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* Use the writer worker for all write queries.Mathieu Othacehe2020-10-15
| | | | | | | | | | | | | | | | | * .dir-locals.el: Add "with-queue-writer-worker". * bin/cuirass.in: Modify "with-queue-writer-worker" scope to include the web-server operations. * src/cuirass/database.scm (with-db-writer-worker-thread): Export it. (with-db-writer-worker-thread/force): New macro. (db-add-input, db-add-checkout, db-add-specification, db-remove-specification, db-add-evaluation, db-abort-pending-evaluations, db-set-evaluation-status, db-set-evaluation-time, db-add-output, db-add-build-product, db-add-event, db-delete-events-with-ids-<=-to): Use "with-db-writer-worker-thread" or "with-db-writer-worker-thread/force" instead of "with-db-worker-thread". * src/cuirass/metrics.scm (db-update-metrics): Ditto. * tests/database.scm ("db-init"): Set "%db-writer-channel". * tests/http.scm ("db-init"): Ditto. * tests/metrics.scm ("db-init"): Ditto.
* Queue write operations.Mathieu Othacehe2020-10-14
| | | | | | | | | | | | | | | | | | | | | | | | | SQLite only allows one concurrent write query operation. Having multiple database workers calling "db-update-build-status!", will thus increase worker starvation. Every write operation will also be done is a single transaction. For those reasons, create a database worker dedicated to write queries. Have this worker queue work and issue all the queued work queries in a single transaction. * .dir-locals.el: Add with-db-writer-worker-thread. * src/cuirass/database.scm (with-queue-writer-worker): Rename "with-registration-workers" macro. (%db-writer-channel): Rename "%db-registration-channel" variable. (with-queue-writer-worker): Rename "with-registration-workers". (db-register-builds): Use "with-db-writer-worker-thread" instead of "with-db-registration-worker-thread". (db-update-build-status!): Ditto * src/cuirass/utils.scm (make-worker-thread-channel): Add "queue-size" and "queue-proc" arguments. (call-with-worker-thread): Add "options" argument. * bin/cuirass.in (main): Use "with-queue-writer-worker" instead of "with-registration-workers". Modify the macro scope to include all the possible write operations.
* Update .dir-locals.el.Mathieu Othacehe2020-10-09
| | | | * .dir-locals (scheme-mode): Update it.
* database: Serialize all database accesses in a thread.Clément Lassieur2018-08-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes <https://bugs.gnu.org/32234>. * bin/cuirass.in (main): Keep only one WITH-DATABASE call around all fibers. Remove all DB arguments. * src/cuirass/base.scm (evaluate, update-build-statuses!, spawn-builds, handle-build-event, build-packages): Remove all DB arguments. (clear-build-queue, cancel-old-builds): Wrap in WITH-DB-CRITICAL-SECTION, remove all DB arguments. (restart-builds): Remove the NON-BLOCKING call, remove all DB arguments. (process-specs): Remove all DB arguments, remove the WITH-DATABASE call. * src/cuirass/database.scm (%db-channel): New parameter. (with-db-critical-section): New macro. (db-add-input, db-add-specification, db-get-inputs, db-get-specifications, db-add-evaluation, db-add-build, db-update-build-status!, db-get-outputs, db-get-builds, db-get-build, db-get-pending-derivations, db-get-stamp, db-add-stamp, db-get-evaluations, db-get-evaluations-build-summary, db-get-evaluations-id-min, db-get-evaluations-id-max, db-get-builds-min, db-get-builds-max): Wrap in WITH-DB-CRITICAL-SECTION, remove all DB arguments. (with-database): Wrap BODY in PARAMETERIZE form that sets %DB-CHANNEL to the channel returned by MAKE-CRITICAL-SECTION. * src/cuirass/http.scm (handle-build-request, handle-builds-request): Remove all DB arguments. (url-handler): Remove all DB arguments, remove the DB-CHANNEL state, remove the WITH-CRITICAL-SECTION calls. (run-cuirass-server): Remove the DB arguments, remove the MAKE-CRITICAL-SECTION call. * src/cuirass/utils.scm (make-critical-section): Replace SPAWN-FIBER with CALL-WITH-NEW-THREAD. Wrap body in PARAMETERIZE form that clears CURRENT-FIBER. * tests/database.scm (with-temporary-database, "db-add-specification", "db-add-build", "db-update-build-status!", "db-get-builds", "db-get-pending-derivations"): Remove the DB arguments. ("db-init"): Set the %DB-CHANNEL parameter to the channel returned by MAKE-CRITICAL-SECTION, and return #t. ("database"): Set %DB-CHANNEL to #f during cleanup. * tests/http.scm ("db-init"): Set the %DB-CHANNEL parameter to the channel returned by MAKE-CRITICAL-SECTION, and return #t. ("cuirass-run", "fill-db"): Remove the DB arguments. ("http"): Set %DB-CHANNEL to #f during cleanup.
* utils: Add critical sections.Ludovic Courtès2018-04-02
| | | | | | | | | | | * src/cuirass/utils.scm (make-critical-section) (call-with-critical-section): New procedures. (with-critical-section): New macro. * src/cuirass/http.scm (with-database-access): Remove. (handle-build-request, handle-builds-request, url-handler): Use 'with-critical-section' instead of 'with-database-access'. (run-cuirass-server): Remove 'spawn-fiber' call. Use 'make-critical-section' instead.
* doc: Add Cuirass manual.Mathieu Lirzin2016-12-04
| | | | | | | | * doc/cuirass.texi: New file. * doc/fdl-1.3.texi: Likewise. * Makefile.am (info_TEXINFOS, doc_cuirass_TEXINFOS): New variables. * dir-locals.el: Use the American dictionary for Texinfo mode. * .gitignore: Update.
* evaluate: Use (cuirass ...) modules.Mathieu Lirzin2016-07-25
| | | | This avoids code duplication.
* base: Add %program-name parameter object.Mathieu Lirzin2016-07-01
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* Make %package-database a parameter object.Mathieu Lirzin2016-06-26
| | | | Move it to (cuirass database).
* Initial commit.Mathieu Lirzin2016-05-29
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