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Posted to commits@hbase.apache.org by st...@apache.org on 2009/07/30 20:14:01 UTC
svn commit: r799397 - in /hadoop/hbase/branches/0.19: ./
src/java/org/apache/hadoop/hbase/ipc/
src/java/org/apache/hadoop/hbase/master/metrics/
src/java/org/apache/hadoop/hbase/regionserver/metrics/
Author: stack
Date: Thu Jul 30 18:14:00 2009
New Revision: 799397
URL: http://svn.apache.org/viewvc?rev=799397&view=rev
Log:
HBASE-1722 Add support for exporting HBase metrics via JMX
Added:
hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/ipc/HBaseRPCStatistics.java
hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/ipc/HBaseRPCStatisticsMBean.java
hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/master/metrics/MasterStatistics.java
hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/master/metrics/MasterStatisticsMBean.java
hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerStatistics.java
hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerStatisticsMBean.java
Modified:
hadoop/hbase/branches/0.19/CHANGES.txt
hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/ipc/HBaseRpcMetrics.java
hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/master/metrics/MasterMetrics.java
hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerMetrics.java
Modified: hadoop/hbase/branches/0.19/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/hbase/branches/0.19/CHANGES.txt?rev=799397&r1=799396&r2=799397&view=diff
==============================================================================
--- hadoop/hbase/branches/0.19/CHANGES.txt (original)
+++ hadoop/hbase/branches/0.19/CHANGES.txt Thu Jul 30 18:14:00 2009
@@ -30,6 +30,10 @@
too much
HBASE-1683 OOME on master splitting logs; stuck, won't go down
+ IMPROVEMENTS
+ HBASE-1722 Add support for exporting HBase metrics via JMX
+ (Gary Helmling via Stack)
+
Release 0.19.3 - May 27th, 2009
BUG FIXES
HBASE-1413 fall back to filesystem block size default if
Added: hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/ipc/HBaseRPCStatistics.java
URL: http://svn.apache.org/viewvc/hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/ipc/HBaseRPCStatistics.java?rev=799397&view=auto
==============================================================================
--- hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/ipc/HBaseRPCStatistics.java (added)
+++ hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/ipc/HBaseRPCStatistics.java Thu Jul 30 18:14:00 2009
@@ -0,0 +1,133 @@
+/**
+ * Copyright 2009 The Apache Software Foundation
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hbase.ipc;
+
+import javax.management.ObjectName;
+
+import org.apache.hadoop.metrics.util.MBeanUtil;
+
+/**
+ * Exports HBase RPC statistics recorded in {@link HBaseRpcMetrics} as an MBean
+ * for JMX monitoring.
+ */
+public class HBaseRPCStatistics implements HBaseRPCStatisticsMBean {
+ private final HBaseRpcMetrics rpcMetrics;
+ private final ObjectName mbeanName;
+ private final HBaseServer server;
+
+ public HBaseRPCStatistics(HBaseRpcMetrics metrics,
+ String hostName, String port, HBaseServer hbaseServer) {
+ rpcMetrics = metrics;
+
+ String name = String.format("RPCStatistics-%s",
+ (port != null ? port : "unknown"));
+
+ mbeanName = MBeanUtil.registerMBean("HBase", name, this);
+ server = hbaseServer;
+ }
+
+ public void shutdown() {
+ if (mbeanName != null)
+ MBeanUtil.unregisterMBean(mbeanName);
+ }
+
+ /**
+ * Returns average RPC processing time since reset was last called
+ */
+ @Override
+ public long getRpcProcessingTimeAverage() {
+ return rpcMetrics.rpcProcessingTime.getPreviousIntervalAverageTime();
+ }
+
+ /**
+ * The maximum RPC processing time for current update interval.
