)]}'
{"id":"openstack%2Fdevstack~211735","triplet_id":"openstack%2Fdevstack~master~Ifef8dc15fb6d0a07ea52d469c5185619e69bdcbf","project":"openstack/devstack","branch":"master","topic":"mysql","hashtags":[],"change_id":"Ifef8dc15fb6d0a07ea52d469c5185619e69bdcbf","subject":"Bump up max_pool_size and max_overflow","status":"ABANDONED","created":"2015-08-11 20:03:14.000000000","updated":"2016-02-10 15:52:01.000000000","total_comment_count":0,"unresolved_comment_count":0,"has_review_started":true,"meta_rev_id":"ac5d2c27140b650e27548c0bd34d627a6658f05f","_number":211735,"virtual_id_number":211735,"owner":{"_account_id":6491,"name":"xing-yang","email":"xingyang105@gmail.com","username":"xing-yang"},"actions":{},"labels":{"Verified":{"recommended":{"_account_id":3,"name":"Jenkins","username":"jenkins"},"all":[{"_account_id":4656,"name":"Sean M. 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Collins","email":"sean@coreitpro.com","username":"scollins"},"reviewer":{"_account_id":4656,"name":"Sean M. Collins","email":"sean@coreitpro.com","username":"scollins"},"state":"REVIEWER"},{"updated":"2015-08-15 16:53:26.000000000","updated_by":{"_account_id":1653,"name":"garyk","email":"gkotton@vmware.com","username":"garyk"},"reviewer":{"_account_id":1653,"name":"garyk","email":"gkotton@vmware.com","username":"garyk"},"state":"REVIEWER"},{"updated":"2015-08-17 02:38:11.000000000","updated_by":{"_account_id":7118,"name":"Ian Wienand","email":"iwienand@redhat.com","username":"iwienand"},"reviewer":{"_account_id":7118,"name":"Ian Wienand","email":"iwienand@redhat.com","username":"iwienand"},"state":"REVIEWER"},{"updated":"2015-08-17 18:15:29.000000000","updated_by":{"_account_id":2750,"name":"Sean Dague","email":"sean@dague.net","username":"sdague"},"reviewer":{"_account_id":2750,"name":"Sean Dague","email":"sean@dague.net","username":"sdague"},"state":"REVIEWER"}],"messages":[{"id":"a7c837d680db65194dc402acc1b9a4717410ca39","author":{"_account_id":6491,"name":"xing-yang","email":"xingyang105@gmail.com","username":"xing-yang"},"date":"2015-08-11 20:03:14.000000000","message":"Uploaded patch set 1.","accounts_in_message":[],"_revision_number":1},{"id":"3f73eb594a48c709106f99d0e606eee7b14b3670","author":{"_account_id":2243,"name":"John Griffith","email":"john.griffith8@gmail.com","username":"john-griffith"},"date":"2015-08-11 20:14:42.000000000","message":"Patch Set 1: Code-Review+1","accounts_in_message":[],"_revision_number":1},{"id":"43072f115d31fbb3dd15ad73318168e0d07a15fc","author":{"_account_id":9003,"name":"Tom Barron","email":"tpb@dyncloud.net","username":"tbarron"},"date":"2015-08-11 20:15:17.000000000","message":"Patch Set 1: Code-Review+1","accounts_in_message":[],"_revision_number":1},{"id":"d0252f1d339d1441228f9a1b9d4022162f22fb8c","author":{"_account_id":10385,"name":"Citrix XenServer CI","username":"citrix_xenserver_ci","tags":["SERVICE_USER"]},"date":"2015-08-11 20:43:38.000000000","message":"Patch Set 1:\n\nFailed using XenAPI driver with XenServer 6.2: Logs at http://dd6b71949550285df7dc-dda4e480e005aaa13ec303551d2d8155.r49.cf1.rackcdn.com/35/211735/1/7895/index.html\n\nUse \"xenserver: recheck\" to trigger only xenserver re-check.  XenServer CI contact: openstack@citrix.com.\n\nDebugging suggestions at https://wiki.openstack.org/wiki/Debugging_XenServer_CI_failures","accounts_in_message":[],"_revision_number":1},{"id":"98cf5dffddb3c06cbe057fac75e0aa189b7b9dfb","author":{"_account_id":3,"name":"Jenkins","username":"jenkins"},"date":"2015-08-11 21:11:28.000000000","message":"Patch Set 1: Verified+1\n\nBuild succeeded (check pipeline).