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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2021/04/07 09:32:38 UTC
[GitHub] [beam] scwhittle opened a new pull request #14458: [BEAM-12117] When reusing QueueingBeamFnDataClient, reset it to avoid
scwhittle opened a new pull request #14458:
URL: https://github.com/apache/beam/pull/14458
it's set of inbound clients from growing without bound.
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[GitHub] [beam] scwhittle commented on a change in pull request #14458: [BEAM-12117] When reusing QueueingBeamFnDataClient, reset it to avoid its set of inbound clients from growing without bound.
Posted by GitBox <gi...@apache.org>.
scwhittle commented on a change in pull request #14458:
URL: https://github.com/apache/beam/pull/14458#discussion_r610444222
##########
File path: sdks/java/harness/src/main/java/org/apache/beam/fn/harness/data/QueueingBeamFnDataClient.java
##########
@@ -141,6 +138,11 @@ public void drainAndBlock() throws Exception {
return this.mainClient.send(apiServiceDescriptor, outputLocation, coder);
}
+ /** Resets this object so that it may be reused. */
+ public void reset() {
+ inboundDataClients.clear();
Review comment:
I looked into that some more but it isn't easy since the queue reference has made it's way into various places as part of the cached BundleProcessor. I modified things so that the created QueueingFnDataReceiver are bound to an explicit queue instead of the QueueingBeamFnDataClient itself. This means that in reset we can just create a new queue and the identified race doesn't matter. Clients that have been failed but maybe not yet done will add to the orphaned queue (or if the queue is full they will abort once they notice they are failed).
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[GitHub] [beam] kennknowles commented on pull request #14458: [BEAM-12117] When reusing QueueingBeamFnDataClient, reset it to avoid its set of inbound clients from growing without bound.
Posted by GitBox <gi...@apache.org>.
kennknowles commented on pull request #14458:
URL: https://github.com/apache/beam/pull/14458#issuecomment-815118595
Run Java PreCommit
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[GitHub] [beam] scwhittle commented on pull request #14458: [BEAM-12117] When reusing QueueingBeamFnDataClient, reset it to avoid its set of inbound clients from growing without bound.
Posted by GitBox <gi...@apache.org>.
scwhittle commented on pull request #14458:
URL: https://github.com/apache/beam/pull/14458#issuecomment-815557691
As far as I can tell the test failures are unrelated issues, for example:
* Where:
Settings file 'D:\a\beam\beam\settings.gradle.kts' line: 20
* What went wrong:
Plugin [id: 'com.gradle.enterprise', version: '3.4.1', apply: false] was not found in any of the following sources:
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[GitHub] [beam] scwhittle commented on pull request #14458: [BEAM-12117] When reusing QueueingBeamFnDataClient, reset it to avoid
Posted by GitBox <gi...@apache.org>.
scwhittle commented on pull request #14458:
URL: https://github.com/apache/beam/pull/14458#issuecomment-814766352
R: @kennknowles
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[GitHub] [beam] amaliujia commented on a change in pull request #14458: [BEAM-12117] When reusing QueueingBeamFnDataClient, reset it to avoid its set of inbound clients from growing without bound.
Posted by GitBox <gi...@apache.org>.
amaliujia commented on a change in pull request #14458:
URL: https://github.com/apache/beam/pull/14458#discussion_r610057710
##########
File path: sdks/java/harness/src/main/java/org/apache/beam/fn/harness/data/QueueingBeamFnDataClient.java
##########
@@ -141,6 +138,11 @@ public void drainAndBlock() throws Exception {
return this.mainClient.send(apiServiceDescriptor, outputLocation, coder);
}
+ /** Resets this object so that it may be reused. */
+ public void reset() {
+ inboundDataClients.clear();
Review comment:
I don't have better opinion but sounds like recreating this object make sense?
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[GitHub] [beam] amaliujia merged pull request #14458: [BEAM-12117] When reusing QueueingBeamFnDataClient, reset it to avoid its set of inbound clients from growing without bound.
