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From ZhuGe <t...@outlook.com>
Subject hdfs ls command took more time to get response after update
Date Wed, 08 Apr 2015 03:11:48 GMT
Hi all:Recently, I updated my hadoop cluster from hadoop-2.0.0-cdh4.3.0 to  hadoop-2.5.0-cdh5.2.0.
It works fine, however, a small problem is, when i use the hadoop fs -ls command in the terminal
to get the list of files in the hdfs, it took much more time(10+ sec) to get the response
compared to 2-3 secs before i update the version of hadoop.( get is slow too)Can any one exaplain
a little bit of what might cause the problem or some configuration goes wrong?Below is the
log:
15/04/08 10:51:18 DEBUG util.Shell: setsid exited with exit code 015/04/08 10:51:18 DEBUG
conf.Configuration: parsing URL jar:file:/data/dbcenter/cdh5/hadoop-2.5.0-cdh5.2.0/share/hadoop/common/hadoop-common-2.5.0-cdh5.2.0.jar!/core-default.xml15/04/08
10:51:18 DEBUG conf.Configuration: parsing input stream sun.net.www.protocol.jar.JarURLConnection$JarURLInputStream@57316e8515/04/08
10:51:18 DEBUG conf.Configuration: parsing URL file:/data/dbcenter/cdh5/hadoop-2.5.0-cdh5.2.0/etc/hadoop/core-site.xml15/04/08
10:51:18 DEBUG conf.Configuration: parsing input stream java.io.BufferedInputStream@31818dbc15/04/08
10:51:19 DEBUG lib.MutableMetricsFactory: field org.apache.hadoop.metrics2.lib.MutableRate
org.apache.hadoop.security.UserGroupInformation$UgiMetrics.loginSuccess with annotation @org.apache.hadoop.metrics2.annotation.Metric(valueName=Time,
value=[Rate of successful kerberos logins and latency (milliseconds)], about=, type=DEFAULT,
always=false, sampleName=Ops)15/04/08 10:51:19 DEBUG lib.MutableMetricsFactory: field org.apache.hadoop.metrics2.lib.MutableRate
org.apache.hadoop.security.UserGroupInformation$UgiMetrics.loginFailure with annotation @org.apache.hadoop.metrics2.annotation.Metric(valueName=Time,
value=[Rate of failed kerberos logins and latency (milliseconds)], about=, type=DEFAULT, always=false,
sampleName=Ops)15/04/08 10:51:19 DEBUG lib.MutableMetricsFactory: field org.apache.hadoop.metrics2.lib.MutableRate
org.apache.hadoop.security.UserGroupInformation$UgiMetrics.getGroups with annotation @org.apache.hadoop.metrics2.annotation.Metric(valueName=Time,
value=[GetGroups], about=, type=DEFAULT, always=false, sampleName=Ops)15/04/08 10:51:19 DEBUG
impl.MetricsSystemImpl: UgiMetrics, User and group related metrics15/04/08 10:51:19 DEBUG
security.Groups:  Creating new Groups object15/04/08 10:51:19 DEBUG util.NativeCodeLoader:
Trying to load the custom-built native-hadoop library...15/04/08 10:51:19 DEBUG util.NativeCodeLoader:
Failed to load native-hadoop with error: java.lang.UnsatisfiedLinkError: no hadoop in java.library.path15/04/08
10:51:19 DEBUG util.NativeCodeLoader: java.library.path=/data/dbcenter/cdh5/hadoop-2.5.0-cdh5.2.0/lib/native15/04/08
10:51:19 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform...
