Apache9 commented on code in PR #4756:
URL: https://github.com/apache/hbase/pull/4756#discussion_r961713003
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hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/WALEntryStream.java:
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@@ -255,15 +255,21 @@ private void dequeueCurrentLog() throws IOException {
* Returns whether the file is opened for writing.
*/
private boolean readNextEntryAndRecordReaderPosition() throws IOException {
+ long prePos = reader.getPosition();
Review Comment:
I think this is a nice improvement that we can return earlier when there is
no data can be read. But I do not get the point that why here if we try to read
more data can lead to a problem? We could still hit EOFException when the
remaining data is not enough for a whole entry?
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