Home | About | Sematext search-lucene.com search-hadoop.com
clear query|facets|time Search criteria: .   Results from 11 to 20 from 417 (0.051s).
Loading phrases to help you
refine your search...
[HDFS-1056] Multi-node RPC deadlocks during block recovery - HDFS - [issue]
...Believe it or not, I'm seeing HADOOP-3657 / HADOOP-3673 in a 5-node 0.20 cluster. I have many concurrent writes on the cluster, and when I kill a DN, some percentage of the time I get one of...
http://issues.apache.org/jira/browse/HDFS-1056    Author: Todd Lipcon, 2014-07-30, 17:42
[HDFS-788] Datanode behaves badly when one disk is very low on space - HDFS - [issue]
...FSDataset.getNextVolume() uses FSVolume.getAvailable() to determine whether to allocate a block on a volume. This doesn't factor in other in-flight blocks that have been "promised" space on ...
http://issues.apache.org/jira/browse/HDFS-788    Author: Todd Lipcon, 2014-07-30, 01:00
[HDFS-864] Potential deadlock rolling edit logs - HDFS - [issue]
...FSEditLog.rollEditLog locks the log, then the FSImage. FSImage.close locks the image, then the log....
http://issues.apache.org/jira/browse/HDFS-864    Author: Todd Lipcon, 2014-07-29, 22:41
[HDFS-862] Potential NN deadlock in processDistributedUpgradeCommand - HDFS - [issue]
...Haven't seen this in practice, but the lock order is inconsistent. processReport locks FSNamesystem, then calls UpgradeManager.startUpgrade, getUpgradeState, and getUpgradeStatus (each of wh...
http://issues.apache.org/jira/browse/HDFS-862    Author: Todd Lipcon, 2014-07-29, 22:41
[HDFS-842] Serialize NN edits log as avro records - HDFS - [issue]
...Right now, the edits log is a mishmash of ad-hoc serialization and Writables. Switching it over to Avro records would be really useful for operator tools - an "offline edits viewer" would be...
http://issues.apache.org/jira/browse/HDFS-842    Author: Todd Lipcon, 2014-07-29, 22:17
[HDFS-460] Expose NN and DN hooks to service plugins - HDFS - [issue]
...This is the other half of the old HADOOP-5640 (Allow ServicePlugins to hook callbacks into key service events). It adds hooks to the NN and DN to expose certain events to plugins....
http://issues.apache.org/jira/browse/HDFS-460    Author: Todd Lipcon, 2014-07-23, 19:39
[HDFS-4324] Track and report out-of-date blocks separately from corrupt blocks - HDFS - [issue]
...Currently in various places (metrics, dfsadmin -report, fsck, logs) we use the term "corrupt" to refer to blocks which have an out-of-date generation stamp. Since out-of-date blocks are a fa...
http://issues.apache.org/jira/browse/HDFS-4324    Author: Todd Lipcon, 2014-07-10, 17:18
[HDFS-3528] Use native CRC32 in DFS write path - HDFS - [issue]
...HDFS-2080 improved the CPU efficiency of the read path by using native SSE-enabled code for CRC verification. Benchmarks of the write path show that it's often CPU bound by checksums as well...
http://issues.apache.org/jira/browse/HDFS-3528    Author: Todd Lipcon, 2014-07-07, 18:01
[HDFS-3862] QJM: don't require a fencer to be configured if shared storage has built-in single-writer semantics - HDFS - [issue]
...Currently, NN HA requires that the administrator configure a fencing method to ensure that only a single NameNode may write to the shared storage at a time. Some shared edits storage impleme...
http://issues.apache.org/jira/browse/HDFS-3862    Author: Todd Lipcon, 2014-07-01, 14:23
[HDFS-2882] DN continues to start up, even if block pool fails to initialize - HDFS - [issue]
...I started a DN on a machine that was completely out of space on one of its drives. I saw the following:2012-02-02 09:56:50,499 FATAL org.apache.hadoop.hdfs.server.datanode.DataNode: Initiali...
http://issues.apache.org/jira/browse/HDFS-2882    Author: Todd Lipcon, 2014-06-30, 09:18
Hadoop (507)
HBase (481)
HDFS (416)
MapReduce (262)
Hive (16)
Avro (12)
Accumulo (10)
Zookeeper (9)
YARN (6)
Cassandra (1)
Drill (1)
Sqoop (1)
issue (266)
mail # dev (85)
mail # user (66)
last 7 days (15)
last 30 days (19)
last 90 days (21)
last 6 months (31)
last 9 months (417)
Todd Lipcon (326)
Eli Collins (263)
Harsh J (261)
Colin Patrick McCabe (230)
Tsz Wo (206)
Chris Nauroth (166)
Jing Zhao (162)
Aaron T. Myers (141)
Suresh Srinivas (138)
Haohui Mai (135)
Andrew Wang (131)
Brandon Li (125)
Kihwal Lee (113)
Arpit Agarwal (110)
Daryn Sharp (100)
Uma Maheswara Rao G (79)
Ted Yu (74)
Alejandro Abdelnur (67)
Konstantin Shvachko (59)
Akira AJISAKA (55)
Stephen Chu (55)
Steve Loughran (51)
Yongjun Zhang (49)
Azuryy Yu (48)
Mohammad Tariq (46)