Home | About | Sematext search-lucene.com search-hadoop.com
clear query|facets|time Search criteria: .   Results from 61 to 70 from 123 (0.098s).
Loading phrases to help you
refine your search...
[HDFS-5558] LeaseManager monitor thread can crash if the last block is complete but another block is not. - HDFS - [issue]
...As mentioned in HDFS-5557, if a file has its last and penultimate block not completed and the file is being closed, the last block may be completed but the penultimate one might not. If this...
http://issues.apache.org/jira/browse/HDFS-5558    Author: Kihwal Lee, 2013-12-04, 13:39
Re: what is different between CorruptBlocks and MissingBlocks in NN FSNamesystem metrics? - HDFS - [mail # dev]
...Missing blocks are the blocks with no valid replicas. I.e. data is not available. Corrupt blocks are the ones with at least one corrupt replica. They may have healthy live replicas that are ...
   Author: Kihwal Lee, 2013-11-18, 15:48
[HDFS-4995] Make getContentSummary() less expensive - HDFS - [issue]
...When users call du or count DFS command, getContentSummary() method is called against namenode. If the directory has many directories and files, it could hold the namesystem lock for a long ...
http://issues.apache.org/jira/browse/HDFS-4995    Author: Kihwal Lee, 2013-11-15, 13:28
[HDFS-5438] Flaws in block report processing can cause data loss - HDFS - [issue]
...The incremental block reports from data nodes and block commits are asynchronous. This becomes troublesome when the gen stamp for a block is changed during a write pipeline recovery. If an i...
http://issues.apache.org/jira/browse/HDFS-5438    Author: Kihwal Lee, 2013-11-15, 13:28
[HDFS-5500] Critical datanode threads may terminate silently on uncaught exceptions - HDFS - [issue]
...We've seen refreshUsed (DU) thread disappearing on uncaught exceptions. This can go unnoticed for a long time.  If OOM occurs, more things can go wrong.  On one occasion, Timer, mu...
http://issues.apache.org/jira/browse/HDFS-5500    Author: Kihwal Lee, 2013-11-14, 00:36
[HDFS-5497] Performance may suffer when UnderReplicatedBlocks is used heavily - HDFS - [issue]
...Currently UnderReplicatedBlocks uses LightWeightLinkedSet with the default initial size of 16.  If there are a lot of under-replicated blocks, insertion and removal can be very expensiv...
http://issues.apache.org/jira/browse/HDFS-5497    Author: Kihwal Lee, 2013-11-11, 21:21
[HDFS-5346] Avoid unnecessary call to getNumLiveDataNodes() for each block during IBR processing - HDFS - [issue]
...When initial block reports are being processed, checkMode() is called from incrementSafeBlockCount(). This causes the replication queues to be initialized in the middle of processing a block...
http://issues.apache.org/jira/browse/HDFS-5346    Author: Kihwal Lee, 2013-10-17, 15:28
[HDFS-5047] Supress logging of full stack trace of quota and lease exceptions - HDFS - [issue]
...This is a follow up to HDFS-4714, which made a number of request-level exceptions to the "terse" list of the namenode rpc server.  I still see several exceptions causing full stack trac...
http://issues.apache.org/jira/browse/HDFS-5047    Author: Kihwal Lee, 2013-09-25, 00:33
[HDFS-5150] Allow per NN SPN for internal SPNEGO. - HDFS - [issue]
...For more flexible configuration of HA, the SPN for NN's internal SPNEGO needs to be per-nn. Currently the config should contain "_HOST" or configured differently per node.This change should ...
http://issues.apache.org/jira/browse/HDFS-5150    Author: Kihwal Lee, 2013-09-25, 00:33
[HDFS-5142] Namenode crashes with NPE in ReplicationMonitor - HDFS - [issue]
...When ReplicationMonitor creates and adds a replication work for a block, its INodeFile (0.23) or BlockCollection (2.x) is recorded. This is done under the FSN write lock, but the actual choo...
http://issues.apache.org/jira/browse/HDFS-5142    Author: Kihwal Lee, 2013-08-29, 22:27
HDFS (118)
Hadoop (65)
MapReduce (20)
YARN (6)
HBase (3)
Hive (1)
issue (110)
mail # dev (13)
last 7 days (2)
last 30 days (8)
last 90 days (27)
last 6 months (43)
last 9 months (123)
Todd Lipcon (326)
Eli Collins (263)
Harsh J (261)
Colin Patrick McCabe (235)
Tsz Wo (205)
Jing Zhao (173)
Chris Nauroth (166)
Aaron T. Myers (141)
Andrew Wang (139)
Suresh Srinivas (138)
Arpit Agarwal (137)
Brandon Li (135)
Haohui Mai (135)
Kihwal Lee (114)
Daryn Sharp (104)
Uma Maheswara Rao G (82)
Ted Yu (80)
Alejandro Abdelnur (70)
Akira AJISAKA (61)
Konstantin Shvachko (60)
Stephen Chu (57)
Tsz Wo Nicholas Sze (55)
Steve Loughran (52)
Yongjun Zhang (52)
Azuryy Yu (48)