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https://issues.apache.org/jira/browse/HBASE-11881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14119336#comment-14119336
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Manukranth Kolloju commented on HBASE-11881:
--------------------------------------------
[~stack], this particular optimization is intended to cover up for the lack of
thrift data structures of the type lists but backed by a single byte[].
For example,
struct result {
list<keyvalue> kvs
}
struct keyvalue {
byte[] data
}
will result in a lot more memory fragmentation.
Instead converting that result into the following would help produce a large
buffer which can be more gc friendly.
struct kvlist {
byte[] data
list<int> kvindex
}
> Improve the swift structures for KeyValue lists
> -----------------------------------------------
>
> Key: HBASE-11881
> URL: https://issues.apache.org/jira/browse/HBASE-11881
> Project: HBase
> Issue Type: Bug
> Components: Thrift
> Affects Versions: 0.89-fb
> Reporter: Manukranth Kolloju
> Assignee: Manukranth Kolloju
> Priority: Minor
> Fix For: 0.89-fb
>
>
> With introduction of swift we have to build composite data structures that
> can represent a list of KeyValues in a more efficient manner. This can be
> used both in Put and the Result objects.
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