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HBASE-7706 Remove reservation blocks from region server (Ted Yu) 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1440183 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Zhihong Yu 2013-01-29 22:18:13 +00:00
parent 554d5d239b
commit eacea17618
2 changed files with 0 additions and 15 deletions
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3
hbase-common/src/main/java/org/apache/hadoop/hbase/HConstants.java
View File

@ -287,9 +287,6 @@ public final class HConstants {
public static final boolean DEFAULT_HREGION_EDITS_REPLAY_SKIP_ERRORS =
false;
/** Default size of a reservation block */
public static final int DEFAULT_SIZE_RESERVATION_BLOCK = 1024 * 1024 * 5;
/** Maximum value length, enforced on KeyValue construction */
public static final int MAXIMUM_VALUE_LENGTH = Integer.MAX_VALUE - 1;

12
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
View File

@ -342,13 +342,6 @@ public class HRegionServer implements ClientProtocol,
/** region server configuration name */
public static final String REGIONSERVER_CONF = "regionserver_conf";
/*
* Space is reserved in HRS constructor and then released when aborting to
* recover from an OOME. See HBASE-706. TODO: Make this percentage of the heap
* or a minimum.
*/
private final LinkedList<byte[]> reservedSpace = new LinkedList<byte[]>();
private MetricsRegionServer metricsRegionServer;
/*
@ -728,10 +721,6 @@ public class HRegionServer implements ClientProtocol,
try {
initializeZooKeeper();
initializeThreads();
int nbBlocks = conf.getInt("hbase.regionserver.nbreservationblocks", 4);
for (int i = 0; i < nbBlocks; i++) {
reservedSpace.add(new byte[HConstants.DEFAULT_SIZE_RESERVATION_BLOCK]);
}
} catch (Throwable t) {
// Call stop if error or process will stick around for ever since server
// puts up non-daemon threads.
@ -1735,7 +1724,6 @@ public class HRegionServer implements ClientProtocol,
LOG.fatal(msg);
}
this.abortRequested = true;
this.reservedSpace.clear();
// HBASE-4014: show list of coprocessors that were loaded to help debug
// regionserver crashes.Note that we're implicitly using
// java.util.HashSet's toString() method to print the coprocessor names.