Author: tgraves
Date: Mon Jun 4 15:14:27 2012
New Revision: 1346002
URL: http://svn.apache.org/viewvc?rev=1346002&view=rev
Log:
MAPREDUCE-4301. Dedupe some strings in MRAM for memory savings (bobby via
tgraves)
Modified:
hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/split/SplitMetaInfoReader.java
Modified: hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
URL:
http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt?rev=1346002&r1=1346001&r2=1346002&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt Mon Jun 4
15:14:27 2012
@@ -377,6 +377,9 @@ Release 0.23.3 - UNRELEASED
MAPREDUCE-4162. Correctly set token service (Daryn Sharp via bobby)
+ MAPREDUCE-4301. Dedupe some strings in MRAM for memory savings
+ (bobby via tgraves)
+
OPTIMIZATIONS
MAPREDUCE-3850. Avoid redundant calls for tokens in TokenCache (Daryn
Modified:
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/split/SplitMetaInfoReader.java
URL:
http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/split/SplitMetaInfoReader.java?rev=1346002&r1=1346001&r2=1346002&view=diff
==============================================================================
---
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/split/SplitMetaInfoReader.java
(original)
+++
hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/split/SplitMetaInfoReader.java
Mon Jun 4 15:14:27 2012
@@ -47,6 +47,7 @@ public class SplitMetaInfoReader {
long maxMetaInfoSize =
conf.getLong(JTConfig.JT_MAX_JOB_SPLIT_METAINFO_SIZE,
10000000L);
Path metaSplitFile = JobSubmissionFiles.getJobSplitMetaFile(jobSubmitDir);
+ String jobSplitFile =
JobSubmissionFiles.getJobSplitFile(jobSubmitDir).toString();
FileStatus fStatus = fs.getFileStatus(metaSplitFile);
if (maxMetaInfoSize > 0 && fStatus.getLen() > maxMetaInfoSize) {
throw new IOException("Split metadata size exceeded " +
@@ -70,7 +71,7 @@ public class SplitMetaInfoReader {
JobSplit.SplitMetaInfo splitMetaInfo = new JobSplit.SplitMetaInfo();
splitMetaInfo.readFields(in);
JobSplit.TaskSplitIndex splitIndex = new JobSplit.TaskSplitIndex(
- JobSubmissionFiles.getJobSplitFile(jobSubmitDir).toString(),
+ jobSplitFile,
splitMetaInfo.getStartOffset());
allSplitMetaInfo[i] = new JobSplit.TaskSplitMetaInfo(splitIndex,
splitMetaInfo.getLocations(),