\n\n- gate-tempest-dsvm-full http://logs.openstack.org/35/211735/1/check/gate-tempest-dsvm-full/5b7c8f7/ : SUCCESS in 41m 18s\n- gate-tempest-dsvm-postgres-full http://logs.openstack.org/35/211735/1/check/gate-tempest-dsvm-postgres-full/7d5688f/ : SUCCESS in 53m 37s\n- gate-tempest-dsvm-neutron-full http://logs.openstack.org/35/211735/1/check/gate-tempest-dsvm-neutron-full/f1ca749/ : SUCCESS in 1h 08m 06s\n- gate-grenade-dsvm http://logs.openstack.org/35/211735/1/check/gate-grenade-dsvm/befe3ed/ : SUCCESS in 52m 37s\n- gate-tempest-dsvm-large-ops http://logs.openstack.org/35/211735/1/check/gate-tempest-dsvm-large-ops/adc57d6/ : SUCCESS in 32m 18s\n- gate-tempest-dsvm-neutron-large-ops http://logs.openstack.org/35/211735/1/check/gate-tempest-dsvm-neutron-large-ops/69ef81a/ : SUCCESS in 36m 54s\n- gate-devstack-bashate http://logs.openstack.org/35/211735/1/check/gate-devstack-bashate/79351ad/ : SUCCESS in 19s\n- gate-devstack-unit-tests http://logs.openstack.org/35/211735/1/check/gate-devstack-unit-tests/74277c3/ : SUCCESS in 22s\n- gate-devstack-dsvm-cells http://logs.openstack.org/35/211735/1/check/gate-devstack-dsvm-cells/fd7acf8/ : SUCCESS in 22m 14s\n- gate-grenade-dsvm-partial-ncpu http://logs.openstack.org/35/211735/1/check/gate-grenade-dsvm-partial-ncpu/5b24471/ : SUCCESS in 42m 13s\n- gate-tempest-dsvm-ironic-pxe_ssh http://logs.openstack.org/35/211735/1/check/gate-tempest-dsvm-ironic-pxe_ssh/f306d99/ : SUCCESS in 35m 22s\n- gate-devstack-dsvm-updown http://logs.openstack.org/35/211735/1/check/gate-devstack-dsvm-updown/50aa335/ : SUCCESS in 20m 27s\n- gate-tempest-dsvm-f21 http://logs.openstack.org/35/211735/1/check/gate-tempest-dsvm-f21/2a5fd0a/ : FAILURE in 31m 45s (non-voting)\n- gate-tempest-dsvm-centos7 http://logs.openstack.org/35/211735/1/check/gate-tempest-dsvm-centos7/bf0b3f4/ : SUCCESS in 33m 23s (non-voting)\n- gate-devstack-publish-docs http://docs-draft.openstack.org/35/211735/1/check/gate-devstack-publish-docs/7d699a0//doc/build/html/ : SUCCESS in 1m 50s\n- gate-swift-dsvm-functional-nv http://logs.openstack.org/35/211735/1/check/gate-swift-dsvm-functional-nv/02faaf8/ : SUCCESS in 31m 38s (non-voting)\n- gate-grenade-dsvm-neutron http://logs.openstack.org/35/211735/1/check/gate-grenade-dsvm-neutron/cb4f992/ : SUCCESS in 57m 00s\n- gate-tempest-dsvm-multinode-full http://logs.openstack.org/35/211735/1/check/gate-tempest-dsvm-multinode-full/318934b/ : SUCCESS in 50m 03s (non-voting)\n- gate-tempest-dsvm-neutron-multinode-full http://logs.openstack.org/35/211735/1/check/gate-tempest-dsvm-neutron-multinode-full/5043b8b/ : SUCCESS in 1h 03m 39s (non-voting)","accounts_in_message":[],"_revision_number":1},{"id":"ae2e6fb1b523eda04221f855d24b431e92726a48","author":{"_account_id":170,"name":"Mike Perez","email":"thingee@gmail.com","username":"thingee"},"date":"2015-08-11 22:55:33.000000000","message":"Patch Set 1: Code-Review+1","accounts_in_message":[],"_revision_number":1},{"id":"db4d25e5c3549a5b3080f4e3ab04326aa9b20460","author":{"_account_id":9003,"name":"Tom Barron","email":"tpb@dyncloud.net","username":"tbarron"},"date":"2015-08-12 02:41:06.000000000","message":"Patch Set 1:\n\nWe wanted to make sure that bumping up these parameters isn\u0027t just masking a problem with the backup code that\nis driven by the tempest test that is failing.\n\nTo that end, we ran the command:\n\nmysqladmin -u root -pnova extended -i10 -r | grep -i connections\n\nin one window and did:\n\ntestr run tempest.api.volume.admin.test_volumes_backup.VolumesBackupsV2Test.test_volume_backup_create_get_detailed_list_restore_delete\n\nin another window.\n\nResults show no extraordinary surge of connections during the run of the tempest test, supporting the view that it was a victim of connection shortage during tempest runs with concurrency rather than a significant perpetrator.