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fix:shutdown stuck when there is error on the flush path#831
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stephaniewang526 merged 2 commits intogoogleapis:masterfrom Feb 16, 2021
yirutang:fix1
Merged
fix:shutdown stuck when there is error on the flush path#831stephaniewang526 merged 2 commits intogoogleapis:masterfrom yirutang:fix1
stephaniewang526 merged 2 commits intogoogleapis:masterfrom
yirutang:fix1
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…l to release the requests in the queue, causing shutdown to wait forever
Codecov Report
@@ Coverage Diff @@
## master #831 +/- ##
============================================
+ Coverage 81.10% 81.14% +0.04%
Complexity 996 996
============================================
Files 74 74
Lines 5346 5347 +1
Branches 415 415
============================================
+ Hits 4336 4339 +3
+ Misses 839 838 -1
+ Partials 171 170 -1
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stephaniewang526
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Feb 16, 2021
yayi-google
reviewed
Feb 16, 2021
| public void onError(Throwable t) { | ||
| LOG.fine("OnError called"); | ||
| if (streamWriter.shutdown.get()) { | ||
| abortInflightRequests(t); |
Contributor
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There are two more issues:
- Even if you abort the inflight request here, the shutdown can still add more requests through writeAllOutstanding();
- Besides, it is also possible that another thread is calling append, and will contribute another stuck request at https://screenshot.googleplex.com/7pmsyb2zyKDEaGF
yayi-google
reviewed
Feb 16, 2021
...igquerystorage/src/test/java/com/google/cloud/bigquery/storage/v1beta2/StreamWriterTest.java
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yayi-google
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Feb 16, 2021
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| ApiFuture<AppendRowsResponse> appendFuture1 = sendTestMessage(writer, new String[] {"A"}); | ||
| ApiFuture<AppendRowsResponse> appendFuture2 = sendTestMessage(writer, new String[] {"B"}); | ||
| Thread.sleep(5000L); |
| Thread.sleep(5000L); | ||
| fakeExecutor.advanceTime(Duration.ofSeconds(20)); | ||
| // Shutdown writer immediately and there will be some error happened when flushing the queue. | ||
| writer.shutdown(); |
Contributor
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I don't understand this. You advance the time before shutdown. So even in the old code path before your fix, you can reduce the only inflight requests in the queue and unblock. Will this unit test block before your fix?
Please think carefully how to write a unit test.
shubhwip
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Oct 7, 2023
🤖 I have created a release *beep* *boop* --- ### Updating meta-information for bleeding-edge SNAPSHOT release. --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).
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…l to release the requests in the queue, causing shutdown to wait forever
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Fixes #<issue_number_goes_here> ☕️