[
https://issues.apache.org/jira/browse/HBASE-2331?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Alexey Kovyrin updated HBASE-2331:
----------------------------------
Attachment: HBASE-2331.patch
New count command help:
{quote}
Count the number of rows in a table. This operation may take a LONG
time (Run '$HADOOP_HOME/bin/hadoop jar hbase.jar rowcount' to run a
counting mapreduce job). Current count is shown every 1000 rows by
default. Count interval may be optionally specified. Scan caching
is enabled on count scans by default. Default cache size is 10 rows.
If your rows are small in size, you may want to increase this
parameter. Examples:
hbase> count 't1'
hbase> count 't1', INTERVAL => 100000
hbase> count 't1', CACHE => 1000
hbase> count 't1', INTERVAL => 10, CACHE => 1000
{quote}
> [shell] count command needs a way to specify scan caching
> ---------------------------------------------------------
>
> Key: HBASE-2331
> URL: https://issues.apache.org/jira/browse/HBASE-2331
> Project: Hadoop HBase
> Issue Type: Improvement
> Components: scripts
> Affects Versions: 0.21.0
> Reporter: Alexey Kovyrin
> Assignee: Alexey Kovyrin
> Priority: Minor
> Fix For: 0.21.0
>
> Attachments: HBASE-2331.patch
>
>
> Hbase shell count command needs a way to specify scan caching. Default value
> of 10 is really slow, but should be kept as low for clients with huge rows.
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
