Apache9 commented on code in PR #5119:
URL: https://github.com/apache/hbase/pull/5119#discussion_r1144173305
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hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/AsyncFSWAL.java:
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@@ -778,32 +774,35 @@ private void waitForSafePoint() {
}
}
- protected final long closeWriter(AsyncWriter writer, Path path) {
- if (writer != null) {
- inflightWALClosures.put(path.getName(), writer);
- long fileLength = writer.getLength();
- closeExecutor.execute(() -> {
- try {
- writer.close();
- } catch (IOException e) {
- LOG.warn("close old writer failed", e);
- } finally {
- inflightWALClosures.remove(path.getName());
- }
- });
- return fileLength;
- } else {
- return 0L;
- }
+ private void closeWriter(AsyncWriter writer, Path path) {
+ inflightWALClosures.put(path.getName(), writer);
+ closeExecutor.execute(() -> {
+ try {
+ writer.close();
+ } catch (IOException e) {
+ LOG.warn("close old writer failed", e);
+ } finally {
+ // call this even if the above close fails, as there is no other
chance we can set closed to
+ // true, it will not cause big problems.
+ markClosedAndClean(path);
+ inflightWALClosures.remove(path.getName());
+ }
+ });
}
@Override
protected void doReplaceWriter(Path oldPath, Path newPath, AsyncWriter
nextWriter)
throws IOException {
Preconditions.checkNotNull(nextWriter);
waitForSafePoint();
- long oldFileLen = closeWriter(this.writer, oldPath);
- logRollAndSetupWalProps(oldPath, newPath, oldFileLen);
+ if (writer != null) {
+ long oldFileLen = writer.getLength();
+ logRollAndSetupWalProps(oldPath, newPath, oldFileLen);
+ closeWriter(writer, oldPath);
+ } else {
+ logRollAndSetupWalProps(oldPath, newPath, 0);
Review Comment:
Add some comments about this in code.
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