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From Eric Evans <eev...@acunu.com>
Subject Re: garbage collecting tombstones
Date Thu, 01 Dec 2011 21:38:21 GMT
On Thu, Dec 1, 2011 at 2:45 PM, Jahangir Mohammed
<md.jahangir27@gmail.com> wrote:
> Tombstone is a marker indicating the record to be deleted.
> "gc_grace_seconds" is the time after which the record will be deleted
> physically from the node.
> There is no ad-hoc way of gc'ing tombstones. Only after "gc_grace_seconds"
> the tombstones will be gc'ed.

Actually, they'll be removed on the first compaction that occurs after
gc_grace_seconds.

> On Thu, Dec 1, 2011 at 2:01 PM, A J <s5alye@gmail.com> wrote:
>> Is 'garbage collecting tombstones ' a different operation than the JVM GC.
>> Garbage collecting tombstones is controlled by gc_grace_seconds which
>> by default is set to 10 days. But the traditional GC seems to happen
>> much more frequently (when observed through jconsole) ?
>>
>> How can I force the garbage collecting tombstones to happen ad-hoc
>> when I want to ?

-- 
Eric Evans
Acunu | http://www.acunu.com | @acunu

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