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[HDFS-7452] Can we skip getCorruptFiles() call for standby NameNode..? - HDFS - [issue]
...Seen following warns logs from StandBy Namenode logs ..2014-11-27 17:50:32,497 | WARN  | 512264920@qtp-429668078-606 | Get corrupt file blocks returned error: Operation category READ is...
http://issues.apache.org/jira/browse/HDFS-7452    Author: Brahma Reddy Battula, 2014-11-27, 09:21
[HDFS-7414] Namenode got shutdown and can't recover where edit update might be missed - HDFS - [issue]
...Scenario:========Was running mapreduce job.CPU usage crossed 190% for Datanode and machine became slow..and seen the following exception ..  Did not get the exact root cause, but as cpu...
http://issues.apache.org/jira/browse/HDFS-7414    Author: Brahma Reddy Battula, 2014-11-26, 12:49
[HDFS-7427] [fetchimage] Should give correct error message when it's not able flush the image file. - HDFS - [issue]
...Scenario:Start cluster in securemode and enable only HTTPSRun fectchimage command where user not having permission to access the folder.. From Namenode log 2014-11-24 16:46:49,072 | WAR...
http://issues.apache.org/jira/browse/HDFS-7427    Author: Brahma Reddy Battula, 2014-11-24, 09:20
[HDFS-7377] [ DataNode Web UI ] Metric page will not display anything.. - HDFS - [issue]
...Scenario :======Go to http://<DN_IP>:<http port>/dataNodeHome.jspand click on metrics link..we will not able to see any thing..Did not find reason..do we need to implent metric p...
http://issues.apache.org/jira/browse/HDFS-7377    Author: Brahma Reddy Battula, 2014-11-07, 13:54
[HDFS-7324] haadmin command usage prints incorrect command name - HDFS - [issue]
...Scenario:=======Try the help command for hadadmin like following..Here usage is coming as "DFSHAAdmin -ns", Ideally this not availble which we can check following command.[root@linux156 ...
http://issues.apache.org/jira/browse/HDFS-7324    Author: Brahma Reddy Battula, 2014-11-04, 15:14
[HDFS-3398] Client will not retry when primaryDN is down once it's just got pipeline - HDFS - [issue]
...Scenario:=========Start NN and three DN"SGet the datanode to which blocks has to be replicated.from nodes = nextBlockOutputStream(src);Before start writing to the DN ,kill the primary DN.// ...
http://issues.apache.org/jira/browse/HDFS-3398    Author: Brahma Reddy Battula, 2014-09-04, 01:59
[HDFS-4929] [NNBench mark] Lease mismatch error when running with multiple mappers - HDFS - [issue]
...Command :./yarn jar ../share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-2.0.1-tests.jar nnbench -operation create_write -numberOfFiles 1000 -blockSize 268435456 -bytesToWrite 1024000...
http://issues.apache.org/jira/browse/HDFS-4929    Author: Brahma Reddy Battula, 2014-07-31, 14:12
[HDFS-2892] Some of property descriptions are not given(hdfs-default.xml) - HDFS - [issue]
...Hi..I taken 23.0 release form http://hadoop.apache.org/common/releases.html#11+Nov%2C+2011%3A+release+0.23.0+availableI just gone through all properties provided in the hdfs-default.xml..Som...
http://issues.apache.org/jira/browse/HDFS-2892    Author: Brahma Reddy Battula, 2014-07-22, 04:26
[HDFS-3744] Decommissioned nodes are included in cluster after switch which is not expected - HDFS - [issue]
...Scenario:=========Start ANN and SNN with three DN'sExclude DN1 from cluster by using decommission feature (./hdfs dfsadmin -fs hdfs://ANNIP:8020 -refreshNodes)After decommission successful,d...
http://issues.apache.org/jira/browse/HDFS-3744    Author: Brahma Reddy Battula, 2014-07-16, 09:01
[HDFS-6641] [ HDFS- File Concat ] Concat will fail when target file is having one block which is not full - HDFS - [issue]
...sually we can't ensure lastblock alwaysfull...please let me know purpose of following check..    long blockSize = trgInode.getPreferredBlockSize();    // check ...
http://issues.apache.org/jira/browse/HDFS-6641    Author: Brahma Reddy Battula, 2014-07-15, 07:07
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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