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So that would require an exception to the stable policy (basically performance would need to be so bad and this would have to be the only solution around it)","accounts_in_message":[],"_revision_number":1},{"id":"5eceb8602da1edde0ba6ea66293b7782b9722ffa","author":{"_account_id":2472,"name":"Doug Hellmann","email":"dhellmann@redhat.com","username":"doug-hellmann"},"date":"2018-11-02 13:49:44.000000000","message":"Patch Set 1: Code-Review-1\n\nThis has a new configuration option, which doesn\u0027t make it a good candidate for a backport, especially if the default behavior is changed.","accounts_in_message":[],"_revision_number":1},{"id":"3696436ccc3ff5c87fead26d1838f82bd16c3d96","author":{"_account_id":7016,"name":"Swaminathan Vasudevan","email":"swvasude@cisco.com","username":"souminathan"},"date":"2018-11-12 18:19:53.000000000","message":"Patch Set 1:\n\nSorry I did not realize the config change.\nLet me abandon this patch.","accounts_in_message":[],"_revision_number":1},{"id":"a5ce97024cc1e9e93173cda99318da623e17958d","author":{"_account_id":6593,"name":"Dirk Mueller","email":"dirk@dmllr.de","username":"dmllr"},"date":"2018-11-13 00:00:51.000000000","message":"Patch Set 1:\n\nWe can make it stable policy compliant with a small change. Still think it\u0027s worth backporting","accounts_in_message":[],"_revision_number":1},{"id":"6f33cb7a3950a2c2bb321815712cccbf528a6252","author":{"_account_id":6593,"name":"Dirk Mueller","email":"dirk@dmllr.de","username":"dmllr"},"date":"2018-12-19 12:17:59.000000000","message":"Uploaded patch set 2.","accounts_in_message":[],"_revision_number":2},{"id":"9becb2377873b687cac54ebe202c96ca04eb985d","author":{"_account_id":22348,"name":"Zuul","username":"zuul","tags":["SERVICE_USER"]},"date":"2018-12-19 13:58:25.000000000","message":"Patch Set 2: Verified+1\n\nBuild succeeded (check pipeline).\n\n- openstack-tox-docs http://logs.openstack.org/87/613387/2/check/openstack-tox-docs/f6bbe26/html/ : SUCCESS in 3m 36s\n- openstack-tox-pep8 http://logs.openstack.org/87/613387/2/check/openstack-tox-pep8/228ca5a/ : SUCCESS in 3m 53s\n- openstack-tox-py27 http://logs.openstack.org/87/613387/2/check/openstack-tox-py27/54f032e/ : SUCCESS in 6m 31s\n- openstack-tox-py35 http://logs.openstack.org/87/613387/2/check/openstack-tox-py35/03f6ffe/ : SUCCESS in 4m 43s\n- tempest-full http://logs.openstack.org/87/613387/2/check/tempest-full/edc3b98/ : SUCCESS in 1h 33m 34s\n- build-openstack-releasenotes http://logs.openstack.org/87/613387/2/check/build-openstack-releasenotes/6d659a6/html/ : SUCCESS in 4m 54s\n- openstack-tox-lower-constraints http://logs.openstack.org/87/613387/2/check/openstack-tox-lower-constraints/727cbf4/ : SUCCESS in 5m 08s","accounts_in_message":[],"_revision_number":2},{"id":"49648276fbd7dd8cb450bd805442d633e2335f5b","author":{"_account_id":308,"name":"Thierry Carrez","email":"thierry@openstack.org","username":"ttx"},"date":"2018-12-21 15:53:53.000000000","message":"Patch Set 2:\n\nThis introduces a new config option, but by default the behavior should not change. We have granted exceptions for that kind of changes in stable branches in the past in extreme cases (security issues, extremely bad performance issues)...\n\nThis is clearly in grey area and I\u0027d like to get oslo-core and stable-maint-core\u0027s opinion on it.","accounts_in_message":[],"_revision_number":2},{"id":"5bcb16a8ad08cd21ef48ba355859632e2706d3a3","author":{"_account_id":12898,"name":"Tony Breeds","email":"tony@bakeyournoodle.com","username":"tonyb"},"date":"2018-12-23 23:56:28.000000000","message":"Patch Set 2: Code-Review-1\n\n(1 comment)\n\nThis is clearly a feature but it is one we need to mitigate a performance regression  introduced by the kernel\u0027s spectre mitigation[1].