Posted by GitBox <gi...@apache.org>.
amaliujia merged pull request #14458:
URL: https://github.com/apache/beam/pull/14458
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[GitHub] [beam] amaliujia commented on pull request #14458: [BEAM-12117] When reusing QueueingBeamFnDataClient, reset it to avoid its set of inbound clients from growing without bound.
Posted by GitBox <gi...@apache.org>.
amaliujia commented on pull request #14458:
URL: https://github.com/apache/beam/pull/14458#issuecomment-816880278
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[GitHub] [beam] kennknowles commented on pull request #14458: [BEAM-12117] When reusing QueueingBeamFnDataClient, reset it to avoid its set of inbound clients from growing without bound.
Posted by GitBox <gi...@apache.org>.
kennknowles commented on pull request #14458:
URL: https://github.com/apache/beam/pull/14458#issuecomment-815118471
Run ULR Loopback ValidatesRunner
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[GitHub] [beam] amaliujia commented on a change in pull request #14458: [BEAM-12117] When reusing QueueingBeamFnDataClient, reset it to avoid its set of inbound clients from growing without bound.
Posted by GitBox <gi...@apache.org>.
amaliujia commented on a change in pull request #14458:
URL: https://github.com/apache/beam/pull/14458#discussion_r610001518
##########
File path: sdks/java/harness/src/main/java/org/apache/beam/fn/harness/data/QueueingBeamFnDataClient.java
##########
@@ -141,6 +138,11 @@ public void drainAndBlock() throws Exception {
return this.mainClient.send(apiServiceDescriptor, outputLocation, coder);
}
+ /** Resets this object so that it may be reused. */
+ public void reset() {
+ inboundDataClients.clear();
Review comment:
Is there a need to check if InboundDataClients are done?
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[GitHub] [beam] scwhittle commented on a change in pull request #14458: [BEAM-12117] When reusing QueueingBeamFnDataClient, reset it to avoid its set of inbound clients from growing without bound.
Posted by GitBox <gi...@apache.org>.
scwhittle commented on a change in pull request #14458:
URL: https://github.com/apache/beam/pull/14458#discussion_r610032672
##########
File path: sdks/java/harness/src/main/java/org/apache/beam/fn/harness/data/QueueingBeamFnDataClient.java
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@@ -141,6 +138,11 @@ public void drainAndBlock() throws Exception {
return this.mainClient.send(apiServiceDescriptor, outputLocation, coder);
}
+ /** Resets this object so that it may be reused. */
+ public void reset() {
+ inboundDataClients.clear();
Review comment:
I was thinking it was safe since it we won't be in drainAndBlock at this point.
However I think you're right that there are bugs if any of the inboundDataClients are not complete and may still append to the queue. This seems like it could happen if in drainAndComplete we fail inboundClients, but they still could be adding to the queue.
So priori to and with this cl there is a bug in reusing this object due to previous clients adding to the queue as it is used for another bundle :(
Trying to coordinate shutdown on reset seems more complicated than just recreating this object instead of reusing it. What do you think?
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[GitHub] [beam] amaliujia commented on pull request #14458: [BEAM-12117] When reusing QueueingBeamFnDataClient, reset it to avoid its set of inbound clients from growing without bound.
Posted by GitBox <gi...@apache.org>.
amaliujia commented on pull request #14458:
URL: https://github.com/apache/beam/pull/14458#issuecomment-816868224
LGTM
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[GitHub] [beam] amaliujia commented on pull request #14458: [BEAM-12117] When reusing QueueingBeamFnDataClient, reset it to avoid its set of inbound clients from growing without bound.
Posted by GitBox <gi...@apache.org>.
amaliujia commented on pull request #14458:
URL: https://github.com/apache/beam/pull/14458#issuecomment-816874580
I can merge this PR by end of today if there is no more comment
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