[HDFS-7570] DataXceiver could leak FileDescriptor

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Not A Problem
• Assignee: Unassigned
• Reporter: Juan Yu
• Created: 24/Dec/14 20:28
• Updated: 14/Jan/15 15:28
• Resolved: 01/Jan/15 01:38

Description

DataXceiver doesn't close inputstream all the time, There could be FD leakage and overtime cause FDs exceed limit.

finally {
      if (LOG.isDebugEnabled()) {
        LOG.debug(datanode.getDisplayName() + ":Number of active connections is: "
            + datanode.getXceiverCount());
      }
      updateCurrentThreadName("Cleaning up");
      if (peer != null) {
        dataXceiverServer.closePeer(peer);
        IOUtils.closeStream(in);
      }
    }