Megatest

Check-in [aa5b5f0d4b]
Login
☰Home Timeline Files Branches Tags Tickets Wiki Login
Overview
Comment:enhanced common:get-least-loaded-host to better distribute work
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | v1.63
Files: files | file ages | folders
SHA1: aa5b5f0d4b70b37d99b11e88239ed9ee9f89cd50
User & Date: bjbarcla on 2016-12-15 19:33:48
Other Links: branch diff | manifest | tags
Context
2016-12-16
13:08
Fixed two bugs in getting and using cpuload check-in: 473da90c19 user: mrwellan tags: v1.63
2016-12-15
19:33
enhanced common:get-least-loaded-host to better distribute work check-in: aa5b5f0d4b user: bjbarcla tags: v1.63
12:01
fixed bug where server start storm appears in envqa check-in: c16914fba9 user: bjbarcla tags: v1.63
Changes
Hide Diffs Side-by-Side Diffs Ignore Whitespace Patch

Modified api.scm from [fe7a2f21be] to [97e3840c02].

︙
237
238
239
240
241
242
243

244
245
246
247
248
249
250

237
238
239
240
241
242
243
244
245
246
247
248
249
250
251








+








	    ((get-steps-data)               (apply db:get-steps-data dbstruct params))
	    ((get-steps-for-test)           (apply db:get-steps-for-test dbstruct params))

	    ;; TEST DATA
	    ((read-test-data)               (apply db:read-test-data dbstruct params))

	    ;; MISC
            ((get-latest-host-load)         (apply db:get-latest-host-load dbstruct params))
	    ((have-incompletes?)            (apply db:have-incompletes? dbstruct params))
	    ((login)                        (apply db:login dbstruct params))
	    ((general-call)                 (let ((stmtname   (car params))
						  (run-id     (cadr params))
						  (realparams (cddr params)))
					      (db:with-db dbstruct run-id #t ;; these are all for modifying the db
							  (lambda (db)
︙

Modified common.scm from [7404179285] to [24157bbd1e].

︙
1141
1142
1143
1144
1145
1146
1147


1148






























1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169








1170
1171
1172
1173



1174
1175
1176
1177
1178
1179
1180
1181






























1182
1183
1184
1185
1186
1187
1188






1189
1190
1191
1192
1193
1194
1195

1141
1142
1143
1144
1145
1146
1147
1148
1149

1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182


















1183
1184
1185
1186
1187
1188
1189
1190




1191
1192
1193








1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223







1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236








+
+
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+



-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
+
+
+
+
+
+
+
-
-
-
-
+
+
+
-
-
-
-
-
-
-
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
-
-
-
-
-
-
-
+
+
+
+
+
+









(define (common:unix-ping hostname)
  (let ((res (system (conc "ping -c 1 " hostname " > /dev/null"))))
    (eq? res 0)))

;; ideally put all this info into the db, no need to preserve it across moving homehost
;;
;; return list of
;;  ( reachable? cpuload update-time )
(define (common:get-least-loaded-host hosts-raw)
(define (common:get-host-info hostname)
  (let* ((loadinfo (rmt:get-latest-host-load hostname))
         (load (car loadinfo))
         (load-sample-time (cdr loadinfo))
         (load-sample-age (- (current-seconds) load-sample-time))
         (loadinfo-timeout-seconds 20)
         (host-last-update-timeout-seconds 10)
         (host-rec (hash-table-ref/default *host-loads* hostname #f))
         )
    (cond
     ((< load-sample-age loadinfo-timeout-seconds)
      ;;(print "BB> chr - 1")
      (list #t
            load-sample-time
            load))
     ((and host-rec
           (< (current-seconds) (+ (host-last-update host-rec) host-last-update-timeout-seconds)))
      ;;(print "BB> chr - 2")
      (list #t
            (host-last-update host-rec)
            (host-last-cpuload host-rec )))
     ((common:unix-ping hostname)
      ;;(print "BB> chr - 3 host-rec="host-rec" lu="(if host-rec (- (current-seconds) (host-last-update host-rec)) "None"))
      (list #t
            (current-seconds)
            (alist-ref 'adj-core-load (common:get-normalized-cpu-load hostname))))
     (else
      (list #f 0 -1)))))
    
