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[HDFS-6803] Documenting DFSClient#DFSInputStream expectations reading and preading in concurrent context - HDFS - [issue]
...Reviews of the patch posted the parent task suggest that we be more explicit about how DFSIS is expected to behave when being read by contending threads. It is also suggested that presumptio...
http://issues.apache.org/jira/browse/HDFS-6803    Author: stack, 2014-11-27, 14:26
[HDFS-4239] Means of telling the datanode to stop using a sick disk - HDFS - [issue]
...If a disk has been deemed 'sick' – i.e. not dead but wounded, failing occasionally, or just exhibiting high latency – your choices are:1. Decommission the total datanode.  I...
http://issues.apache.org/jira/browse/HDFS-4239    Author: stack, 2014-11-14, 20:04
[HDFS-721] ERROR Block blk_XXX_1030 already exists in state RBW and thus cannot be created - HDFS - [issue]
...Running some loading tests against hdfs branch-0.21 I got the following:2009-10-21 04:57:10,770 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving block blk_6345892463926159834_...
http://issues.apache.org/jira/browse/HDFS-721    Author: stack, 2014-07-29, 20:01
[HDFS-88] Hung on hdfs: writeChunk, DFSClient.java:2126, DataStreamer socketWrite - HDFS - [issue]
...We've seen this hang rare enough but when it happens it locks up the application.  We've seen it at least in 0.18.x and 0.19.x (we don't have much experience with 0.20.x hdfs yet).Here ...
http://issues.apache.org/jira/browse/HDFS-88    Author: stack, 2014-07-21, 22:42
[HDFS-6047] TestPread NPE inside in DFSInputStream hedgedFetchBlockByteRange - HDFS - [issue]
...Our Andrew Wang saw this on internal test cluster running trunk:java.lang.NullPointerException: null at org.apache.hadoop.hdfs.DFSInputStream.hedgedFetchBlockByteRange(DFSInputStream.java:11...
http://issues.apache.org/jira/browse/HDFS-6047    Author: stack, 2014-03-05, 14:54
[HDFS-5852] Change the colors on the hdfs UI - HDFS - [issue]
...The HDFS UI colors are too close to HWX green.Here is a patch that steers clear of vendor colors.I made it a blocker thinking this something we'd want to fix before we release apache hadoop ...
http://issues.apache.org/jira/browse/HDFS-5852    Author: stack, 2014-02-01, 22:36
[HDFS-4580] 0.95 site build failing with 'maven-project-info-reports-plugin: Could not find goal 'dependency-info'' - HDFS - [issue]
...Our report plugin is 2.4.  Says that 'dependency-info' is new since 2.5 on the mvn report page:project-info-reports:dependency-info (new in 2.5> is used to generate code snippets to b...
http://issues.apache.org/jira/browse/HDFS-4580    Author: stack, 2013-03-08, 20:37
[HDFS-4203] After recoverFileLease, datanode gets stuck complaining block '...has out of data GS ....may already be committed' - HDFS - [issue]
...After calling recoverFileLease, an append to a file gets stuck retying this:2012-11-16 13:06:14,298 DEBUG [IPC Server handler 2 on 53224] namenode.PendingReplicationBlocks(92): Removing pend...
http://issues.apache.org/jira/browse/HDFS-4203    Author: stack, 2012-11-16, 22:32
[HDFS-2296] If read error while lease is being recovered, client reverts to stale view on block info - HDFS - [issue]
...We are seeing the following issue around recoverLease over in hbaselandia.  DFSClient calls recoverLease to assume ownership of a file.  The recoverLease returns to the client but ...
http://issues.apache.org/jira/browse/HDFS-2296    Author: stack, 2012-08-24, 07:46
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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