HBASE-15451 Remove unnecessary wait in MVCC

2016-03-19 21:24:07 +08:00 · 2016-03-19 21:24:07 +08:00 · d2d8058ab3
parent 3a6d683d63
commit d2d8058ab3
1 changed files with 3 additions and 2 deletions
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MultiVersionConcurrencyControl.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MultiVersionConcurrencyControl.java
@ -145,9 +145,10 @@ public class MultiVersionConcurrencyControl {
   * of the passed in WriteEntry.  Thus, the write is visible to MVCC readers.
   */
  public void completeAndWait(WriteEntry e) {
-    complete(e);
+    if (!complete(e)) {
      waitForRead(e);
    }
+  }

  /**
   * Mark the {@link WriteEntry} as complete and advance the read point as much as possible.