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java.net.SocketTimeoutException: read(2) error: Resource temporarily unavailable - Hadoop - [mail # user]
...I use hbase-0.94 and hadoop-2.2, there is below exception:2014-07-04 12:43:49,700 WARN org.apache.hadoop.hdfs.DFSClient: failed toconnect toDomainSocket(fd=322,path=/home/hadoop/hadoop-curre...
   Author: lei liu, 2014-07-07, 01:35
hdfs cache - Hadoop - [mail # user]
...I use hadoop-2.4, I want use the hdfs cache function.I use "ulimit -l  32212254720" linux command to  set size of max lockedmemory, but there is below error: ulimit  -l &...
   Author: lei liu, 2014-04-21, 09:52
FileChannel.map与directbyteBuffer分析 - Hadoop - [mail # user]
... 转发: 转发:回复:答复:Forest5的OOM的原因的初步分析 From 孙宇(洪熙) To 刘磊(慕飒) Recipients [EMAIL PROTECTED]  发件人: 莫简豪 [mailto:[EMAIL PROTECTED]] 发送时间: 2014年3月18日 11:40收件人: 淘宝-核心系统研发-专用计算组主题: 转发:回复:答复:Forest5的...
   Author: lei liu, 2014-04-15, 03:51
[expand - 1 more] - Re: heterogeneous storages in HDFS - Hadoop - [mail # user]
...When is hadoop released£¿2014-04-14 17:04 GMT+08:00 Stanley Shi : ...
   Author: lei liu, 2014-04-14, 09:48
download hadoop-2.4 - Hadoop - [mail # user]
...Hadoop-2.4 is release, where can I download the hadoop-2.4 code from?Thanks,LiuLei ...
   Author: lei liu, 2014-04-11, 02:23
HDFS Client write data is slow - Hadoop - [mail # user]
...I use Hbase-0.94 and hadoop-2.0.I install one HDFS cluster that have 15 datanodes. If network bandwidth oftwo datanodes is saturation(example 100m/s),  writing performance of the entire...
   Author: lei liu, 2014-02-25, 01:59
datanode is slow - Hadoop - [mail # user]
...I use Hbase0.94 and CDH4. There are 25729 tcp connections in onemachine,example:hadoop@apayhbs081 ~ $ netstat -a | wc -l25729The linux configration is :       soft  ...
   Author: lei liu, 2014-02-20, 16:44
umount bad disk - Hadoop - [mail # user]
...I use HBase0.96 and CDH4.3.1.I use Short-Circuit Local Read:  dfs.client.read.shortcircuit  true  dfs.domain.socket.path  /home/hadoop/cdh4-dn-socket/...
   Author: lei liu, 2014-02-13, 09:04
hadoop security - Hadoop - [mail # user]
...There is DelegationToken in hadoop2. What is the role of  DelegationToken and how to use the DelegationToken ?  Thanks,  LiuLei...
   Author: lei liu, 2013-11-11, 09:40
dynamic configuration - Hadoop - [mail # user]
...There is ReconfigurationServlet class in hadoop-2.0.5.  How I to use the function for NameNode and DataNode?  Thanks,  LiuLei...
   Author: lei liu, 2013-08-15, 04:01
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB