| clear query|facets|time |
Search criteria: .
Results from 1 to 10 from
30 (0.135s).
|
|
|
Loading phrases to help you
refine your search...
|
|
Re: coprocessor enabled put very slow, help please~~~ - HBase - [mail # user]
|
|
...A side question: if HTablePool is not encouraged to be used... how we handle the thread safeness in using HTable? Any replacement for HTablePool, in plan? Thanks, Best Reg...
|
|
|
Author: Wei Tan,
2013-02-19, 15:15
|
|
|
Re: coprocessor enabled put very slow, help please~~~ - HBase - [mail # user]
|
|
...Well, my experience shows: 1. A local read can be >10ms and a remote put can be 1-2ms. Due to the nature of LSM a read is always a scan to one or multiple files. A very ...
|
|
|
Author: Wei Tan,
2013-02-18, 17:56
|
|
|
Re: coprocessor enabled put very slow, help please~~~ - HBase - [mail # user]
|
|
...Is your CheckAndPut involving a local or remote READ? Due to the nature of LSM, read is much slower compared to a write... Best Regards, Wei From: Prakash K...
|
|
|
Author: Wei Tan,
2013-02-18, 05:52
|
|
|
HBase /lib directory contains any json processing util? - HBase - [mail # user]
|
|
...We need to parse JSON in a coprocessor and if HBase /lib directory contains any json processing util, we can avoid introducing additional jars. Thanks! Best Regards, Wei...
|
|
|
Author: Wei Tan,
2013-02-01, 01:03
|
|
|
Re: Coprocessor HDFS jar hot deployment - HBase - [mail # user]
|
|
...Thanks. I may try this approach later. Now I am using a remote cluster to test and I have this workaround: mvn install and skip test copy the cp to the remote cluster mvn install with ...
|
|
|
Author: Wei Tan,
2013-02-01, 01:02
|
|
|
maven junit test of a coprocessor - HBase - [mail # user]
|
|
...Hi, I am writing a maven junit test for a HBase coprocessor. The problem is that, I want to write a junit test that deploy the cp jar into a cluster, and test its function. Howev...
|
|
|
Author: Wei Tan,
2013-01-31, 07:27
|
|
|
Re: copy table AND descriptor - HBase - [mail # user]
|
|
...Hi Ted, Thanks for your remind. I made it in two steps: 1. write a java problem to create a table using original table's descriptor. 2. use ./bin/hbase org.apache.hadoop.hbase.ma...
|
|
|
Author: Wei Tan,
2013-01-30, 03:58
|
|
|
copy table AND descriptor - HBase - [mail # user]
|
|
...Hi I have a table in cluster 1 with quite lengthy metadata (aka, descriptor). How can I replicate the data as well as descriptor to another table? CopyTable, Export/Import does n...
|
|
|
Author: Wei Tan,
2013-01-29, 21:54
|
|
|
Which version has FuzzyRowFilter? - HBase - [mail # user]
|
|
...Hi, I did a quick lookup and found these two threads related to FuzzyRowFilter status: https://issues.apache.org/jira/browse/HBASE-7628 https://issues.apache.org/jira/browse/HBA...
|
|
|
Author: Wei Tan,
2013-01-23, 19:08
|
|
|
Re: Coprocessor / threading model - HBase - [mail # user]
|
|
...Thanks Andrew for your detailed clarification. Now I understand that in general, the system is subject to CAP theorem. You want good consistency AND latency, then partition tolerance n...
|
|
|
Author: Wei Tan,
2013-01-15, 22:41
|
|
|
|
