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From stack <st...@duboce.net>
Subject secondary index using lucene WAS -> Re: [jira] Commented: (HBASE-883) Secondary Indexes
Date Sat, 11 Oct 2008 03:53:35 GMT
(I changed the subject so the folks who might be working on a secondary 
index using lucene might notice Ding Hui's question -- St.Ack)

Ding, Hui wrote:
> I am wondering what's the status of this doing secondary indexing with
> lucene?
> Is there anyway to follow with the progress?
>
> Thx! 
>
> -----Original Message-----
> From: stack (JIRA) [mailto:jira@apache.org] 
> Sent: Thursday, September 25, 2008 2:58 PM
> To: hbase-dev@hadoop.apache.org
> Subject: [jira] Commented: (HBASE-883) Secondary Indexes
>
>
>     [
> https://issues.apache.org/jira/browse/HBASE-883?page=com.atlassian.jira.
> plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12634648#
> action_12634648 ] 
>
> stack commented on HBASE-883:
> -----------------------------
>
> Hey Clint:
>
> Highlevel, talk on the list has made mention of secondary indices done
> using lucene rather than keeping a second table.  Because of this, one
> suggestion to consider -- non-binding, just a suggestion -- is that you
> might include the type of your secondary index -- i.e. table index --
> when naming classes, etc.  For example, IndexedRegionServer should
> perhaps become TableIndexedRegionServer (bit of a mouthful -- maybe you
> have a better name) or maybe better, just change your package name --
> use tableindexed or tindexed instead of indexed -- so its clear how your
> secondary index is implemented.
>
> In HTD:
>
> + Is this inclusion intentional: '+  public static final String
> ROW_KEY_COMPARATOR = "ROW_KEY_COMPARATOR";'?  Is this leak from another
> patch?  Same for HSK.java.... and setRowKeyComparator in HTD, etc.
> + You have to copy '+  static private byte[] format(final int number) {'
> from PerformanceEvaluation because its inaccessible?  I'd suggest change
> access on PE so you don't have to duplicate.
>
> ... more to follow
>
>
>   
>> Secondary Indexes
>> -----------------
>>
>>                 Key: HBASE-883
>>                 URL: https://issues.apache.org/jira/browse/HBASE-883
>>             Project: Hadoop HBase
>>          Issue Type: New Feature
>>          Components: client, regionserver
>>            Reporter: Clint Morgan
>>            Assignee: Clint Morgan
>>         Attachments: hbase-883.patch
>>
>>
>> I'm working on a secondary index impl. The basic idea is to maintain a
>>     
> separate table per index.
>
>   


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