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Posted to common-commits@hadoop.apache.org by dh...@apache.org on 2008/08/27 03:05:25 UTC
svn commit: r689315 -
/hadoop/core/trunk/src/hdfs/org/apache/hadoop/hdfs/server/namenode/FSEditLog.java
Author: dhruba
Date: Tue Aug 26 18:05:24 2008
New Revision: 689315
URL: http://svn.apache.org/viewvc?rev=689315&view=rev
Log:
HADOOP-2330. Preallocate HDFS transaction log to improve performance.
Cleaned up debug logs.
Modified:
hadoop/core/trunk/src/hdfs/org/apache/hadoop/hdfs/server/namenode/FSEditLog.java
Modified: hadoop/core/trunk/src/hdfs/org/apache/hadoop/hdfs/server/namenode/FSEditLog.java
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/hdfs/org/apache/hadoop/hdfs/server/namenode/FSEditLog.java?rev=689315&r1=689314&r2=689315&view=diff
==============================================================================
--- hadoop/core/trunk/src/hdfs/org/apache/hadoop/hdfs/server/namenode/FSEditLog.java (original)
+++ hadoop/core/trunk/src/hdfs/org/apache/hadoop/hdfs/server/namenode/FSEditLog.java Tue Aug 26 18:05:24 2008
@@ -221,12 +221,12 @@
private void preallocate() throws IOException {
long position = fc.position();
if (position + 4096 >= fc.size()) {
- FSNamesystem.LOG.info("XXX Preallocating Edit log, current size " +
- fc.size());
+ FSNamesystem.LOG.debug("Preallocating Edit log, current size " +
+ fc.size());
long newsize = position + 1024*1024; // 1MB
fill.position(0);
int written = fc.write(fill, newsize);
- FSNamesystem.LOG.info("XXX Edit log size is now " + fc.size() +
+ FSNamesystem.LOG.debug("Edit log size is now " + fc.size() +
" written " + written + " bytes " +
" at offset " + newsize);
}