HBASE-27715 Refactoring the long tryAdvanceEntry method in WALEntrySt… by Apache9 · Pull Request #5105 · apache/hbase

Apache9 · 2023-03-14T15:47:07Z

…ream

Apache9 · 2023-03-14T15:48:04Z

- return HasNext.RETRY;
- }
- Pair<WALTailingReader.State, Boolean> p = readNextEntryAndRecordReaderPosition();
- state = pair.getFirst();


There is a typo, this maybe the problem why some replication related tests are unstable...

Apache-HBase · 2023-03-14T16:29:14Z

🎊 +1 overall

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Apache-HBase · 2023-03-14T20:10:50Z

🎊 +1 overall

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infraio · 2023-03-15T01:54:03Z

+ assert !pair.getSecond();
+ if (!state.eof()) {
+ // we still have something to read after reopen
+ return HasNext.YES;


// just sleep a bit and retry to see if there are new entries coming since the file is // still being written return HasNext.RETRY;"
When state not eof, the return value changed from HasNext.RETRY to HasNext.YES?

This should also be a problem in the old code. We should return something here but in the old code, we just fall into the next switch section...
And after consideration, I think here we also need to consider whether there are errors, let me update the code.

Updated. Will return RETRY if there are errors, otherwise return YES. If still get EOF, we can dequeue the current file.

…ream

2005hithlj

LGTM

Apache-HBase · 2023-03-15T07:12:48Z

🎊 +1 overall

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+1 💚	javac	2m 23s	the patch passed
+1 💚	checkstyle	0m 35s	the patch passed
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	hadoopcheck	12m 13s	Patch does not cause any errors with Hadoop 3.2.4 3.3.4.
+1 💚	spotless	0m 41s	patch has no errors when running spotless:check.
+1 💚	spotbugs	1m 34s	the patch passed
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+1 💚	asflicense	0m 9s	The patch does not generate ASF License warnings.
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GITHUB PR	#5105
Optional Tests	dupname asflicense javac spotbugs hadoopcheck hbaseanti spotless checkstyle compile
uname	Linux 0f918569bd0e 5.4.0-144-generic #161-Ubuntu SMP Fri Feb 3 14:49:04 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
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Apache-HBase · 2023-03-15T10:44:30Z

🎊 +1 overall

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+1 💚	mvninstall	2m 52s	the patch passed
+1 💚	compile	0m 41s	the patch passed
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Apache-HBase · 2023-03-15T11:00:25Z

🎊 +1 overall

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+1 💚	mvninstall	3m 20s	the patch passed
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+1 💚	shadedjars	4m 22s	patch has no errors when building our shaded downstream artifacts.
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Optional Tests	javac javadoc unit shadedjars compile
uname	Linux ed9a14a76c32 5.4.0-144-generic #161-Ubuntu SMP Fri Feb 3 14:49:04 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
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Apache9 · 2023-03-15T13:46:44Z

OK, good, all green. Let me merge.

…ream (#5105) Signed-off-by: Liangjun He <heliangjun@apache.org> (cherry picked from commit 1f2e1f5)

Apache9 commented Mar 14, 2023
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Apache9 self-assigned this Mar 15, 2023

infraio reviewed Mar 15, 2023
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2005hithlj self-requested a review March 15, 2023 02:53

HBASE-27715 Refactoring the long tryAdvanceEntry method in WALEntrySt…
33a0e00
…ream

2005hithlj approved these changes Mar 15, 2023
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Apache9 force-pushed the HBASE-27715 branch from 8e9ac79 to 33a0e00Compare March 15, 2023 06:29

Apache9 merged commit 1f2e1f5 into apache:masterMar 15, 2023

Apache9 added a commit that referenced this pull request Mar 15, 2023
HBASE-27715Refactoring the long tryAdvanceEntry method in WALEntrySt…
ef8a981
…ream (#5105) Signed-off-by: Liangjun He <heliangjun@apache.org> (cherry picked from commit 1f2e1f5)

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HBASE-27715 Refactoring the long tryAdvanceEntry method in WALEntrySt… - #5105

HBASE-27715 Refactoring the long tryAdvanceEntry method in WALEntrySt…#5105
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