+ */
+ @Override
+ public long getRpcProcessingTimeMax() {
+ return rpcMetrics.rpcProcessingTime.getMaxTime();
+ }
+
+ /**
+ * The minimum RPC operation processing time since reset was last called
+ */
+ @Override
+ public long getRpcProcessingTimeMin() {
+ return rpcMetrics.rpcProcessingTime.getMinTime();
+ }
+
+ /**
+ * The number of RPC operations in the last sampling interval
+ */
+ @Override
+ public int getRpcNumOps() {
+ return rpcMetrics.rpcProcessingTime.getPreviousIntervalNumOps();
+ }
+
+ /**
+ * The average RPC operation queued time in the last sampling interval
+ */
+ @Override
+ public long getRpcQueueTimeAverage() {
+ return rpcMetrics.rpcQueueTime.getPreviousIntervalAverageTime();
+ }
+
+ /**
+ * The maximum RPC operation queued time since reset was last called
+ */
+ @Override
+ public long getRpcQueueTimeMax() {
+ return rpcMetrics.rpcQueueTime.getMaxTime();
+ }
+
+ /**
+ * The minimum RPC operation queued time since reset was last called
+ */
+ @Override
+ public long getRpcQueueTimeMin() {
+ return rpcMetrics.rpcQueueTime.getMinTime();
+ }
+
+ /**
+ * The number of RPC calls in the queue
+ */
+ @Override
+ public int getCallQueueLen() {
+ return server.getCallQueueLen();
+ }
+
+ /**
+ * The number of current RPC connections
+ */
+ @Override
+ public int getNumOpenConnections() {
+ return server.getNumOpenConnections();
+ }
+
+ /**
+ * Resets minimum and maximum values for RPC queue
+ * and processing timers.
+ */
+ @Override
+ public void resetAllMinMax() {
+ rpcMetrics.rpcProcessingTime.resetMinMax();
+ rpcMetrics.rpcQueueTime.resetMinMax();
+ }
+
+}
Added: hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/ipc/HBaseRPCStatisticsMBean.java
URL: http://svn.apache.org/viewvc/hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/ipc/HBaseRPCStatisticsMBean.java?rev=799397&view=auto
==============================================================================
--- hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/ipc/HBaseRPCStatisticsMBean.java (added)
+++ hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/ipc/HBaseRPCStatisticsMBean.java Thu Jul 30 18:14:00 2009
@@ -0,0 +1,78 @@
+/**
+ * Copyright 2009 The Apache Software Foundation
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hbase.ipc;
+
+/**
+ * JMX MBean interface for exporting statistics on HBase RPC calls
+ */
+public interface HBaseRPCStatisticsMBean {
+
+ /**
+ * Returns average RPC processing time since reset was last called
+ */
+ public long getRpcProcessingTimeAverage();
+
+ /**
+ * The maximum RPC processing time for current update interval.
+ */
+ public long getRpcProcessingTimeMax();
+
+ /**
+ * The minimum RPC operation processing time since reset was last called
+ */
+ public long getRpcProcessingTimeMin();
+
+ /**
+ * The number of RPC operations in the last sampling interval
+ */
+ public int getRpcNumOps();
+
+ /**
+ * The average RPC operation queued time in the last sampling interval
+ */
+ public long getRpcQueueTimeAverage();
+
+ /**
+ * The maximum RPC operation queued time since reset was last called
+ */
+ public long getRpcQueueTimeMax();
+
+ /**
+ * The minimum RPC operation queued time since reset was last called
+ */
+ public long getRpcQueueTimeMin();
+
+ /**
+ * Reset all min max times
+ */
+ void resetAllMinMax();
+
+ /**
+ * The number of open RPC conections
+ * @return the number of open rpc connections
+ */
+ public int getNumOpenConnections();
+
+ /**
+ * The number of rpc calls in the queue.
+ * @return The number of rpc calls in the queue.