\n\nThe performance number look compelling but they\u0027re also incomplete wouldn\u0027t using daemon mode (without code changes give the same benefit?)\n\nReleasing this would mean that oslo.rootwrap should get a minor semver bump, but it can\u0027t as that version is already taken :(  In general I\u0027m okay with this.  I am going to leave a -1 until we can verify that this hasn\u0027t introduced a security problem on master that we\u0027re backporting to stable\n\n[1] with pretty much means it will be/has been backported to every kernel we care about","accounts_in_message":[],"_revision_number":2},{"id":"973cc265e3411184ae2fe1f98f8e623bad265cce","author":{"_account_id":6593,"name":"Dirk Mueller","email":"dirk@dmllr.de","username":"dmllr"},"date":"2019-01-02 14:50:03.000000000","message":"Patch Set 2:\n\n(1 comment)","accounts_in_message":[],"_revision_number":2},{"id":"2f03b5fb6629df6636ee5c3c6c74f4e054b01145","author":{"_account_id":6593,"name":"Dirk Mueller","email":"dirk@dmllr.de","username":"dmllr"},"date":"2019-01-02 15:46:32.000000000","message":"Patch Set 2:\n\nhttps://review.openstack.org/627991 is trying to address the issue that Tony is raising.","accounts_in_message":[],"_revision_number":2},{"id":"4c3b4fc1bddc4380cbac7738dbaeba6a38f867c0","author":{"_account_id":12898,"name":"Tony Breeds","email":"tony@bakeyournoodle.com","username":"tonyb"},"date":"2019-05-08 15:54:15.000000000","message":"Patch Set 2:\n\nI\u0027m okay with this on stable branches (plural) once I3b481ddd14ae2b948270d715aad157cf3996def7 is merged and released on master and backported to the same stable branches","accounts_in_message":[],"_revision_number":2},{"id":"4407bd4522e3facababf5aad7b386dfbf293f69a","author":{"_account_id":6593,"name":"Dirk Mueller","email":"dirk@dmllr.de","username":"dmllr"},"date":"2019-09-13 11:03:44.000000000","message":"Uploaded patch set 3.","accounts_in_message":[],"_revision_number":3},{"id":"d2bcb405cfcdee568927b9db758015f16fc89220","author":{"_account_id":22348,"name":"Zuul","username":"zuul","tags":["SERVICE_USER"]},"date":"2019-09-13 11:36:48.000000000","message":"Patch Set 3: Verified-1\n\nBuild failed (check pipeline).  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With a soft limit of 1048576,\nbenchmark.py reports an overhead of ~ 400ms without this patch and 2ms\nwith the patch applied. This patch adds a configuration option and\nsets a more sensible default of 1024 file descriptor limit by default.\n\nCloses-Bug: 1796267\nChange-Id: Idd98c183eca3e2df8648fc0f37d27fe9cc6d0563\n(cherry picked from commit c0a86998203315858721a7b2c8ab75fbf5cd51d9)\n","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/oslo.rootwrap/commit/c88c80d040a97660a834336690181916cfcc3ad2"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/oslo.rootwrap/commit/c88c80d040a97660a834336690181916cfcc3ad2"}]},"branch":"refs/heads/stable/rocky"},"d0b06624bb82253076af2b76753b22ed3a2e042d":{"kind":"REWORK","_number":2,"created":"2018-12-19 12:17:59.000000000","uploader":{"_account_id":6593,"name":"Dirk Mueller","email":"dirk@dmllr.de","username":"dmllr"},"ref":"refs/changes/87/613387/2","fetch":{"anonymous http":{"url":"https://review.opendev.org/openstack/oslo.rootwrap","ref":"refs/changes/87/613387/2","commands":{"Checkout":"git fetch https://review.opendev.org/openstack/oslo.rootwrap refs/changes/87/613387/2 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.opendev.org/openstack/oslo.rootwrap refs/changes/87/613387/2 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.opendev.org/openstack/oslo.rootwrap refs/changes/87/613387/2 