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Posted to issues@storm.apache.org by "Ambud Sharma (JIRA)" <ji...@apache.org> on 2016/12/26 19:01:00 UTC

[jira] [Updated] (STORM-2204) Add caching to HBaseLookupBolt

     [ https://issues.apache.org/jira/browse/STORM-2204?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ambud Sharma updated STORM-2204:
--------------------------------
    Affects Version/s:     (was: 0.10.0)

> Add caching to HBaseLookupBolt
> ------------------------------
>
>                 Key: STORM-2204
>                 URL: https://issues.apache.org/jira/browse/STORM-2204
>             Project: Apache Storm
>          Issue Type: New Feature
>          Components: storm-hbase
>    Affects Versions: 1.0.0, 2.0.0
>            Reporter: Ambud Sharma
>            Assignee: Ambud Sharma
>              Labels: patch
>         Attachments: storm-hbase-cache.patch
>
>   Original Estimate: 2h
>          Time Spent: 9h 50m
>  Remaining Estimate: 0h
>
> Add capability to cache Results from HBase lookup in HBaseLookupBolt. 
> - Caching is disabled by default.
> - Enabled by configuration
>    hbase.cache.enable = true
>    hbase.cache.ttl.seconds = 300 
>    hbase.cache.size = 1000 
> Using Guava LoadingCache implementation to create an LRU cache.
> Also marking OutputCollector as transient in AbstractHbaseBolt (it should be marked as transient)
> https://github.com/apache/storm/blob/cd5c9e8f904205a6ca6eee9222ca954ca8b37ec3/external/storm-hbase/src/main/java/org/apache/storm/hbase/bolt/HBaseLookupBolt.java
> https://github.com/apache/storm/pull/1783



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