[GitHub] [hbase] cuibo01 commented on a change in pull request #2143: HBASE-21721 reduce write#syncs() times

[GitBox]

cuibo01 commented on a change in pull request #2143:
URL: https://github.com/apache/hbase/pull/2143#discussion_r467419075



##########
File path: 
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSHLog.java
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@@ -1317,8 +1317,12 @@ public void run() {
           Throwable lastException = null;
           try {
             Trace.addTimelineAnnotation("syncing writer");
+            long unSyncedFlushSeq = highestUnsyncedSequence;

Review comment:
       yeah ， may change during writer.sync




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