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https://issues.apache.org/jira/browse/HBASE-18010?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16053100#comment-16053100
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Anastasia Braginsky commented on HBASE-18010:
---------------------------------------------

Thank you everyone for the comments so far!

bq. When big cells, what happens? Where/how will big cells be addressed?

The "big" cells are those bigger than the size of the chunk and thus not 
allocated via MSLAB. In CellChunkMap everything must be on a chunk. One 
possibility is to enlarge the chunk size. Currently there is an assert on cells 
not allocated via MSLAB. This issue is going to be addressed just after I 
finish with CellChunkMap integration. I have opened HBASE-18232 for that. This 
JIRA is already big enough to add anything else to it.

bq. Did this issue get filed? Link it here if it did?

I didn't fix it here, because I was suggested to open a separate issue for 
that. However, the fix is really small, [~stack], are you in favor of adding 
the fix in this JIRA?

> Connect CellChunkMap to be used for flattening in CompactingMemStore
> --------------------------------------------------------------------
>
>                 Key: HBASE-18010
>                 URL: https://issues.apache.org/jira/browse/HBASE-18010
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Anastasia Braginsky
>            Assignee: Anastasia Braginsky
>         Attachments: HBASE-18010-V04.patch
>
>
> The CellChunkMap helps to create a new type of ImmutableSegment, where the 
> index (CellSet's delegatee) is going to be CellChunkMap. No big cells or 
> upserted cells are going to be supported here.



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