-id)))
    (and testdat
	 (equal? (car testdat) "KILLREQ"))))

(define (test:tdb-get-rundat-count tdb)
  (if tdb
      (let ((res 0))
	(sqlite3:for-each-row
	 (lambda (count)
	   (set! res count))