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https://issues.apache.org/jira/browse/HBASE-11544?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16020554#comment-16020554
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Karan Mehta edited comment on HBASE-11544 at 5/23/17 8:42 PM:
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[~jonathan.lawlor] [~stack]
Can the server return multiple partial rows?
If yes, why does client side code assume that only the last result is partial
in {{ClientScanner}} ?
If not, why do we have a repeated boolean value for {{partial_flag_per_result}}
in {{Client.protos}} ?
was (Author: karanmehta93):
[~jonathan.lawlor]
Can the server return multiple partial rows?
If yes, why does client side code assume that only the last result is partial
in {{ClientScanner}} ?
If not, why do we have a repeated boolean value for {{partial_flag_per_result}}
in {{Client.protos}} ?
> [Ergonomics] hbase.client.scanner.caching is dogged and will try to return
> batch even if it means OOME
> ------------------------------------------------------------------------------------------------------
>
> Key: HBASE-11544
> URL: https://issues.apache.org/jira/browse/HBASE-11544
> Project: HBase
> Issue Type: Bug
> Reporter: stack
> Assignee: Jonathan Lawlor
> Priority: Critical
> Fix For: 2.0.0, 1.1.0
>
> Attachments: Allocation_Hot_Spots.html, gc.j.png,
> HBASE-11544-addendum-v1.patch, HBASE-11544-addendum-v2.patch,
> HBASE-11544-branch_1_0-v1.patch, HBASE-11544-branch_1_0-v2.patch,
> HBASE-11544-v1.patch, HBASE-11544-v2.patch, HBASE-11544-v3.patch,
> HBASE-11544-v4.patch, HBASE-11544-v5.patch, HBASE-11544-v6.patch,
> HBASE-11544-v6.patch, HBASE-11544-v6.patch, HBASE-11544-v7.patch,
> HBASE-11544-v8-branch-1.patch, HBASE-11544-v8.patch, hits.j.png, h.png,
> mean.png, m.png, net.j.png, q (2).png
>
>
> Running some tests, I set hbase.client.scanner.caching=1000. Dataset has
> large cells. I kept OOME'ing.
> Serverside, we should measure how much we've accumulated and return to the
> client whatever we've gathered once we pass out a certain size threshold
> rather than keep accumulating till we OOME.
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