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: compactions.   Results from 71 to 80 from 918 (0.222s).
Did you mean:
SpellChecker(?): compaction 
Loading phrases to help you
refine your search...
[expand - 3 more] - What is HBase compaction-queue-size at all? - HBase - [mail # user]
...Any one knows what compaction queue size is meant?  By doc's definition:  *9.2.5.* hbase.regionserver.compactionQueueSize Size of the compaction queue. This is the number of stores...
... in the region that have been targeted for compaction.      - Is it the *number of Store* of regionserver need to be major compacted    ? or numbers of which is* being* compacted currently ?  I have...
[+ show more]
   Author: 林煒清, 2013-12-02, 06:00
[expand - 4 more] - Major Compaction Causes Cluster Failure - HBase - [mail # user]
...Hi all -  A couple of nights ago I enabled cron jobs to run major compactions against a few of the tables that I use in HBase.  This has caused multiple worker machines on the cluster...
... to fail.  Based on the compaction or losing the worker nodes, many of the regions are stuck in transition with a state of PENDING_CLOSE.  I believe resetting HBase master will solve that, which...
[+ show more]
   Author: Scott Whitecross, 2010-09-17, 16:14
[expand - 8 more] - Effect of turning major compactions off.. - HBase - [mail # user]
...Are there any side effects to turning major compactions off, other than jus t a hit in the read performance?  I was trying to merge a 120 Gig update (modify/insert/delete operations...
...) in to a 2 TB fully compacted Hbase table with 5 region servers using a map red uce job.. Each RS was serving around 2000 regions (256 MB max size)... Majo r compactions were turned off before...
[+ show more]
   Author: Vidhyashankar Venkatarama..., 2010-05-26, 16:07
[expand - 6 more] - Reducing impact of compactions on read performance - HBase - [mail # user]
... of the time the bulk update has no impact on overall HBase performance.  A few times during the day, usually during peak load times, the bulk update seems to result in a (minor?) compaction which has...
... a huge impact on random read performance.  Read throughput drops from ~4000 reads/sec down to ~1000 reads/sec.  I'm wondering what strategies we can use to reduce the impact of compactions...
[+ show more]
   Author: James Baldassari, 2010-05-18, 05:47
[expand - 1 more] - major_compact progress report ? - HBase - [mail # user]
...Hello,  I'm trying to apply major_compact on some of my tables to enable GZ  compression on the fly.  when I do:  $ major_compact 'table"  I don't see any info and I know how to follow...
... the progress of the  compaction. Is it instantaneous (I guess not)? Is there a log file  where I can see the progress of the operation?  When I count the number of regions of my table, it is still...
[+ show more]
   Author: Vincent Barat, 2010-02-08, 16:23
[expand - 2 more] - compaction does not reduce the number of regions - HBase - [mail # user]
...Hi guys,  We have a table which stored previously uncompressed data which we changed to store GZ-compressed data. We performed a compaction on that table which shrank its size three...
...-fold. However, I noticed that compaction reduced the size of the region, but did not reduce the number of regions.  My questions is: 1. How does the scan performance (and also random read performance...
   Author: Boris Aleksandrovsky, 2010-02-11, 17:59
[expand - 5 more] - Major Compaction in 0.90.6 - HBase - [mail # user]
...Hi guys, I have the following questions in HBASE 0.90.6  1. Does hbase use only one compaction thread to handle both major and minor compaction?  2. If hbase uses multiple compaction...
... threads, which configuration parameter defines the number of compaction threads?  3. After hbase.majorcompaction.interval from last major compaction ,if major compaction is executed on a table...
[+ show more]
   Author: Monish r, 2013-08-19, 09:48
[expand - 1 more] - 【region compaction check key-bound or not】 - HBase - [mail # user]
...Hi,all  If Region process splits, it will make a reference.After executing child region makes a compaction that absorbs all the reference. And I have a question that how to make differences...
... when executes scanner. As we know that Compaction uses the scanner as well, so whether to set the startKey and endKey of child region's bound, in order to guarantee that the storefile in child...
   Author: Bing Jiang, 2013-07-10, 11:25
[expand - 2 more] - Re: how can i do compaction manually? - HBase - [mail # user]
...major_compact command can also compact selected region.  Take a look at the sample at the beginning of: ./src/main/ruby/shell/commands/major_compact.rb  Cheers  On Mon, Jul 1, 2013 at 10...
   Author: Ted Yu, 2013-07-01, 03:00
[expand - 4 more] - On source code of File Section mechanism in minor compaction - HBase - [mail # user]
...Hi, All I am asking the source code showing the file selection mechanism for minor compaction in HBase. I am aware that HBase minor compaction selects file based on size and generation time...
   Author: yun peng, 2013-04-11, 14:52
HBase (918)
Cassandra (251)
Accumulo (121)
Hive (41)
Kafka (28)
Hadoop (20)
Spark (18)
Avro (17)
MapReduce (9)
HDFS (8)
Pig (8)
Impala (7)
Phoenix (4)
Zookeeper (3)
Drill (2)
Flume (2)
Sqoop (2)
mail # user (915)
issue (480)
mail # dev (266)
javadoc (72)
source code (65)
wiki (5)
last 7 days (1)
last 30 days (4)
last 90 days (26)
last 6 months (66)
last 9 months (918)
Jean-Daniel Cryans (57)
Stack (55)
Ted Yu (38)
Jean-Marc Spaggiari (31)
lars hofhansl (22)
Ryan Rawson (15)
Andrew Purtell (12)
Doug Meil (12)
Michael Segel (11)
Vidhyashankar Venkatarama...(10)
Bryan Beaudreault (9)
yun peng (8)
Alex Baranau (7)
Asaf Mesika (7)
Buttler, David (7)
Harsh J (7)
Jack Levin (7)
Jinsong Hu (7)
Matt Corgan (7)
Amit Sela (6)
Dmitriy Lyubimov (6)
Jonathan Gray (6)
Lars George (6)
Otis Gospodnetic (6)
Varun Sharma (6)
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