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HDFS-4826. TestNestedSnapshots times out due to repeated slow edit log flushes when running on virtualized disk. Contributed by Chris Nauroth 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1483150 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Tsz-wo Sze 2013-05-16 02:00:03 +00:00
parent c9ace69cff
commit da05873e0e
2 changed files with 10 additions and 0 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -144,6 +144,9 @@ Trunk (Unreleased)
HDFS-347. DFS read performance suboptimal when client co-located on nodes HDFS-347. DFS read performance suboptimal when client co-located on nodes
with data. (Colin Patrick McCabe via todd and atm) with data. (Colin Patrick McCabe via todd and atm)
HDFS-4826. TestNestedSnapshots times out due to repeated slow edit log
flushes when running on virtualized disk. (Chris Nauroth via szetszwo)
OPTIMIZATIONS OPTIMIZATIONS
BUG FIXES BUG FIXES

7
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestNestedSnapshots.java
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@ -36,6 +36,7 @@ import org.apache.hadoop.hdfs.DistributedFileSystem;
import org.apache.hadoop.hdfs.MiniDFSCluster; import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.protocol.HdfsConstants; import org.apache.hadoop.hdfs.protocol.HdfsConstants;
import org.apache.hadoop.hdfs.protocol.NSQuotaExceededException; import org.apache.hadoop.hdfs.protocol.NSQuotaExceededException;
import org.apache.hadoop.hdfs.server.namenode.EditLogFileOutputStream;
import org.apache.hadoop.hdfs.server.namenode.FSDirectory; import org.apache.hadoop.hdfs.server.namenode.FSDirectory;
import org.apache.hadoop.hdfs.server.namenode.INode; import org.apache.hadoop.hdfs.server.namenode.INode;
import org.apache.hadoop.hdfs.server.namenode.INodeDirectory; import org.apache.hadoop.hdfs.server.namenode.INodeDirectory;
@ -48,6 +49,12 @@ import org.junit.Test;
/** Testing nested snapshots. */ /** Testing nested snapshots. */
public class TestNestedSnapshots { public class TestNestedSnapshots {
static {
// These tests generate a large number of edits, and repeated edit log
// flushes can be a bottleneck.
EditLogFileOutputStream.setShouldSkipFsyncForTesting(true);
}
{ {
SnapshotTestHelper.disableLogs(); SnapshotTestHelper.disableLogs();
} }