accumulo-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Billie Rinaldi <billie.rina...@gmail.com>
Subject Re: AgeOff Filter - Compaction needed?
Date Fri, 22 Nov 2013 16:10:34 GMT
Also, scans do not age data off of disk.  The data is still there, it just
isn't shown during a scan.


On Fri, Nov 22, 2013 at 8:04 AM, William Slacum <
wilhelm.von.cloud@accumulo.net> wrote:

> Compaction will occur naturally as the table grows. If the data is old and
> the table is static, forcing a compaction via the shell is probably the
> easiest route.
>
>
> On Fri, Nov 22, 2013 at 10:58 AM, Slater, David M. <
> David.Slater@jhuapl.edu> wrote:
>
>> Hi, I would like to automatically ageoff old data; however my
>> understanding of AgeOff iterators is that they would require a compaction
>> or scan to take effect. For information that is in tablets that are no
>> longer being added to or scanned, the ageoff filter would not take effect,
>> correct?
>>
>>
>>
>> Would I need to force a compaction or merge in order to remove those
>> records, or would it be better to write my own script to remove rows? (I’m
>> using 1.4 – is this behavior different in 1.5 or 1.6?)
>>
>>
>>
>> Thanks,
>> David
>>
>
>

Mime
View raw message