Surendra Singh Lilhore created HDFS-14179: ---------------------------------------------
Summary: BlockReaderRemote#readNextPacket() should log the waiting time for packet read. Key: HDFS-14179 URL: https://issues.apache.org/jira/browse/HDFS-14179 Project: Hadoop HDFS Issue Type: Bug Components: hdfs-client Affects Versions: 3.0.0 Reporter: Surendra Singh Lilhore Sometime read is reported very slow due to disk or some other reason. {{BlockReaderRemote#readNextPacket()}} should print the datanode IP and waiting time in trace log. {code:java} //Read packet headers. packetReceiver.receiveNextPacket(in); PacketHeader curHeader = packetReceiver.getHeader(); curDataSlice = packetReceiver.getDataSlice(); assert curDataSlice.capacity() == curHeader.getDataLen(); LOG.trace("DFSClient readNextPacket got header {}", curHeader);{code} -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-dev-h...@hadoop.apache.org