Any reason why the supported eviction/expiration does not work for your
case...

-Anil.


On Wed, Apr 27, 2016 at 1:49 PM, Udo Kohlmeyer <[email protected]>
wrote:

> Hi there Eugene,
>
> The free space checking code, is that running as a separate process or as
> part of each of the server jvms?
> I would run the free space checking as part of each server(deployed as
> part of the server code). This way each server will monitor it's own free
> space.
>
> I'm not sure how to get the last access time of each item, but if you can
> get hold of that information, then you can run some code that will use the
> PartitionRegionHelper.getLocalData(Region) or
> PartitionRegionHelper.getLocalPrimaryData(Region) to get the local data.
>
> Then you could remove/invalidate the data entry.
>
> Also disk store compaction now plays a role. So you might have to trigger
> a compaction of the diskstore in order to avoid unnecessary data being held
> in the diskstores.
>
> The simplest way you could do this is by running the following: (as per
> the DiskStore API
> <http://geode.incubator.apache.org/releases/latest/javadoc/com/gemstone/gemfire/cache/DiskStore.html>
> )
>
> Cache cache = CacheFactory.getAnyInstance();
> DiskStore diskstore = cache.findDiskStore("diskStoreName");
> diskstore.forceCompaction();
>
> The forceCompaction method is blocking, so please do not make this code as
> part of some critical processing step.
>
> --Udo
>
> On 28/04/2016 6:25 am, Eugene Strokin wrote:
>
> I'm running a periodic check of the free space on each node of my cluster.
> The cluster contains a partitioned region.
> If some node is getting full, I'd like to remove least recently used items
> to free up the space. New items are getting loaded constantly.
> I've enabled statistics, so it looks like I can get last access time of
> each item, but I'd like to iterate through only "local" items, the items
> which are stored on the local node only. I'm trying different things, but
> none of them seems right.
> Is it even possible? If so, could you please point me to the right
> direction?
>
> Thank you,
> Eugene
>
>
>

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