\n\nResults:\n\n$ mysqladmin -u root -pnova extended -i10 -r | grep -i connections\n| Connections                              | 230         |\n| Max_used_connections                     | 30          |\n# started the tempest test here\n| Connections                              | 0           |\n| Max_used_connections                     | 0           |\n| Connections                              | 0           |\n| Max_used_connections                     | 0           |\n| Connections                              | 0           |\n| Max_used_connections                     | 0           |\n| Connections                              | 1           |\n| Max_used_connections                     | 0           |\n| Connections                              | 2           |\n| Max_used_connections                     | 0           |\n| Connections                              | 0           |\n| Max_used_connections                     | 0           |\n| Connections                              | 0           |\n| Max_used_connections                     | 0           |\n| Connections                              | 0           |\n| Max_used_connections                     | 0           |\n| Connections                              | 0           |\n| Max_used_connections                     | 0           |\n| Connections                              | 3           |\n| Max_used_connections                     | 0           |\n# tempest test ended here","accounts_in_message":[],"_revision_number":1},{"id":"140258c70cde812ac6c2e4c124e23eedd79e966a","author":{"_account_id":6491,"name":"xing-yang","email":"xingyang105@gmail.com","username":"xing-yang"},"date":"2015-08-12 15:38:48.000000000","message":"Patch Set 1:\n\nThanks Tom!\n\nI just noticed a patch in Manila that tries to increase max_pool_size to 40: \n\nhttps://review.openstack.org/#/c/211484/6/devstack/plugin.sh","accounts_in_message":[],"_revision_number":1},{"id":"833675cb5351357f1890354e396f01c58fa7a219","author":{"_account_id":10385,"name":"Citrix XenServer CI","username":"citrix_xenserver_ci","tags":["SERVICE_USER"]},"date":"2015-08-12 16:37:05.000000000","message":"Patch Set 1:\n\nPassed using XenAPI driver with XenServer 6.2: Logs at http://dd6b71949550285df7dc-dda4e480e005aaa13ec303551d2d8155.r49.cf1.rackcdn.com/35/211735/1/8040/index.html\n\nUse \"xenserver: recheck\" to trigger only xenserver re-check.  XenServer CI contact: openstack@citrix.com.\n\nDebugging suggestions at https://wiki.openstack.org/wiki/Debugging_XenServer_CI_failures","accounts_in_message":[],"_revision_number":1},{"id":"d7086b37b8911871d142d2bf0414e8b3059c0f0b","author":{"_account_id":4656,"name":"Sean M. Collins","email":"sean@coreitpro.com","username":"scollins"},"date":"2015-08-14 19:30:56.000000000","message":"Patch Set 1: Code-Review+1\n\nI think I\u0027ve also seen this on the Nova side\n\nhttps://bugs.launchpad.net/nova/+bug/1480698","accounts_in_message":[],"_revision_number":1},{"id":"a26ea51ba04ba9e93c673ae21b64933bdbdc6a26","author":{"_account_id":1653,"name":"garyk","email":"gkotton@vmware.com","username":"garyk"},"date":"2015-08-15 16:53:26.000000000","message":"Patch Set 1: Code-Review+2","accounts_in_message":[],"_revision_number":1},{"id":"c2fec0993a3f0a788c3f715d10b305f42c0209aa","author":{"_account_id":7118,"name":"Ian Wienand","email":"iwienand@redhat.com","username":"iwienand"},"date":"2015-08-17 02:38:11.000000000","message":"Patch Set 1: Code-Review-1\n\nI always feel like devstack is the wrong place to do this.\n\nIs there some argument why this is devstack specific?  