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HBASE-8948 Bound table pool size in Thrift 2 server 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1505321 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Lars George 2013-07-21 09:30:52 +00:00
parent 4fa2e6c37c
commit 53ed511717
2 changed files with 21 additions and 11 deletions
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29
hbase-common/src/main/resources/hbase-default.xml
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@ -864,21 +864,30 @@ possible configurations would overwhelm and obscure the important.
After that, the server starts dropping connections.</description>
</property>
<property>
<name>hbase.thrift.maxQueuedRequests</name>
<value>1000</value>
<description>The maximum number of pending Thrift connections waiting in the queue. If
<name>hbase.thrift.maxQueuedRequests</name>
<value>1000</value>
<description>The maximum number of pending Thrift connections waiting in the queue. If
there are no idle threads in the pool, the server queues requests. Only
when the queue overflows, new threads are added, up to
hbase.thrift.maxQueuedRequests threads.</description>
</property>
<property>
<name>hbase.offheapcache.percentage</name>
<value>0</value>
<description>The amount of off heap space to be allocated towards the experimental
</property>
<property>
<name>hbase.thrift.htablepool.size.max</name>
<value>1000</value>
<description>The upper bound for the table pool used in the Thrift gateways server.
Since this is per table name, we assume a single table and so with 1000 default
worker threads max this is set to a matching number. For other workloads this number
can be adjusted as needed.
</description>
</property>
<property>
<name>hbase.offheapcache.percentage</name>
<value>0</value>
<description>The amount of off heap space to be allocated towards the experimental
off heap cache. If you desire the cache to be disabled, simply set this
value to 0.</description>
</property>
<property>
</property>
<property>
<name>hbase.data.umask.enable</name>
<value>false</value>
<description>Enable, if true, that file permissions should be assigned

3
hbase-server/src/main/java/org/apache/hadoop/hbase/thrift2/ThriftHBaseServiceHandler.java
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@ -99,7 +99,8 @@ public class ThriftHBaseServiceHandler implements THBaseService.Iface {
}
ThriftHBaseServiceHandler(Configuration conf) {
htablePool = new HTablePool(conf, Integer.MAX_VALUE);
int maxPoolSize = conf.getInt("hbase.thrift.htablepool.size.max", 1000);
htablePool = new HTablePool(conf, maxPoolSize);
}
private HTableInterface getTable(ByteBuffer tableName) {