JeongDaeKim commented on a change in pull request #980: HBASE-23205 Correctly
update the position of WALs currently being replicated
URL: https://github.com/apache/hbase/pull/980#discussion_r363610492
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File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.java
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@@ -635,15 +650,13 @@ private void checkBandwidthChangeAndResetThrottler() {
protected void shipEdits(WALEntryBatch entryBatch) {
List<Entry> entries = entryBatch.getWalEntries();
long lastReadPosition = entryBatch.getLastWalPosition();
- currentPath = entryBatch.getLastWalPath();
+ lastLoggedPath = entryBatch.getLastWalPath();
int sleepMultiplier = 0;
if (entries.isEmpty()) {
- if (lastLoggedPosition != lastReadPosition) {
- updateLogPosition(lastReadPosition);
- // if there was nothing to ship and it's not an error
- // set "ageOfLastShippedOp" to <now> to indicate that we're current
- metrics.setAgeOfLastShippedOp(EnvironmentEdgeManager.currentTime(),
walGroupId);
- }
+ updateLogPosition(lastReadPosition);
Review comment:
It won't be updated with the same value repeatably. entryReader will put a
batch only when read position is changed.
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