(define (common:update-host-loads-table hosts-raw)
  (let* ((hosts (filter (lambda (x)
                          (string-match (regexp "^\\S+$") x))
                        hosts-raw)))
    (if (null? hosts)
        #f
        ;;
        ;; stategy:
        ;;    sort by last-used and normalized-load
        ;;    if last-updated > 15 seconds then re-update
        ;;    take the host with the lowest load with the lowest last-used (i.e. not used for longest time)
        ;;
        (let ((best-host #f)
              (curr-time (current-seconds)))
          (for-each
           (lambda (hostname)
             (let* ((rec       (let ((h (hash-table-ref/default *host-loads* hostname #f)))
                                 (if h
                                     h
                                     (let ((h (make-host)))
                                       (hash-table-set! *host-loads* hostname h)
                                       h))))
    (for-each
     (lambda (hostname)
       (let* ((rec       (let ((h (hash-table-ref/default *host-loads* hostname #f)))
                          (if h
                              h
                              (let ((h (make-host)))
                                (hash-table-set! *host-loads* hostname h)
                                h))))
                    ;; if host hasn't been pinged in 15 sec update it's data
                    (ping-good (if (< (- curr-time (host-last-update rec)) 15)
                                   (host-reachable rec)
                                   (or (host-reachable rec)
              (host-info         (common:get-host-info hostname))
              (is-reachable      (car host-info))
              (last-reached-time (cadr host-info))
                                       (begin
                                         (host-reachable-set! rec (common:unix-ping hostname))
                                         (host-last-update-set! rec curr-time)
                                         (host-last-cpuload-set! rec (common:get-normalized-cpu-load hostname))
                                         (host-reachable rec))))))
               (cond
                ((not best-host)
                 (set! best-host hostname))
              (load              (caddr host-info)))
         (host-reachable-set!    rec is-reachable)
         (host-last-update-set!  rec last-reached-time)
         (host-last-cpuload-set! rec load)))
     hosts)))

(define (common:get-least-loaded-host hosts-raw)
  (let* ((hosts (filter (lambda (x)
                          (string-match (regexp "^\\S+$") x))
                        hosts-raw))
         (best-host #f)
         (best-load 99999)
         (curr-time (current-seconds)))
    (common:update-host-loads-table hosts)
    (for-each
     (lambda (hostname)
       (let* ((rec
               (let ((h (hash-table-ref/default *host-loads* hostname #f)))
                 (if h
                     h
                     (let ((h (make-host)))
                       (hash-table-set! *host-loads* hostname h)
                       h))))
              (reachable (host-reachable rec))
              (load      (host-last-cpuload   rec)))
         (cond
          ((not reachable) #f)
          ((< (+ load (/ (random 250) 1000))         ;; add a random factor to keep from getting in a rut
              (+ best-load (/ (random 250) 1000))  )
           (set! best-load load)
                ((and ping-good
                      (< (alist-ref 'adj-core-load (host-last-cpuload rec))
                         (alist-ref 'adj-core-load
                                    (host-last-cpuload (hash-table-ref *host-loads* best-host)))))
                 (set! best-host hostname)))))
           hosts)
          best-host))))
           (set! best-host hostname)))))
     hosts)
    best-host))




(define (common:wait-for-cpuload maxload numcpus waitdelay #!key (count 1000) (msg #f)(remote-host #f))
  (let* ((loadavg (common:get-cpu-load remote-host))
	 (first   (car loadavg))
	 (next    (cadr loadavg))
	 (adjload (* maxload numcpus))
	 (loadjmp (- first next)))
︙

Modified db.scm from [f61ce7e6de] to [eba0b31003].

