Home | About | Sematext search-lucene.com search-hadoop.com
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
clear query|facets|time Search criteria: .   Results from 31 to 40 from 258 (0.123s).
Loading phrases to help you
refine your search...
[HDFS-6957] Allow DFSClient to manually specify that a request should be traced - HDFS - [issue]
...Allow the DFSClient to manually specify that a request should be traced.  One easy way to do this might be to have a configuration property that the DFSClient reads which causes it to m...
http://issues.apache.org/jira/browse/HDFS-6957    Author: Colin Patrick McCabe, 2014-08-27, 22:04
[HDFS-6709] Implement off-heap data structures for NameNode and other HDFS memory optimization - HDFS - [issue]
...We should investigate implementing off-heap data structures for NameNode and other HDFS memory optimization.  These data structures could reduce latency by avoiding the long GC times th...
http://issues.apache.org/jira/browse/HDFS-6709    Author: Colin Patrick McCabe, 2014-07-28, 15:55
[HDFS-6750] The DataNode should use its shared memory segment to mark short-circuit replicas that have been unlinked as stale - HDFS - [issue]
...The DataNode should mark short-circuit replicas that have been unlinked as stale.  This would prevent replicas that had been deleted from lingering in the DFSClient cache.  (At lea...
http://issues.apache.org/jira/browse/HDFS-6750    Author: Colin Patrick McCabe, 2014-07-26, 15:59
[HDFS-3607] log a message when fuse_dfs is not built - HDFS - [issue]
...We should log a message when fuse_dfs is not built explaining why...
http://issues.apache.org/jira/browse/HDFS-3607    Author: Colin Patrick McCabe, 2014-07-25, 23:31
[HDFS-6450] Support non-positional hedged reads in HDFS - HDFS - [issue]
...HDFS-5776 added support for hedged positional reads.  We should also support hedged non-position reads (aka regular reads)....
http://issues.apache.org/jira/browse/HDFS-6450    Author: Colin Patrick McCabe, 2014-07-21, 21:03
[HDFS-6695] Investigate using Java 7's nonblocking file I/O in BlockReaderLocal to implement read timeouts - HDFS - [issue]
...In BlockReaderLocal, the "read" system call could block for a long time if the disk drive is having problems, or there is a huge amount of I/O contention.  This might cause poor latency...
http://issues.apache.org/jira/browse/HDFS-6695    Author: Colin Patrick McCabe, 2014-07-17, 19:20
[HDFS-5202] Support Centralized Cache Management on Windows. - HDFS - [issue]
...HDFS caching currently is implemented using POSIX syscalls for checking ulimit and locking pages of memory into the process's address space.  These POSIX syscalls do not exist on Window...
http://issues.apache.org/jira/browse/HDFS-5202    Author: Colin Patrick McCabe, 2014-07-11, 14:56
[HDFS-5049] Add JNI mlock support - HDFS - [issue]
...Add support for mlock and munlock, for use in caching....
http://issues.apache.org/jira/browse/HDFS-5049    Author: Colin Patrick McCabe, 2014-07-10, 20:12
[HDFS-4504] DFSOutputStream#close doesn't always release resources (such as leases) - HDFS - [issue]
...DFSOutputStream#close can throw an IOException in some cases.  One example is if there is a pipeline error and then pipeline recovery fails.  Unfortunately, in this case, some of t...
http://issues.apache.org/jira/browse/HDFS-4504    Author: Colin Patrick McCabe, 2014-07-10, 01:21
[HDFS-5546] race condition crashes "hadoop ls -R" when directories are moved/removed - HDFS - [issue]
...This seems to be a rare race condition where we have a sequence of events like this:1. org.apache.hadoop.shell.Ls calls DFS#getFileStatus on directory D.2. someone deletes or moves directory...
http://issues.apache.org/jira/browse/HDFS-5546    Author: Colin Patrick McCabe, 2014-06-25, 20:40
Sort:
project
HDFS (258)
Hadoop (104)
MapReduce (5)
Zookeeper (3)
HBase (2)
Spark (2)
Bigtop (1)
YARN (1)
type
issue (257)
mail # dev (1)
date
last 7 days (7)
last 30 days (11)
last 90 days (20)
last 6 months (32)
last 9 months (258)
author
Todd Lipcon (327)
Harsh J (265)
Eli Collins (263)
Colin Patrick McCabe (258)
Tsz Wo (200)
Jing Zhao (187)
Chris Nauroth (180)
Haohui Mai (177)
Arpit Agarwal (159)
Andrew Wang (151)
Brandon Li (145)
Aaron T. Myers (142)
Suresh Srinivas (140)
Kihwal Lee (125)
Daryn Sharp (112)
Ted Yu (104)
Tsz Wo Nicholas Sze (90)
Uma Maheswara Rao G (88)
Konstantin Shvachko (75)
Alejandro Abdelnur (73)
Yongjun Zhang (68)
Allen Wittenauer (63)
Akira AJISAKA (61)
Steve Loughran (60)
Vinayakumar B (60)
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