+ */
+ public int getCallQueueLen();
+}
Modified: hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/ipc/HBaseRpcMetrics.java
URL: http://svn.apache.org/viewvc/hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/ipc/HBaseRpcMetrics.java?rev=799397&r1=799396&r2=799397&view=diff
==============================================================================
--- hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/ipc/HBaseRpcMetrics.java (original)
+++ hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/ipc/HBaseRpcMetrics.java Thu Jul 30 18:14:00 2009
@@ -47,6 +47,7 @@
public class HBaseRpcMetrics implements Updater {
private MetricsRecord metricsRecord;
private static Log LOG = LogFactory.getLog(HBaseRpcMetrics.class);
+ private final HBaseRPCStatistics rpcStatistics;
public HBaseRpcMetrics(String hostName, String port, HBaseServer server) {
MetricsContext context = MetricsUtil.getContext("rpc");
@@ -58,6 +59,8 @@
+ hostName + ", port=" + port);
context.registerUpdater(this);
+
+ rpcStatistics = new HBaseRPCStatistics(this, hostName, port, server);
}
@@ -98,6 +101,7 @@
}
public void shutdown() {
- // Nothing to do
+ if (rpcStatistics != null)
+ rpcStatistics.shutdown();
}
}
\ No newline at end of file
Modified: hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/master/metrics/MasterMetrics.java
URL: http://svn.apache.org/viewvc/hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/master/metrics/MasterMetrics.java?rev=799397&r1=799396&r2=799397&view=diff
==============================================================================
--- hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/master/metrics/MasterMetrics.java (original)
+++ hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/master/metrics/MasterMetrics.java Thu Jul 30 18:14:00 2009
@@ -37,7 +37,9 @@
public class MasterMetrics implements Updater {
private final Log LOG = LogFactory.getLog(this.getClass());
private final MetricsRecord metricsRecord;
-
+ private final MasterStatistics masterStatistics;
+
+
/*
* Count of requests to the cluster since last call to metrics update
*/
@@ -51,11 +53,16 @@
metricsRecord.setTag("Master", name);
context.registerUpdater(this);
JvmMetrics.init("Master", name);
+
+ // expose the MBean for metrics
+ masterStatistics = new MasterStatistics(this);
+
LOG.info("Initialized");
}
public void shutdown() {
- // nought to do.
+ if (masterStatistics != null)
+ masterStatistics.shutdown();
}
/**
Added: hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/master/metrics/MasterStatistics.java
URL: http://svn.apache.org/viewvc/hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/master/metrics/MasterStatistics.java?rev=799397&view=auto
==============================================================================
--- hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/master/metrics/MasterStatistics.java (added)
+++ hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/master/metrics/MasterStatistics.java Thu Jul 30 18:14:00 2009
@@ -0,0 +1,49 @@
+/**
+ * Copyright 2009 The Apache Software Foundation
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hbase.master.metrics;
+
+import javax.management.ObjectName;
+
+import org.apache.hadoop.metrics.util.MBeanUtil;
+
+/**
+ * Exports the {@link MasterMetrics} statistics as an MBean
+ * for JMX.
+ */
+public class MasterStatistics implements MasterStatisticsMBean {
+ private final MasterMetrics metrics;
+ private final ObjectName mbeanName;
+
+ public MasterStatistics(MasterMetrics masterMetrics) {
+ metrics = masterMetrics;
+ mbeanName = MBeanUtil.registerMBean("Master", "MasterStatistics", this);
+ }
+
+ public void shutdown() {
+ if (mbeanName != null)
+ MBeanUtil.unregisterMBean(mbeanName);
+ }
+
+ @Override
+ public int getClusterRequests() {
+ return metrics.getRequests();
+ }
+
+}
Added: hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/master/metrics/MasterStatisticsMBean.java
URL: http://svn.apache.org/viewvc/hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/master/metrics/MasterStatisticsMBean.java?rev=799397&view=auto
==============================================================================
--- hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/master/metrics/MasterStatisticsMBean.java (added)
+++ hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/master/metrics/MasterStatisticsMBean.java Thu Jul 30 18:14:00 2009
@@ -0,0 +1,33 @@
+/**
+ * Copyright 2009 The Apache Software Foundation
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hbase.master.metrics;
+
+/**
+ * JMX interface for runtime statistics exported by the HBase Master,
+ * mirroring {@link MasterMetrics}.
+ */
+public interface MasterStatisticsMBean {
+
+ /**
+ * Returns the number of requests to the cluster since the
+ * last metrics update.
+ */
+ public int getClusterRequests();
+}
Modified: hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerMetrics.java
URL: http://svn.apache.org/viewvc/hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerMetrics.java?rev=799397&r1=799396&r2=799397&view=diff
==============================================================================
--- hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerMetrics.java (original)
+++ hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerMetrics.java Thu Jul 30 18:14:00 2009
@@ -46,7 +46,9 @@
private final MetricsRecord metricsRecord;
private long lastUpdate = System.currentTimeMillis();
private static final int MB = 1024*1024;
-
+
+ private final RegionServerStatistics statistics;
+
/**
* Count of regions carried by this regionserver
*/
@@ -87,13 +89,18 @@
context.registerUpdater(this);
// Add jvmmetrics.
