Hazelcast in low latency scenarios

[Anup Agrawal]

Hi Sancar,

Is there any enterprise offering of hazelcast which can ship the data under few micros at 99.9 percentile. We need near zero gc implementation.

Our end to end latency is in 1 ms which includes 100s of data lookup and further logic.

Regards,
Anup
On Tuesday, June 26, 2018, Anup Agrawal <anup.a...@gmail.com> wrote:

Hi Sancar,

I am testing rolling upgrade scenario and cache become unresonsive for around 3 minutes during rolling upgrade. I observed that query doesn't failover to other running member. I used following properties to improve the situation and need your inputs if i run into other failure scenarios:

client properties:

"hazelcast.client.invocation.timeout.seconds" = 10;
"hazelcast.client.heartbeat.timeout" = 5000;
"hazelcast.client.heartbeat.interval" = 1000;

member properties:

"hazelcast.max.no.heartbeat.seconds" =20;
"hazelcast.client.heartbeat.timeout" =5000;
"hazelcast.client.heartbeat.interval" =1000;
"hazelcast.member.list.publish.interval.seconds" =10;
"hazelcast.client.invocation.timeout.seconds" =10;

I can see lots of disconnection logs. I also saw failover happening to other member when invocation timeout in 10 seconds.  I have seen some request timeouts which didn't occur before. 

Pls. someone throw some light if above configuration is good?

Regards,
Anup

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[Neil Stevenson]

 If you're interested in the Enterprise version of Hazelcast, try the "Contact" button on https://hazelcast.com/

 The HD (off-heap) implementation is designed specifically to alleviate GC issues

Neil

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