[hbase] branch branch-2.2 updated: HBASE-21721 reduce write#syncs() times (#2093)

[anoopsamjohn]

This is an automated email from the ASF dual-hosted git repository.

anoopsamjohn pushed a commit to branch branch-2.2
in repository https://gitbox.apache.org/repos/asf/hbase.git


The following commit(s) were added to refs/heads/branch-2.2 by this push:
     new 3a38e82  HBASE-21721 reduce write#syncs() times (#2093)
3a38e82 is described below

commit 3a38e82b53ce67181b68485cd7c4991193be3494
Author: Bo Cui <cuibo0...@163.com>
AuthorDate: Mon Aug 10 20:42:27 2020 +0800

    HBASE-21721 reduce write#syncs() times (#2093)
    
    Signed-off-by: Anoop <anoopsamj...@apache.org>
    Signed-off-by: stack <st...@apache.org>
---
 .../main/java/org/apache/hadoop/hbase/regionserver/wal/FSHLog.java    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git 
a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSHLog.java
 
b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSHLog.java
index 1794a25..442d876 100644
--- 
a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSHLog.java
+++ 
b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/FSHLog.java
@@ -584,8 +584,12 @@ public class FSHLog extends AbstractFSWAL<Writer> {
           Throwable lastException = null;
           try {
             TraceUtil.addTimelineAnnotation("syncing writer");
+            long unSyncedFlushSeq = highestUnsyncedTxid;
             writer.sync(takeSyncFuture.isForceSync());
             TraceUtil.addTimelineAnnotation("writer synced");
+            if (unSyncedFlushSeq > currentSequence) {
+              currentSequence = unSyncedFlushSeq;
+            }
             currentSequence = updateHighestSyncedSequence(currentSequence);
           } catch (IOException e) {
             LOG.error("Error syncing, request close of WAL", e);