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From "Chia-Ping Tsai (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-17836) CellUtil#estimatedSerializedSizeOf is slow when input is ByteBufferCell
Date Sat, 01 Apr 2017 05:53:41 GMT

     [ https://issues.apache.org/jira/browse/HBASE-17836?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chia-Ping Tsai updated HBASE-17836:
-----------------------------------
    Status: Patch Available  (was: Open)

> CellUtil#estimatedSerializedSizeOf is slow when input is ByteBufferCell
> -----------------------------------------------------------------------
>
>                 Key: HBASE-17836
>                 URL: https://issues.apache.org/jira/browse/HBASE-17836
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 2.0.0
>            Reporter: Chia-Ping Tsai
>            Assignee: Chia-Ping Tsai
>            Priority: Minor
>             Fix For: 2.0.0
>
>         Attachments: HBASE-17836.v0.patch, HBASE-17836.v1.patch
>
>
> We call CellUtil#estimatedSerializedSize to calculate the size of rows when scanning.
If the input is ByteBufferCell, the CellUtil#estimatedSerializedSizeOf parses many length
components to get the qualifierLength stored in the backing buffer.
> We should consider using the KeyValueUtil#getSerializedSize.



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