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fix: close GRPC channel when we dispose of clients #779

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merged 18 commits into from
Dec 15, 2019

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schmidt-sebastian
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See #768, especially #768 (comment)

This is a "Request for comments" PR if this is a viable strategy to dispose of unused GRPC clients, in the hope that this will mitigate memory leaks. If feasible, some of the code in this PR needs to be pushed upstream to the Gapic generator.

@googlebot googlebot added the cla: yes This human has signed the Contributor License Agreement. label Oct 8, 2019
@schmidt-sebastian schmidt-sebastian changed the title Call GrpcClient.close() when we dispose of clients fix: close GRPC channel when we dispose of clients Oct 8, 2019
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FYI @thebrianchen

@@ -401,7 +401,8 @@ export class Firestore {

logger('Firestore', null, 'Initialized Firestore GAPIC Client');
return client;
}
},
/* clientDestructor= */ (client: GapicClient) => client.close()
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hmmm - do we really have .close()? :)

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Not yet - but this PR shows how we could add it. We still have to add it to the Gapic generator though (if you are okay with the general direction).

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@alexander-fenster Do you know what the next sets of steps would be if we wanted to add this support?

@schmidt-sebastian schmidt-sebastian changed the base branch from master to typescript December 15, 2019 02:09
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@alexander-fenster PR rebased against the Typescript branch and updated.

@schmidt-sebastian schmidt-sebastian changed the base branch from typescript to master December 15, 2019 12:19
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codecov bot commented Dec 15, 2019

Codecov Report

Merging #779 into master will decrease coverage by 0.01%.
The diff coverage is 90.9%.

Impacted file tree graph

@@            Coverage Diff             @@
##           master     #779      +/-   ##
==========================================
- Coverage   90.36%   90.35%   -0.02%     
==========================================
  Files          25       25              
  Lines        2814     2820       +6     
  Branches      707      707              
==========================================
+ Hits         2543     2548       +5     
- Misses        118      119       +1     
  Partials      153      153
Impacted Files Coverage Δ
dev/src/index.ts 96.66% <0%> (-0.3%) ⬇️
dev/src/pool.ts 97.95% <100%> (+0.23%) ⬆️

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@schmidt-sebastian schmidt-sebastian added the kokoro:force-run Add this label to force Kokoro to re-run the tests. label Dec 15, 2019
@kokoro-team kokoro-team removed the kokoro:force-run Add this label to force Kokoro to re-run the tests. label Dec 15, 2019
@schmidt-sebastian schmidt-sebastian merged commit 22ef0d0 into master Dec 15, 2019
@schmidt-sebastian schmidt-sebastian deleted the mrschmidt/shutdown branch December 15, 2019 21:41
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4 participants