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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-3628) Add upper bound on threads for TThreadPoolServer; too many have run into the OOME can't create native thread because thrift spawns w/o bound
Date Sat, 12 Mar 2011 19:28:59 GMT
Add upper bound on threads for TThreadPoolServer; too many have run into the OOME can't create
native thread because thrift spawns w/o bound
--------------------------------------------------------------------------------------------------------------------------------------------

                 Key: HBASE-3628
                 URL: https://issues.apache.org/jira/browse/HBASE-3628
             Project: HBase
          Issue Type: Bug
            Reporter: stack


See tail of this thread:

http://search-hadoop.com/m/Ooyif0dZ89/major+hdfs+issues&subj=Re+major+hdfs+issues

We need to hack in something like the below:

{code}
diff --git a/src/main/java/org/apache/hadoop/hbase/thrift/ThriftServer.java b/src/main/java/org/apache/hadoop/hbase/thrift/ThriftServer.java
index 06621ab..74856af 100644
--- a/src/main/java/org/apache/hadoop/hbase/thrift/ThriftServer.java
+++ b/src/main/java/org/apache/hadoop/hbase/thrift/ThriftServer.java
@@ -69,6 +69,7 @@ import org.apache.hadoop.hbase.thrift.generated.TRegionInfo;
 import org.apache.hadoop.hbase.thrift.generated.TRowResult;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.thrift.TException;
+import org.apache.thrift.TProcessorFactory;
 import org.apache.thrift.protocol.TBinaryProtocol;
 import org.apache.thrift.protocol.TCompactProtocol;
 import org.apache.thrift.protocol.TProtocolFactory;
@@ -911,9 +912,25 @@ public class ThriftServer {
       } else {
         transportFactory = new TTransportFactory();
       }
-
-      LOG.info("starting HBase ThreadPool Thrift server on " + listenAddress + ":" + Integer.toString(listenPort));
-      server = new TThreadPoolServer(processor, serverTransport, transportFactory, protocolFactory);
+      TThreadPoolServer.Options poolServerOptions =
+        new TThreadPoolServer.Options();
+      int maxWorkerThreads = Integer.MAX_VALUE;
+      if (cmd.hasOption("maxWorkerThreads")) {
+        try {
+          maxWorkerThreads =
+            Integer.parseInt(cmd.getOptionValue("maxWorkerThreads", "" + Integer.MAX_VALUE));
+        } catch (NumberFormatException e) {
+          LOG.error("Could not parse maxWorkerThreads option", e);
+          printUsageAndExit(options, -1);
+        }
+      }
+      poolServerOptions.maxWorkerThreads = maxWorkerThreads;
+      LOG.info("starting HBase ThreadPool Thrift server on " + listenAddress +
+        ":" + Integer.toString(listenPort) +
+        ", maxWorkerThreads=" + maxWorkerThreads);
+      server = new TThreadPoolServer(processor, serverTransport,
+        transportFactory, transportFactory, protocolFactory, protocolFactory,
+        poolServerOptions);
     }
{code}

...only with better factoring AND exposing other options in Options; they look useful.



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