JvmMetrics.init("RegionServer", name);
+
+ // export for JMX
+ statistics = new RegionServerStatistics(this, name);
+
LOG.info("Initialized");
}
-
+
public void shutdown() {
- // nought to do.
+ if (statistics != null)
+ statistics.shutdown();
}
-
+
/**
* Since this object is a registered updater, this method will be called
* periodically, e.g. every 5 seconds.
@@ -110,7 +117,7 @@
this.metricsRecord.update();
this.lastUpdate = System.currentTimeMillis();
}
-
+
public void resetAllMinMax() {
// Nothing to do
}
Added: hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerStatistics.java
URL: http://svn.apache.org/viewvc/hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerStatistics.java?rev=799397&view=auto
==============================================================================
--- hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerStatistics.java (added)
+++ hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerStatistics.java Thu Jul 30 18:14:00 2009
@@ -0,0 +1,87 @@
+/**
+ * Copyright 2009 The Apache Software Foundation
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hbase.regionserver.metrics;
+
+import javax.management.ObjectName;
+
+import org.apache.hadoop.metrics.util.MBeanUtil;
+
+/**
+ * Exports metrics recorded by {@link RegionServerMetrics} as an MBean
+ * for JMX monitoring.
+ */
+public class RegionServerStatistics implements RegionServerStatisticsMBean {
+
+ private final RegionServerMetrics rsMetrics;
+ private final ObjectName mbeanName;
+
+ public RegionServerStatistics(RegionServerMetrics metrics, String rsName) {
+ rsMetrics = metrics;
+ mbeanName = MBeanUtil.registerMBean("RegionServer", "RegionServerStatistics", this);
+ }
+
+ public void shutdown() {
+ if (mbeanName != null)
+ MBeanUtil.unregisterMBean(mbeanName);
+ }
+
+ /**
+ * Count of regions carried by this regionserver
+ */
+ public int getRegionsNum() {
+ return rsMetrics.regions.get();
+ }
+
+ /**
+ * Count of requests to the regionservers since last call to metrics update
+ */
+ public float getRequestsRate() {
+ return rsMetrics.getRequests();
+ }
+
+ /**
+ * Count of stores open on the regionserver.
+ */
+ public int getStoresNum() {
+ return rsMetrics.stores.get();
+ }
+
+ /**
+ * Count of storefiles open on the regionserver.
+ */
+ public int getStoreFilesNum() {
+ return rsMetrics.storefiles.get();
+ }
+
+ /**
+ * Sum of all the storefile index sizes in this regionserver in MB
+ */
+ public int getStoreFileIndexSizeMB() {
+ return rsMetrics.storefileIndexSizeMB.get();
+ }
+
+ /**
+ * Sum of all the memcache sizes in this regionserver in MB
+ */
+ public int getMemcacheSizeMB() {
+ return rsMetrics.memcacheSizeMB.get();
+ }
+
+}
Added: hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerStatisticsMBean.java
URL: http://svn.apache.org/viewvc/hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerStatisticsMBean.java?rev=799397&view=auto
==============================================================================
--- hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerStatisticsMBean.java (added)
+++ hadoop/hbase/branches/0.19/src/java/org/apache/hadoop/hbase/regionserver/metrics/RegionServerStatisticsMBean.java Thu Jul 30 18:14:00 2009
@@ -0,0 +1,58 @@
+/**
+ * Copyright 2009 The Apache Software Foundation
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hbase.regionserver.metrics;
+
+
+/**
+ * JMX interface for exporting RegionServer statistics.
+ */
+public interface RegionServerStatisticsMBean {
+
+ /**
+ * Count of regions carried by this regionserver
+ */
+ public int getRegionsNum();
+
+ /*
+ * Count of requests to the regionservers since last call to metrics update
+ */
+ public float getRequestsRate();
+
+ /**
+ * Count of stores open on the regionserver.
+ */
+ public int getStoresNum();
+
+ /**
+ * Count of storefiles open on the regionserver.
+ */
+ public int getStoreFilesNum();
+
+ /**
+ * Sum of all the storefile index sizes in this regionserver in MB
+ */
+ public int getStoreFileIndexSizeMB();
+
+ /**
+ * Sum of all the memcache sizes in this regionserver in MB
+ */
+ public int getMemcacheSizeMB();
+
+}