Home | About | Sematext search-lucene.com search-hadoop.com
clear query|facets|time Search criteria: .   Results from 101 to 110 from 141 (0.263s).
Loading phrases to help you
refine your search...
Master server abort - HBase - [mail # user]
...This is happening in  one of our small QA cluster. HBase 0.94.6.1 (CDH 4.3.0)  1 master + 5 RS. Zk quorum is 1 (on master node)  We can not start the cluster:  In a log f...
   Author: Vladimir Rodionov, 2013-07-11, 18:10
[expand - 1 more] - RE: G1 before/after GC time graph - HBase - [mail # user]
...+1  1.8G heap is on a very low side. 32-64GB is more interesting cases.  Best regards, Vladimir Rodionov Principal Platform Engineer Carrier IQ, www.carrieriq.com e-mail: [EMAIL PR...
   Author: Vladimir Rodionov, 2013-07-11, 00:27
RE: GC recommendations for large Region Server heaps - HBase - [mail # user]
...Suraj, what is the maximum GC pause you have observed in your cluster so far? I do not think s-t-w GC pause on 8GB heap will lasts longer than 5-8 secs.  Best regards, Vladimir Rodionov...
   Author: Vladimir Rodionov, 2013-07-08, 18:33
RE: optimizing block cache requests + eviction - HBase - [mail # user]
...Viral,   1. your data access pattern is random and uniform (no data locality at all) 2. or you trash block cache with scan operations with block cache enabled.  or both.  but ...
   Author: Vladimir Rodionov, 2013-07-08, 17:45
RE: Hbase random read performance - HBase - [mail # user]
...Boris if your working set does not fit comfortably into 0.4 * 9 * 12GB ~ 43GB HBase cluster block cache ( and I suppose it does not, because it is less than 1% of your data set  ) - you...
   Author: Vladimir Rodionov, 2013-07-08, 17:32
[expand - 3 more] - RE: Poor HBase random read performance - HBase - [mail # dev]
...My bad, Bloom filters won't help to locate most recent version of a column.  So, back to my favorite LevelDB ... To locate most recent  version of a column, LevelDB must check &nbs...
   Author: Vladimir Rodionov, 2013-07-02, 00:09
RE: difference between major and minor compactions? - HBase - [mail # user]
...Major compactions floods network, leaving for other operations too little space. The reason why major compaction are so prohibitively expensive in HBase - 2 block replicas which need to be c...
   Author: Vladimir Rodionov, 2013-06-22, 23:23
RE: Scan performance - HBase - [mail # user]
...Lars, I thought that column family is the locality group and placement columns which are frequently accessed together into the same column family (locality group) is the obvious performance ...
   Author: Vladimir Rodionov, 2013-06-22, 00:00
RegionServer Statistics does seem right (0.94.6) - HBase - [mail # dev]
...This is what I see on my RS stats page (/rs-status):  requestsPerSecond=0, numberOfOnlineRegions=292, numberOfStores=299, numberOfStorefiles=112, storefileIndexSizeMB=2, rootIndexSizeKB...
   Author: Vladimir Rodionov, 2013-06-21, 21:39
RE: memstore timestamp and visible timestamp - HBase - [mail # dev]
...Time can go backwards. One time a year. By one hour. I may be wrong but it seems that the situation described by TS (memTS1 > me mTS2 and ts1  To: [EMAIL PROTECTED] Cc: "[EMAIL PROTE...
   Author: Vladimir Rodionov, 2012-08-03, 21:27
Sort:
project
HBase (141)
Spark (3)
Phoenix (1)
type
mail # dev (76)
mail # user (60)
issue (5)
date
last 7 days (0)
last 30 days (3)
last 90 days (8)
last 6 months (12)
last 9 months (141)
author
Ted Yu (1297)
Stack (972)
Jean-Daniel Cryans (734)
Andrew Purtell (733)
stack (667)
Jean-Marc Spaggiari (332)
Jimmy Xiang (308)
Jonathan Hsieh (289)
Elliott Clark (254)
lars hofhansl (249)
Enis Soztutar (246)
Lars Hofhansl (239)
Nick Dimiduk (205)
Nicolas Liochon (200)
Sergey Shelukhin (195)
Doug Meil (189)
Todd Lipcon (183)
Lars George (173)
ramkrishna.s.vasudevan (169)
Matteo Bertozzi (167)
Anoop Sam John (148)
Ryan Rawson (141)
Jonathan Gray (135)
Jesse Yates (104)
Michael Segel (91)
Vladimir Rodionov