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.opendev.org/openstack/oslo.rootwrap refs/changes/87/613387/2"}}},"commit":{"parents":[{"commit":"0a603e707de26241c758269b69fa8bdfaa83d7f2","subject":"Merge \"Update UPPER_CONSTRAINTS_FILE for stable/rocky\" into stable/rocky","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/oslo.rootwrap/commit/0a603e707de26241c758269b69fa8bdfaa83d7f2"}]}],"author":{"name":"Dirk Mueller","email":"dirk@dmllr.de","date":"2018-10-04 12:37:25.000000000","tz":120},"committer":{"name":"Dirk Mueller","email":"dirk@dmllr.de","date":"2018-12-19 12:17:44.000000000","tz":60},"subject":"Run rootwrap with lower fd ulimit by default","message":"Run rootwrap with lower fd ulimit by default\n\nOn Python 2.x, a subprocess.Popen() with close_fds\u003dTrue will\nfork and then close filedescriptors range(3..os.sysconf(\"SC_OPEN_MAX\")),\nwhich thanks to Kernel PTI (Kaiser patches) is significantly slower\nin 2018 when the range is very large. With a soft limit of 1048576,\nbenchmark.py reports an overhead of ~ 400ms without this patch and 2ms\nwith the patch applied. This patch adds a configuration option and\nleaves it disabled for the stable/* backports to not change default\nbehavior.\n\nAlso includes Ben Nemec\u0027s release note entry, adjusted for the stable\nbackport. This is Ib29e96307caa39c21936f216d9aed7907e7a7331 for master.\n\nCloses-Bug: 1796267\nChange-Id: Idd98c183eca3e2df8648fc0f37d27fe9cc6d0563\n(cherry picked from commit c0a86998203315858721a7b2c8ab75fbf5cd51d9)\n","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/oslo.rootwrap/commit/d0b06624bb82253076af2b76753b22ed3a2e042d"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/oslo.rootwrap/commit/d0b06624bb82253076af2b76753b22ed3a2e042d"}]},"branch":"refs/heads/stable/rocky"},"c338f2c5c79abd44be5da495ae980fe7aefe194d":{"kind":"REWORK","_number":3,"created":"2019-09-13 11:03:44.000000000","uploader":{"_account_id":6593,"name":"Dirk Mueller","email":"dirk@dmllr.de","username":"dmllr"},"ref":"refs/changes/87/613387/3","fetch":{"anonymous http":{"url":"https://review.opendev.org/openstack/oslo.rootwrap","ref":"refs/changes/87/613387/3","commands":{"Checkout":"git fetch https://review.opendev.org/openstack/oslo.rootwrap refs/changes/87/613387/3 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.opendev.org/openstack/oslo.rootwrap refs/changes/87/613387/3 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.opendev.org/openstack/oslo.rootwrap refs/changes/87/613387/3 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.opendev.org/openstack/oslo.rootwrap refs/changes/87/613387/3"}}},"commit":{"parents":[{"commit":"c5a39636310e4cf96a377404ca6544d6a0037c44","subject":"OpenDev Migration Patch","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/oslo.rootwrap/commit/c5a39636310e4cf96a377404ca6544d6a0037c44"}]}],"author":{"name":"Dirk Mueller","email":"dirk@dmllr.de","date":"2018-10-04 12:37:25.000000000","tz":120},"committer":{"name":"Dirk Mueller","email":"dirk@dmllr.de","date":"2019-09-13 11:02:04.000000000","tz":120},"subject":"Run rootwrap with lower fd ulimit by default","message":"Run rootwrap with lower fd ulimit by default\n\nOn Python 2.x, a subprocess.Popen() with close_fds\u003dTrue will\nfork and then close filedescriptors range(3..os.sysconf(\"SC_OPEN_MAX\")),\nwhich thanks to Kernel PTI (Kaiser patches) is significantly slower\nin 2018 when the range is very large. With a soft limit of 1048576,\nbenchmark.py reports an overhead of ~ 400ms without this patch and 2ms\nwith the patch applied. This patch adds a configuration option and\nleaves it disabled for the stable/* backports to not change default\nbehavior.