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Add log warnings for long running event handling #39729

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merged 5 commits into from
Mar 8, 2019

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@Tim-Brooks Tim-Brooks commented Mar 6, 2019

Recently we have had a number of test issues related to blocking
activity occuring on the io thread. This commit adds a log warning for
when handling event takes a >150 milliseconds. This is implemented
for the MockNioTransport which is the transport used in
ESIntegTestCase.

@Tim-Brooks Tim-Brooks added >test Issues or PRs that are addressing/adding tests WIP :Distributed Coordination/Network Http and internode communication implementations v8.0.0 v7.2.0 labels Mar 6, 2019
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Pinging @elastic/es-distributed

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Jenkins run elasticsearch-ci/packaging-sample (Vagrant timeout)

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LGTM, thanks for looking into this!

@Tim-Brooks Tim-Brooks requested a review from ywelsch March 8, 2019 17:56
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LGTM

@Tim-Brooks Tim-Brooks merged commit 11fe52a into elastic:master Mar 8, 2019
Tim-Brooks added a commit that referenced this pull request Mar 8, 2019
Recently we have had a number of test issues related to blocking
activity occuring on the io thread. This commit adds a log warning for
when handling event takes a >150 milliseconds. This is implemented
for the MockNioTransport which is the transport used in
ESIntegTestCase.
original-brownbear added a commit to original-brownbear/elasticsearch that referenced this pull request May 9, 2019
* Follow up to elastic#39729 extending the functionality to actually dump the
stack when the thread is blocked not afterwards
   * Logging the stacktrace after the thread became unblocked is only of
limited use because we don't know what happened in the slow callback
from that (only whether we were  blocked on a read,write,connect etc.)
* Relates elastic#41745
original-brownbear added a commit that referenced this pull request May 22, 2019
* Dump Stacktrace on Slow IO-Thread Operations

* Follow up to #39729 extending the functionality to actually dump the
stack when the thread is blocked not afterwards
   * Logging the stacktrace after the thread became unblocked is only of
limited use because we don't know what happened in the slow callback
from that (only whether we were  blocked on a read,write,connect etc.)
* Relates #41745
original-brownbear added a commit to original-brownbear/elasticsearch that referenced this pull request May 27, 2019
* Dump Stacktrace on Slow IO-Thread Operations

* Follow up to elastic#39729 extending the functionality to actually dump the
stack when the thread is blocked not afterwards
   * Logging the stacktrace after the thread became unblocked is only of
limited use because we don't know what happened in the slow callback
from that (only whether we were  blocked on a read,write,connect etc.)
* Relates elastic#41745
gurkankaymak pushed a commit to gurkankaymak/elasticsearch that referenced this pull request May 27, 2019
* Dump Stacktrace on Slow IO-Thread Operations

* Follow up to elastic#39729 extending the functionality to actually dump the
stack when the thread is blocked not afterwards
   * Logging the stacktrace after the thread became unblocked is only of
limited use because we don't know what happened in the slow callback
from that (only whether we were  blocked on a read,write,connect etc.)
* Relates elastic#41745
original-brownbear added a commit that referenced this pull request May 27, 2019
* Dump Stacktrace on Slow IO-Thread Operations

* Follow up to #39729 extending the functionality to actually dump the
stack when the thread is blocked not afterwards
   * Logging the stacktrace after the thread became unblocked is only of
limited use because we don't know what happened in the slow callback
from that (only whether we were  blocked on a read,write,connect etc.)
* Relates #41745
cbuescher pushed a commit that referenced this pull request Jun 13, 2019
* Dump Stacktrace on Slow IO-Thread Operations

* Follow up to #39729 extending the functionality to actually dump the
stack when the thread is blocked not afterwards
   * Logging the stacktrace after the thread became unblocked is only of
limited use because we don't know what happened in the slow callback
from that (only whether we were  blocked on a read,write,connect etc.)
* Relates #41745
@Tim-Brooks Tim-Brooks deleted the separate_task_execution branch December 18, 2019 14:49
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5 participants