using builtin-java classes where applicable15/04/08 10:51:19 DEBUG util.PerformanceAdvisory:
Falling back to shell based15/04/08 10:51:19 DEBUG security.JniBasedUnixGroupsMappingWithFallback:
Group mapping impl=org.apache.hadoop.security.ShellBasedUnixGroupsMapping15/04/08 10:51:19
DEBUG security.Groups: Group mapping impl=org.apache.hadoop.security.JniBasedUnixGroupsMappingWithFallback;
cacheTimeout=300000; warningDeltaMs=500015/04/08 10:51:19 DEBUG security.UserGroupInformation:
hadoop login15/04/08 10:51:19 DEBUG security.UserGroupInformation: hadoop login commit15/04/08
10:51:19 DEBUG security.UserGroupInformation: using local user:UnixPrincipal: test15/04/08
10:51:19 DEBUG security.UserGroupInformation: UGI loginUser:test (auth:SIMPLE)15/04/08 10:51:19
DEBUG hdfs.BlockReaderLocal: dfs.client.use.legacy.blockreader.local = false15/04/08 10:51:19
DEBUG hdfs.BlockReaderLocal: dfs.client.read.shortcircuit = false15/04/08 10:51:19 DEBUG hdfs.BlockReaderLocal:
dfs.client.domain.socket.data.traffic = false15/04/08 10:51:19 DEBUG hdfs.BlockReaderLocal:
dfs.domain.socket.path = 15/04/08 10:51:19 DEBUG hdfs.DFSClient: No KeyProvider found.15/04/08
10:51:19 DEBUG hdfs.HAUtil: No HA service delegation token found for logical URI hdfs://tccluster:802015/04/08
10:51:19 DEBUG hdfs.BlockReaderLocal: dfs.client.use.legacy.blockreader.local = false15/04/08
10:51:19 DEBUG hdfs.BlockReaderLocal: dfs.client.read.shortcircuit = false15/04/08 10:51:19
DEBUG hdfs.BlockReaderLocal: dfs.client.domain.socket.data.traffic = false15/04/08 10:51:19
DEBUG hdfs.BlockReaderLocal: dfs.domain.socket.path = 15/04/08 10:51:19 DEBUG retry.RetryUtils:
multipleLinearRandomRetry = null15/04/08 10:51:19 DEBUG ipc.Server: rpcKind=RPC_PROTOCOL_BUFFER,
rpcRequestWrapperClass=class org.apache.hadoop.ipc.ProtobufRpcEngine$RpcRequestWrapper, rpcInvoker=org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker@5a2611a615/04/08
10:51:19 DEBUG ipc.Client: getting client out of cache: org.apache.hadoop.ipc.Client@285d4a6a15/04/08
10:51:30 DEBUG util.PerformanceAdvisory: Both short-circuit local reads and UNIX domain socket
are disabled.15/04/08 10:51:30 DEBUG sasl.DataTransferSaslUtil: DataTransferProtocol not using
SaslPropertiesResolver, no QOP found in configuration for dfs.data.transfer.protection15/04/08
10:51:30 DEBUG ipc.Client: The ping interval is 60000 ms.15/04/08 10:51:30 DEBUG ipc.Client:
Connecting to master/192.168.1.13:802015/04/08 10:51:30 DEBUG ipc.Client: IPC Client (246890776)
connection to master/192.168.1.13:8020 from test: starting, having connections 115/04/08 10:51:30
DEBUG ipc.Client: IPC Client (246890776) connection to master/192.168.1.13:8020 from test
sending #015/04/08 10:51:30 DEBUG ipc.Client: IPC Client (246890776) connection to master/192.168.1.13:8020
from test got value #015/04/08 10:51:30 DEBUG ipc.ProtobufRpcEngine: Call: getFileInfo took
88ms15/04/08 10:51:30 DEBUG ipc.Client: IPC Client (246890776) connection to master/192.168.1.13:8020
from test sending #115/04/08 10:51:30 DEBUG ipc.Client: IPC Client (246890776) connection
to master/192.168.1.13:8020 from test got value #115/04/08 10:51:30 DEBUG ipc.ProtobufRpcEngine:
Call: getListing took 2ms15/04/08 10:51:30 DEBUG ipc.Client: stopping client from cache: org.apache.hadoop.ipc.Client@285d4a6a15/04/08
10:51:30 DEBUG ipc.Client: removing client from cache: org.apache.hadoop.ipc.Client@285d4a6a15/04/08
10:51:30 DEBUG ipc.Client: stopping actual client because no more references remain: org.apache.hadoop.ipc.Client@285d4a6a15/04/08
10:51:30 DEBUG ipc.Client: Stopping client15/04/08 10:51:30 DEBUG ipc.Client: IPC Client (246890776)
connection to master/192.168.1.13:8020 from test: closed15/04/08 10:51:30 DEBUG ipc.Client:
IPC Client (246890776) connection to master/192.168.1.13:8020 from test: stopped, remaining
connections 0
 		 	   		  
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