\n\nAlso includes Ben Nemec\u0027s release note entry, adjusted for the stable\nbackport. This is Ib29e96307caa39c21936f216d9aed7907e7a7331 for master.\n\nAlso includes I2391315f77718a3c9eb9fc8c03a6882237f33548 from master.\n\nAlso includes I3b481ddd14ae2b948270d715aad157cf3996def7 from master.\n\n(cherry picked from commit c0a86998203315858721a7b2c8ab75fbf5cd51d9)\n(cherry picked from commit 8f148f5e9e786d8a3922b0d5ae29bc54b8e8e1e9)\n(cherry picked from commit 5259c08c09eb3aeab64af928cddf84bc213594d3)\n\nCloses-Bug: 1796267\nCloses-Bug: #1804639\nChange-Id: Idd98c183eca3e2df8648fc0f37d27fe9cc6d0563\n","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/oslo.rootwrap/commit/c338f2c5c79abd44be5da495ae980fe7aefe194d"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/oslo.rootwrap/commit/c338f2c5c79abd44be5da495ae980fe7aefe194d"}]},"branch":"refs/heads/stable/rocky"},"fdb32096ab1fafbacf116b722140b24f0e2cd834":{"kind":"REWORK","_number":4,"created":"2019-09-16 09:54:24.000000000","uploader":{"_account_id":6593,"name":"Dirk Mueller","email":"dirk@dmllr.de","username":"dmllr"},"ref":"refs/changes/87/613387/4","fetch":{"anonymous http":{"url":"https://review.opendev.org/openstack/oslo.rootwrap","ref":"refs/changes/87/613387/4","commands":{"Checkout":"git fetch https://review.opendev.org/openstack/oslo.rootwrap refs/changes/87/613387/4 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.opendev.org/openstack/oslo.rootwrap refs/changes/87/613387/4 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.opendev.org/openstack/oslo.rootwrap refs/changes/87/613387/4 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.opendev.org/openstack/oslo.rootwrap refs/changes/87/613387/4"}}},"commit":{"parents":[{"commit":"c5a39636310e4cf96a377404ca6544d6a0037c44","subject":"OpenDev Migration Patch","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/oslo.rootwrap/commit/c5a39636310e4cf96a377404ca6544d6a0037c44"}]}],"author":{"name":"Dirk Mueller","email":"dirk@dmllr.de","date":"2018-10-04 12:37:25.000000000","tz":120},"committer":{"name":"Dirk Mueller","email":"dirk@dmllr.de","date":"2019-09-16 09:54:18.000000000","tz":120},"subject":"Run rootwrap with lower fd ulimit by default","message":"Run rootwrap with lower fd ulimit by default\n\nOn Python 2.x, a subprocess.Popen() with close_fds\u003dTrue will\nfork and then close filedescriptors range(3..os.sysconf(\"SC_OPEN_MAX\")),\nwhich thanks to Kernel PTI (Kaiser patches) is significantly slower\nin 2018 when the range is very large. With a soft limit of 1048576,\nbenchmark.py reports an overhead of ~ 400ms without this patch and 2ms\nwith the patch applied. This patch adds a configuration option and\nleaves it disabled for the stable/* backports to not change default\nbehavior.\n\nAlso includes Ben Nemec\u0027s release note entry, adjusted for the stable\nbackport. This is Ib29e96307caa39c21936f216d9aed7907e7a7331 for master.\n\nAlso includes I2391315f77718a3c9eb9fc8c03a6882237f33548 from master.\n\nAlso includes I3b481ddd14ae2b948270d715aad157cf3996def7 from master.\n\n(cherry picked from commit c0a86998203315858721a7b2c8ab75fbf5cd51d9)\n(cherry picked from commit 8f148f5e9e786d8a3922b0d5ae29bc54b8e8e1e9)\n(cherry picked from commit 5259c08c09eb3aeab64af928cddf84bc213594d3)\n\nCloses-Bug: 1796267\nCloses-Bug: #1804639\nChange-Id: Idd98c183eca3e2df8648fc0f37d27fe9cc6d0563\n","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/oslo.rootwrap/commit/fdb32096ab1fafbacf116b722140b24f0e2cd834"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/oslo.rootwrap/commit/fdb32096ab1fafbacf116b722140b24f0e2cd834"}]},"branch":"refs/heads/stable/rocky"}},"requirements":[],"submit_records":[],"submit_requirements":[]}