So, if I define the CQ as a service, and the node crashes, wouldn't ignite
start a new service with CQ already registered, say if the CQ registration
is in service init?
I can do initial query at the as well.
On Wed, Apr 1, 2020 at 7:33 PM Evgenii Zhuravlev
wrote:
> Well, with this use case,
Well, with this use case, if one of the nodes goes down, there is always a
chance to lost notifications. I don't think that it's possible to recover
lost notifications with out of the box solution, but if you will be able to
track the last processed notification and store update time in entries,
Thanks Evgenii for the recommendation and the heads up.
Is there a way to recover the lost notifications or even know if a
notification is lost?
On Wed, Apr 1, 2020 at 12:15 PM Evgenii Zhuravlev
wrote:
> Hi,
>
> 1) I would recommend checking ContinouousQuery.setLocal:
>
Hi,
1) I would recommend checking ContinouousQuery.setLocal:
https://www.gridgain.com/sdk/ce/latest/javadoc/org/apache/ignite/cache/query/Query.html#setLocal-boolean-.
Please check if it fits your requirements.
2) You will need to do this in a separate thread, because cache operations
shouldn't
Hi All,
I'd like to get your feedback regarding the following pattern.
1) CQ setup that listens to the changes to a cache on the local node only.
2) Upon receiving notification on a change, the listener makes additions to
two other caches, one being on the local node (partitioned) and the other
I'm not sure, because the final overhead depends on the object sizes. There
is a buffer for CQ, which stores 1000 entries by default, but you can
decrease it using property IGNITE_CONTINUOUS_QUERY_SERVER_BUFFER_SIZE
Evgenii
вт, 18 февр. 2020 г. в 18:09, narges saleh :
> Hi Evgeni,
>
> There
Hi Evgeni,
There will be several thousands notifications/day if I have it send
notification only when certain patterns are visited, in about 100+ caches,
which brings up another question: wouldn't having 100+ CQs be creating too
much overhead?
thanks.
On Tue, Feb 18, 2020 at 2:17 PM Evgenii
Hi,
How many notifications do you want to get? If it's just a several
notifications, then you can even register separate CQ for each of the entry
with its own remote filters. At the same time, if you have a requirement to
send these notifications for a lot of entries, then this approach will
