Home | About | Sematext search-lucene.com search-hadoop.com
clear query|facets|time Search criteria: .   Results from 91 to 100 from 249 (0.084s).
Loading phrases to help you
refine your search...
[HBASE-5164] Better HTable resource consumption in CoprocessorHost - HBase - [issue]
...HBASE-4805 allows for more control over HTable's resource consumption.This is currently not used by CoprocessorHost (even though it would even be more critical to control this inside the Reg...
http://issues.apache.org/jira/browse/HBASE-5164    Author: Lars Hofhansl, 2013-12-08, 04:41
[HBASE-7347] Allow multiple readers per storefile - HBase - [issue]
...Currently each store file is read only through the single reader regardless of how many concurrent read requests access that file.This issue is to explore alternate designs....
http://issues.apache.org/jira/browse/HBASE-7347    Author: Lars Hofhansl, 2013-12-08, 02:01
[HBASE-6476] Replace all occurrances of System.currentTimeMillis() with EnvironmentEdge equivalent - HBase - [issue]
...There are still some areas where System.currentTimeMillis() is used in HBase. In order to make all parts of the code base testable and (potentially) to be able to configure HBase's notion of...
http://issues.apache.org/jira/browse/HBASE-6476    Author: Lars Hofhansl, 2013-12-08, 01:37
[HBASE-9553] Pad HFile blocks to a fixed size before placing them into the blockcache - HBase - [issue]
...In order to make it easy on the garbage collector and to avoid full compaction phases we should make sure that all (or at least a large percentage) of the HFile blocks as cached in the block...
http://issues.apache.org/jira/browse/HBASE-9553    Author: Lars Hofhansl, 2013-12-08, 01:36
[HBASE-9840] Large scans and BlockCache evictions problems - HBase - [issue]
...I just ran into a scenario that baffled me first, but after some reflection makes sense. I ran a very large scan that filled up most of the block cache with my scan's data. I ran that scan a...
http://issues.apache.org/jira/browse/HBASE-9840    Author: Lars Hofhansl, 2013-12-03, 21:31
[HBASE-10060] Unsynchronized scanning - HBase - [issue]
...HBASE-10015 has some lengthy discussion. The solution there ended up replacing synchronized with ReentrantLock, which - somewhat surprisingly - yielded a non-trivial improvement for tall tab...
http://issues.apache.org/jira/browse/HBASE-10060    Author: Lars Hofhansl, 2013-12-01, 09:03
[HBASE-9915] Performance: isSeeked() in EncodedScannerV2 always returns false - HBase - [issue]
...While debugging why reseek is so slow I found that it is quite broken for encoded scanners.The problem is this:AbstractScannerV2.reseekTo(...) calls isSeeked() to check whether scanner was s...
http://issues.apache.org/jira/browse/HBASE-9915    Author: Lars Hofhansl, 2013-11-30, 03:11
[HBASE-5954] Allow proper fsync support for HBase - HBase - [issue]
...At least get recommendation into 0.96 doc and some numbers running w/ this hdfs feature enabled....
http://issues.apache.org/jira/browse/HBASE-5954    Author: Lars Hofhansl, 2013-11-29, 05:35
[HBASE-7141] Cleanup Increment and Append issues - HBase - [issue]
...Append and Increment should take a TS for their update phase Append should access a timerange for the read phase Increment should no longer implement Writable (in trunk) Increment and Append...
http://issues.apache.org/jira/browse/HBASE-7141    Author: Lars Hofhansl, 2013-11-27, 23:35
[HBASE-10015] Replace intrinsic locking with explicit locks in StoreScanner - HBase - [issue]
...Did some more profiling (this time with a sampling profiler) and StoreScanner.peek() showed up a lot in the samples. At first that was surprising, but peek is synchronized, so it seems a lot...
http://issues.apache.org/jira/browse/HBASE-10015    Author: Lars Hofhansl, 2013-11-27, 21:42
Sort:
project
HBase (249)
HDFS (3)
Hadoop (1)
type
issue (236)
mail # dev (11)
mail # user (2)
date
last 7 days (0)
last 30 days (6)
last 90 days (21)
last 6 months (53)
last 9 months (249)
author
Ted Yu (1259)
Stack (966)
Jean-Daniel Cryans (735)
Andrew Purtell (721)
stack (670)
Jean-Marc Spaggiari (320)
Jimmy Xiang (308)
Jonathan Hsieh (291)
Elliott Clark (247)
Enis Soztutar (245)
lars hofhansl (241)
Lars Hofhansl (237)
Nicolas Liochon (200)
Nick Dimiduk (198)
Sergey Shelukhin (195)
Doug Meil (189)
Todd Lipcon (183)
Lars George (173)
Matteo Bertozzi (165)
ramkrishna.s.vasudevan (160)
Anoop Sam John (142)
Ryan Rawson (142)
Jonathan Gray (134)
Jesse Yates (104)
Michael Segel (90)