Home | About | Sematext search-lucene.com search-hadoop.com
clear query|facets|time Search criteria: .   Results from 81 to 90 from 404 (0.051s).
Loading phrases to help you
refine your search...
[HDFS-4182] SecondaryNameNode leaks NameCache entries - HDFS - [issue]
...We recently saw an issue where a 2NN ran out of memory, even though it had a relatively small fsimage. When we looked at the heap dump, we saw that all of the memory had gone to entries in t...
http://issues.apache.org/jira/browse/HDFS-4182    Author: Todd Lipcon, 2013-02-06, 17:05
[HDFS-3874] Exception when client reports bad checksum to NN - HDFS - [issue]
...We see the following exception in our logs on a cluster:2012-08-27 16:34:30,400 INFO org.apache.hadoop.hdfs.StateChange: *DIR* NameNode.reportBadBlocks2012-08-27 16:34:30,400 ERROR org.apach...
http://issues.apache.org/jira/browse/HDFS-3874    Author: Todd Lipcon, 2013-01-28, 18:41
[HDFS-4417] HDFS-347: fix case where local reads get disabled incorrectly - HDFS - [issue]
...In testing HDFS-347 against HBase (thanks Jean-Daniel Cryans) we ran into the following case: a workload is running which puts a bunch of local sockets in the PeerCache the workload abates f...
http://issues.apache.org/jira/browse/HDFS-4417    Author: Todd Lipcon, 2013-01-24, 20:24
[HDFS-4403] DFSClient can infer checksum type when not provided by reading first byte - HDFS - [issue]
...HDFS-3177 added the checksum type to OpBlockChecksumResponseProto, but the new protobuf field is optional, with a default of CRC32. This means that this API, when used against an older clust...
http://issues.apache.org/jira/browse/HDFS-4403    Author: Todd Lipcon, 2013-01-22, 14:04
[HDFS-4418] HDFS-347: increase default FileInputStreamCache size - HDFS - [issue]
...The FileInputStreamCache currently defaults to holding only 10 input stream pairs (corresponding to 10 blocks). In many HBase workloads, the region server will be issuing random reads agains...
http://issues.apache.org/jira/browse/HDFS-4418    Author: Todd Lipcon, 2013-01-17, 23:11
[HDFS-3429] DataNode reads checksums even if client does not need them - HDFS - [issue]
...Currently, even if the client does not want to verify checksums, the datanode reads them anyway and sends them over the wire. This means that performance improvements like HBase's applicatio...
http://issues.apache.org/jira/browse/HDFS-3429    Author: Todd Lipcon, 2013-01-15, 13:20
[HDFS-3677] dfs.namenode.edits.dir.required missing from hdfs-default.xml - HDFS - [issue]
...This config should be documented. It's useful for cases where the user would like to ensure that (eg) an NFS filer always has the most up-to-date edits....
http://issues.apache.org/jira/browse/HDFS-3677    Author: Todd Lipcon, 2012-12-28, 03:49
[HDFS-3571] Allow EditLogFileInputStream to read from a remote URL - HDFS - [issue]
...In order to start up from remote edits storage (like the JournalNodes of HDFS-3077), the NN needs to be able to load edits from a URL, instead of just local disk. This JIRA extends EditLogFi...
http://issues.apache.org/jira/browse/HDFS-3571    Author: Todd Lipcon, 2012-12-11, 19:45
[HDFS-2525] Race between BlockPoolSliceScanner and append - HDFS - [issue]
...I wrote a test which runs append() in a loop on a single file with a single replica, appending 0~100 bytes each time. If this races with the BlockPoolSliceScanner, I observe the BlockPoolSli...
http://issues.apache.org/jira/browse/HDFS-2525    Author: Todd Lipcon, 2012-12-10, 22:28
[HDFS-3626] Creating file with invalid path can corrupt edit log - HDFS - [issue]
...Joris Bontje reports the following:The following command results in a corrupt NN editlog (note the double slash and reading from stdin):$ cat /usr/share/dict/words | hadoop fs -put - hdfs://...
http://issues.apache.org/jira/browse/HDFS-3626    Author: Todd Lipcon, 2012-12-04, 19:40
Sort:
project
Hadoop (507)
HBase (481)
HDFS (403)
MapReduce (262)
Hive (16)
Avro (12)
Accumulo (10)
Zookeeper (9)
YARN (6)
Cassandra (1)
Drill (1)
Sqoop (1)
type
issue (253)
mail # dev (85)
mail # user (66)
date
last 7 days (1)
last 30 days (5)
last 90 days (6)
last 6 months (17)
last 9 months (404)
author
Todd Lipcon (313)
Eli Collins (262)
Harsh J (261)
Colin Patrick McCabe (230)
Tsz Wo (207)
Chris Nauroth (166)
Jing Zhao (162)
Aaron T. Myers (141)
Suresh Srinivas (138)
Haohui Mai (135)
Andrew Wang (129)
Brandon Li (125)
Kihwal Lee (113)
Arpit Agarwal (109)
Daryn Sharp (99)
Uma Maheswara Rao G (79)
Ted Yu (74)
Alejandro Abdelnur (67)
Konstantin Shvachko (56)
Akira AJISAKA (54)
Stephen Chu (54)
Steve Loughran (51)
Azuryy Yu (48)
Yongjun Zhang (47)
Mohammad Tariq (46)