Revert "server: factor out MainCommon as a class, with a run method (… #2613
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…nvoyproxy#2568)" This reverts commit deffec6, which was causing CI to flake today in TSAN runs. The proximate root cause is the change in envoyproxy#2568, which appears not to correctly setup logging in --mode=validate. This in turn leads to some log related races that I don't fully grok. Rolling back to unblock CI, we should make sure hotrestart_test passes TSAN with high confidence before rolling forward again. Signed-off-by: Harvey Tuch <[email protected]>
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@jmarantz @envoyproxy/maintainers Apologies for the rollback, but this will unblock CI. We should try and figure out what's up with |
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Sorry about the regression! I wonder if this would've been easier to catch with the thread annotation you've now enabled? |
jmarantz
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Feb 15, 2018
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@jmarantz Yeah, it will be interesting to understand the underlying race; I think somehow we were getting default logging initialization effects rather than a full initialization prior to threads launching (which were then logging). Some of the locking around logging could benefit from thread annotations. |
This was referenced Feb 15, 2018
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…method (envoyproxy#2568)" (envoyproxy#2613)" This reverts commit 034135f. Signed-off-by: Joshua Marantz <[email protected]>
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…ation (#2623) Description: Reverts #2613 the revert of #2568 Fixed the underlying issue which was that logging was not initialized during validation, so it ran lockless. This caused intermittent tsan errors. Although #2619 makes the failure immediate and consistent by asserting that logging has been initialized prior to spawning any threads. Risk Level: Medium -- the earlier #2568 caused intermittent tsan errors which we believe to be fixed, but #2568 was medium-risk in the first place. Release Notes: N/A
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This can save ~1ms at batch size == 100.
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Risk Level: low Testing: unit tests Docs Changes: n/a Release Notes: yes Part of #1594 Signed-off-by: Alyssa Wilk <[email protected]> Signed-off-by: JP Simard <[email protected]>
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Risk Level: low Testing: unit tests Docs Changes: n/a Release Notes: yes Part of #1594 Signed-off-by: Alyssa Wilk <[email protected]> Signed-off-by: JP Simard <[email protected]>
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…#2568)"
This reverts commit deffec6, which was
causing CI to flake today in TSAN runs. The proximate root cause is
the change in #2568, which appears not to correctly setup logging in
--mode=validate. This in turn leads to some log related races that I
don't fully grok.
Rolling back to unblock CI, we should make sure hotrestart_test passes
TSAN with high confidence before rolling forward again.
Risk Level: Low
Testing: bazel test //test/integration:hotrestart_test --runs_per_test=100 --config=clang-tsan -c dbg
Signed-off-by: Harvey Tuch [email protected]