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From Atri Sharma <atri.j...@gmail.com>
Subject Re: IGNITE 514
Date Fri, 03 Jul 2015 09:49:53 GMT
Alexey,

I have been researching around ticket and am trying to understand which
parts to change.
If I understood correctly, is GridCacheAdapter#putAll where change is
needed in this case?

On Thu, Jul 2, 2015 at 11:47 PM, Atri Sharma <atri.jiit@gmail.com> wrote:

> Sounds good. Let me work on this and get back
> On 2 Jul 2015 23:37, "Alexey Goncharuk" <alexey.goncharuk@gmail.com>
> wrote:
>
>> Here is the idea behind this ticket:
>>
>> Currently when putAll is invoked on an ATOMIC cache, all involved entries
>> are locked on primary nodes. The entries are locked as a batch on primary
>> nodes in order to support batch update of a cache store. To avoid
>> deadlocks, we require a user to provide a proper ordering of the keys
>> being
>> passed to putAll methods. This requirement can be relaxed:
>>  - We do not need to lock all entries as a batch if there is no store
>> configured or skipStore flag is set. Individual entry updates should be
>> enough.
>>  - When cache store is configured, we can change the order of entries in
>> putAll because this is not a transactional cache. Currently we can exploit
>> the fact that the keys are already represented as CacheObjects and use
>> their serialized form to provide unified ordering and avoid deadlocks.
>>
>> 2015-07-02 9:17 GMT-07:00 Atri Sharma <atri.jiit@gmail.com>:
>>
>> > Thanks.
>> >
>> > Alexey, please advice
>> > On 2 Jul 2015 21:43, "Andrey Gura" <agura@gridgain.com> wrote:
>> >
>> > > Atri,
>> > >
>> > > Unfortunatelly I can't give any advice. May be Alexey Goncharuk can
>> help.
>> > >
>> > >
>> > >
>> > > On Thu, Jul 2, 2015 at 4:24 PM, Atri Sharma <atri.jiit@gmail.com>
>> wrote:
>> > >
>> > > > Andrey,
>> > > >
>> > > > Since you created JIRA, could you please provide some context around
>> > it?
>> > > >
>> > > > --
>> > > > Regards,
>> > > >
>> > > > Atri
>> > > > *l'apprenant*
>> > > >
>> > >
>> > >
>> > >
>> > > --
>> > > Andrey Gura
>> > > GridGain Systems, Inc.
>> > > www.gridgain.com
>> > >
>> >
>>
>


-- 
Regards,

Atri
*l'apprenant*

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