︙
3474
3475
3476
3477
3478
3479
3480



















3481
3482
3483
3484
3485
3486
3487

3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
3504
3505
3506








+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+








    (sqlite3:for-each-row
     (lambda (state status count)
       (set! res (cons (vector state status count) res)))
     db
     "SELECT state,status,count(state) FROM tests WHERE run_id=? AND testname=? AND item_path='' GROUP BY state,status;"
     run-id testname)
    res))


(define (db:get-latest-host-load dbstruct raw-hostname)
  (let* ((hostname (string-substitute "\\..*$" "" raw-hostname))
        (res  (cons -1 0))
        (mydb (db:dbdat-get-db (db:get-db dbstruct 0)))
        )
    (print "BB> hostname="hostname" raw-hostname="raw-hostname" dbstruct="dbstruct" mydb="mydb)
    (db:with-db
     dbstruct
     0
     #f
     (lambda (db)
       (sqlite3:for-each-row
        (lambda (cpuload update-time)  (set! res (cons cpuload update-time)))
        db
        "SELECT tr.cpuload, tr.update_time FROM test_rundat tr, tests t WHERE t.host=? AND tr.cpuload != -1  AND tr.test_id=t.id ORDER BY tr.update_time DESC LIMIT 1;"
        hostname))) res ))


(define (db:set-top-level-from-items dbstruct run-id testname)
  (let* ((dbdat (db:get-db dbstruct run-id))
	 (db    (db:dbdat-get-db dbdat))
	 (summ  (db:get-state-status-summary db run-id testname))
	 (find  (lambda (state status)
		  (if (null? summ)
︙

Modified launch.scm from [bc19a897b2] to [4553eebf08].

︙
316
317
318
319
320
321
322
323

324
325
326
327
328
329
330

316
317
318
319
320
321
322

323
324
325
326
327
328
329
330








-
+








	 (kill-tries 0))
    ;; (tests:set-full-meta-info #f test-id run-id (calc-minutes) work-area)
    ;; (tests:set-full-meta-info test-id run-id (calc-minutes) work-area)
    (tests:set-full-meta-info #f test-id run-id (calc-minutes) work-area 10)
    (let loop ((minutes   (calc-minutes))
	       (cpu-load  (get-cpu-load))
	       (disk-free (get-df (current-directory))))
      (let ((new-cpu-load (let* ((load  (get-cpu-load))
      (let ((new-cpu-load (let* ((load  (common:get-normalized-cpu-load #f))
				 (delta (abs (- load cpu-load))))
			    (if (> delta 0.6) ;; don't bother updating with small changes
				load
				#f)))
	    (new-disk-free (let* ((df    (get-df (current-directory)))
				  (delta (abs (- df disk-free))))
			     (if (> delta 200) ;; ignore changes under 200 Meg
︙

Modified rmt.scm from [2632e87e3e] to [209649af60].

︙
318
319
320
321
322
323
324





325
326
327
328
329
330
331

318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336








+
+
+
+
+









;; hand off a call to one of the db:queries statements
;; added run-id to make looking up the correct db possible 
;;
(define (rmt:general-call stmtname run-id . params)
  (rmt:send-receive 'general-call run-id (append (list stmtname run-id) params)))


;; given a hostname, return a pair of cpu load and update time representing latest intelligence from tests running on that host
(define (rmt:get-latest-host-load hostname)
  (rmt:send-receive 'get-latest-host-load 0 (list hostname)))

;; (define (rmt:sync-inmem->db run-id)
;;   (rmt:send-receive 'sync-inmem->db run-id '()))

(define (rmt:sdb-qry qry val run-id)
  ;; add caching if qry is 'getid or 'getstr
  (rmt:send-receive 'sdb-qry run-id (list qry val)))
︙

This page was generated in about 0.141s by Fossil 2.24 [452f8e1ffc] 2024-03-26 15:36:00