if the defaults can\u0027t run tempest, then i think we need to seriously consider if they\u0027re the right defaults","accounts_in_message":[],"_revision_number":1},{"id":"ef7b3e1eaf275a201c8cfddbcd246a06a6f9cf1e","author":{"_account_id":2750,"name":"Sean Dague","email":"sean@dague.net","username":"sdague"},"date":"2015-08-17 18:15:29.000000000","message":"Patch Set 1: Code-Review-1\n\nconnection pool is full is coming from urllib3 and as far as I can tell has nothing to do with the db.","accounts_in_message":[],"_revision_number":1},{"id":"c89cc0a445aae376028d164406f5d310ee739b22","author":{"_account_id":6491,"name":"xing-yang","email":"xingyang105@gmail.com","username":"xing-yang"},"date":"2015-08-27 03:40:52.000000000","message":"Patch Set 1:\n\nFound a similar bug on urllib3.connectionpool full error, but the fix was abandoned. We are also using swift in cinder backup, so this could be a duplicate of that bug:\n\nhttps://bugs.launchpad.net/python-swiftclient/+bug/1295812","accounts_in_message":[],"_revision_number":1},{"id":"ca1e04a109810dbab63dc9646f7b83823886eb67","author":{"_account_id":2750,"name":"Sean Dague","email":"sean@dague.net","username":"sdague"},"date":"2016-02-10 15:52:01.000000000","message":"Abandoned","accounts_in_message":[],"_revision_number":1}],"current_revision_number":1,"current_revision":"802d817fa3249abd4e6ed753a11e7ffca5e89fa2","revisions":{"802d817fa3249abd4e6ed753a11e7ffca5e89fa2":{"kind":"REWORK","_number":1,"created":"2015-08-11 20:03:14.000000000","uploader":{"_account_id":6491,"name":"xing-yang","email":"xingyang105@gmail.com","username":"xing-yang"},"ref":"refs/changes/35/211735/1","fetch":{"anonymous http":{"url":"https://review.opendev.org/openstack/devstack","ref":"refs/changes/35/211735/1","commands":{"Checkout":"git fetch https://review.opendev.org/openstack/devstack refs/changes/35/211735/1 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.opendev.org/openstack/devstack refs/changes/35/211735/1 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.opendev.org/openstack/devstack refs/changes/35/211735/1 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.opendev.org/openstack/devstack refs/changes/35/211735/1"}}},"commit":{"parents":[{"commit":"9718b79f5fb83e34df50c42308a04d3f80f3fb3e","subject":"Merge \"Add support to lib/tempest for using tempest test accounts\"","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/devstack/commit/9718b79f5fb83e34df50c42308a04d3f80f3fb3e"}]}],"author":{"name":"Xing Yang","email":"xing.yang@emc.com","date":"2015-08-08 13:19:39.000000000","tz":-240},"committer":{"name":"Xing Yang","email":"xing.yang@emc.com","date":"2015-08-08 13:19:39.000000000","tz":-240},"subject":"Bump up max_pool_size and max_overflow","message":"Bump up max_pool_size and max_overflow\n\nA backup restore tempest test failed due to the lost connection to MySQL.\nIn Cinder volume log, we see the following error:\n\"Connection pool is full, discarding connection\"\n\nIn Cinder backup log, we see the following error:\nException during message handling: (pymysql.err.OperationalError) (2013,\n\u0027Lost connection to MySQL server during query\u0027)\n\nThis patch bumps up max_pool_size and max_overflow in cinder.conf to\nallow more db connections. max_pool_size is the maximum number of SQL\nconnections to keep open in a pool. max_overflow is the maximum number\nof overflow connections with sqlalchemy. By default, max_pool_size is 5\nand max_overflow is 10. This patches bumps them up to 20 and 30 respectively:\n\nmax_pool_size\u003d20\nmax_overflow\u003d30\n\nChange-Id: Ifef8dc15fb6d0a07ea52d469c5185619e69bdcbf\nPartial-Bug: #1483434\n","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/devstack/commit/802d817fa3249abd4e6ed753a11e7ffca5e89fa2"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/devstack/commit/802d817fa3249abd4e6ed753a11e7ffca5e89fa2"}]},"branch":"refs/heads/master"}},"requirements":[],"submit_records":[],"submit_requirements":[]}