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From Doug Meil <doug.m...@explorysmedical.com>
Subject Re: Allowed upper limit to HColumnDescriptor.setMaxVersion(..)?
Date Tue, 04 Oct 2011 19:31:49 GMT

http://hbase.apache.org/book.html#schema.versions


I believe if you set that to 0 it should disable the versioning.



On 10/4/11 2:21 PM, "Micah Whitacre" <mkwhitacre@gmail.com> wrote:

>I guess what I'm asking is there a way to set "infinite" or no max
>bounds on versions (e.g. setMaxVersion(-1) possibly)?  Or do I have to
>call setMaxVersion(Integer.MAX_VALUE) or setMaxVersion(<some large
>guess>)?  If a large guess is the way to go, what sort of overhead
>costs might we need to consider when finding the right balance point
>between room to grow and the maintenance support cost of needing to
>expand later?
>
>We plan on building MapReduce jobs to clean up versions based on some
>conditions so the value shouldn't get that large but the conditions
>for cleaning up those versions might be decided by other consumers of
>the service.  So having room to grow is ideal.
>
>On Tue, Oct 4, 2011 at 11:36 AM, Doug Meil
><doug.meil@explorysmedical.com> wrote:
>>
>> Hi there-
>>
>> re:  "i don't care store them all"
>>
>>
>> What do you mean?
>>
>>
>>
>> On 10/4/11 12:20 PM, "Micah Whitacre" <mkwhitacre@gmail.com> wrote:
>>
>>>In reading the documentation all I've seen suggestions on how to set
>>>the value and the default value.  However I haven't seen any
>>>indication how to set the value to "i don't care store them all" or if
>>>there is a maximum bounds aside from Integer.MAX_VALUE.  Does anyone
>>>know?
>>>
>>>Thanks,
>>>Micah
>>>
>>>[1] -
>>>http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/HColumnDescripto
>>>r.
>>>html#setMaxVersions(int)
>>
>>


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