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https://issues.apache.org/jira/browse/HBASE-5520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13231843#comment-13231843
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Anoop Sam John commented on HBASE-5520:
---------------------------------------
@Lars
The co processor preScannerNext() method will be getting called from the
HRegionServer
{code}
// Call coprocessor. Get region info from scanner.
HRegion region = getRegion(s.getRegionInfo().getRegionName());
if (region != null && region.getCoprocessorHost() != null) {
Boolean bypass = region.getCoprocessorHost().preScannerNext(s,
results, nbRows);
{code}
So by the time co processor calls this seek, there wont be any region op
already started. Pls correct me if I am wrong.
> Support reseek() at RegionScanner
> ---------------------------------
>
> Key: HBASE-5520
> URL: https://issues.apache.org/jira/browse/HBASE-5520
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Affects Versions: 0.92.0
> Reporter: Anoop Sam John
> Assignee: ramkrishna.s.vasudevan
> Fix For: 0.96.0
>
> Attachments: HBASE-5520_1.patch, HBASE-5520_2.patch,
> HBASE-5520_3.patch
>
>
> reseek() is not supported currently at the RegionScanner level. We can
> support the same.
> This is created following the discussion under HBASE-2038
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