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HDFS-9332. Fix Precondition failures from NameNodeEditLogRoller while saving namespace.

This commit is contained in:
Andrew Wang 2015-10-29 11:30:47 -07:00
parent 8def51a708
commit 888c6245e2
2 changed files with 4 additions and 3 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -2196,6 +2196,9 @@ Release 2.8.0 - UNRELEASED
HDFS-9044. Give Priority to FavouredNodes , before selecting
nodes from FavouredNode's Node Group (J.Andreina via vinayakumarb)
HDFS-9332. Fix Precondition failures from NameNodeEditLogRoller while
saving namespace. (wang)
Release 2.7.2 - UNRELEASED
INCOMPATIBLE CHANGES

4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
View File

@ -3729,9 +3729,7 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
public void run() {
while (fsRunning && shouldRun) {
try {
FSEditLog editLog = getFSImage().getEditLog();
long numEdits =
editLog.getLastWrittenTxId() - editLog.getCurSegmentTxId();
long numEdits = getTransactionsSinceLastLogRoll();
if (numEdits > rollThreshold) {
FSNamesystem.LOG.info("NameNode rolling its own edit log because"
+ " number of edits in open segment exceeds threshold of "