Hazelcast

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The world’s leading companies trust Hazelcast to modernize applications and take instant action on data in motion to create new revenue streams, mitigate risk, and operate more efficiently. Businesses use Hazelcast’s unified real-time data platform to process streaming data, enrich it with historical context and take instant action with standard or ML/AI-driven automation - before it is stored in database or data lake.

Hazelcast is named in the Gartner Market Guide to Event Stream Processing and a leader in the GigaOm Radar Report for Streaming Data Platforms. To join our community of CXOs, architects and developers at brands such as Lowe’s, HSBC, JPMorgan Chase, Volvo, New York Life, and others, visit hazelcast.com.

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Dec 7

Is it possible to use hazelcast to process PDF files?

I'm a newbie wondering if I can offload processing PDF files with aspose to hazelcast -- is that

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Is it possible to use hazelcast to process PDF files?

I'm a newbie wondering if I can offload processing PDF files with aspose to hazelcast -- is that

Dec 7

Dec 1

Spring Session and Spring Security with Hazelcast issue

Hi All I'm trying to change my Spring application to use Spring security and Hazel cast. I'm

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Spring Session and Spring Security with Hazelcast issue

Hi All I'm trying to change my Spring application to use Spring security and Hazel cast. I'm

Dec 1

Alejandro Garcia Marchena

Nov 29

hazelcast 5.3.6 kubernetes set to dns_lookup but client launched with kubernetes_api

Hazelcast creates a client in discovery mode kubernetes_api that tries to connect in an infinite loop

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hazelcast 5.3.6 kubernetes set to dns_lookup but client launched with kubernetes_api

Hazelcast creates a client in discovery mode kubernetes_api that tries to connect in an infinite loop

Nov 29

Oct 23

Announcement - invalid 5.3.4 version in the Maven Central

Dear Hazelcast community, We are aware of an issue with an internal build, which is being prepared as

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Announcement - invalid 5.3.4 version in the Maven Central

Dear Hazelcast community, We are aware of an issue with an internal build, which is being prepared as

Oct 23

Oct 6

Unable to connect management center

Its wokring now for after running same version of management center jar.. Thanks :) On Wednesday,

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Unable to connect management center

Its wokring now for after running same version of management center jar.. Thanks :) On Wednesday,

Oct 6

ImanDeh, Andrii Rodionov4

Oct 6

Is there any way to get the list of all FencedLocks?

Unfortunately, there is no direct way to do this. You should have a reference for those Locks. Maybe

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Is there any way to get the list of all FencedLocks?

Unfortunately, there is no direct way to do this. You should have a reference for those Locks. Maybe

Oct 6

Alejandro Garcia Marchena

Oct 5

hazelcast webfilter with jdk17

I have a spring boot 2 application with jdk8 that uses hazelcast to share https seesions which has

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hazelcast webfilter with jdk17

I have a spring boot 2 application with jdk8 that uses hazelcast to share https seesions which has

Oct 5

Edward E, … Nitin Singh9

Oct 4

TTL value for an entry in map is prolonged for every update of that entry

I know am years late to this thread, but Expiration Time = Creation Time + TTL made more sense

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TTL value for an entry in map is prolonged for every update of that entry

I know am years late to this thread, but Expiration Time = Creation Time + TTL made more sense

Oct 4

Swapnil Manjare

Sep 27

Slow Data Loading in Hazelcast Cache

Hi All, I have an eks cluster on which i am running spark operator and hazelcast installed via helm.

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Slow Data Loading in Hazelcast Cache

Hi All, I have an eks cluster on which i am running spark operator and hazelcast installed via helm.

Sep 27

vaishnavi banait

Sep 25

HazelcastException: CP Subsystem is not enabled

Hello Hazelcast, While doing hazelcast migration from 3.12.13 to 5.1.6 version facing issue anyone

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HazelcastException: CP Subsystem is not enabled

Hello Hazelcast, While doing hazelcast migration from 3.12.13 to 5.1.6 version facing issue anyone

Sep 25

Sep 5

Free webinar with Redpanda and Hazelcast

Join us on Sep 13, 2023 | 10:00am PDT / 1:00pm EDT / 5:00pm GMT to learn how to build Pizza Delivery

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Free webinar with Redpanda and Hazelcast

Join us on Sep 13, 2023 | 10:00am PDT / 1:00pm EDT / 5:00pm GMT to learn how to build Pizza Delivery

Sep 5

Joan Balagueró, Josef Cacek3

Aug 28

Support for java 21

Hi Joan, The next minor version (ie Hazelcast 5.4.0) should support Java 21. Regards, -- Josef On Fri

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Support for java 21

Hi Joan, The next minor version (ie Hazelcast 5.4.0) should support Java 21. Regards, -- Josef On Fri

Aug 28

Maitrey Mehta, … Maitrey Mehta4

Aug 28

hazelcast client performance

This issue has been solved. I had used compact serialization. It had reduce the size of data. I was

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hazelcast client performance

This issue has been solved. I had used compact serialization. It had reduce the size of data. I was

Aug 28

Aug 21

hazelcast spring session - jackson serialization

hey, already aked long time agoo but still no answer or info: how can i use jackson serialization (ie

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hazelcast spring session - jackson serialization

hey, already aked long time agoo but still no answer or info: how can i use jackson serialization (ie

Aug 21

Hakan Küçük, oz...@hazelcast.com2

Aug 8

entity caching in hazelcast

You can implement a custom serializer and omit those fields: https://docs.hazelcast.com/hazelcast/5.3

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entity caching in hazelcast

You can implement a custom serializer and omit those fields: https://docs.hazelcast.com/hazelcast/5.3

Aug 8

HANU, oz...@hazelcast.com2

Aug 8

Refreshing records in Map before expiring.

Why don't you remove TTL configuration from the map? You can remove the TTL configuration and do

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Refreshing records in Map before expiring.

Why don't you remove TTL configuration from the map? You can remove the TTL configuration and do

Aug 8

JDev, oz...@hazelcast.com2

Aug 8

How to speed up data imports from ring buffers in a java client?

RingBuffer is hosted on a single partition & single member so you can't expect the same

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How to speed up data imports from ring buffers in a java client?

RingBuffer is hosted on a single partition & single member so you can't expect the same

Aug 8

muthuvel pandurangan, oz...@hazelcast.com2

Aug 8

how to we do mapconfig like TTL, eviction policy and max size in the client side

See here: https://docs.hazelcast.com/hazelcast/5.3/configuration/dynamic-config-programmatic-api On

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how to we do mapconfig like TTL, eviction policy and max size in the client side

See here: https://docs.hazelcast.com/hazelcast/5.3/configuration/dynamic-config-programmatic-api On

Aug 8

Michael Brizic, Ozan Kılıç2

Aug 8

Troubleshoot Unresponsive Cluster

When you terminate the instance, OS will not have time to close TCP connections properly. So, other

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Troubleshoot Unresponsive Cluster

When you terminate the instance, OS will not have time to close TCP connections properly. So, other

Aug 8

Hazelcast Enthusiast, Neil Stevenson3

Jul 5

Queue async-backup-count Memory Leak

Thank You! On Mon, Jul 3, 2023 at 1:42 PM 'Neil Stevenson' via Hazelcast <hazelcast@

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Queue async-backup-count Memory Leak

Thank You! On Mon, Jul 3, 2023 at 1:42 PM 'Neil Stevenson' via Hazelcast <hazelcast@

Jul 5

Марио Павлов, Josef Cacek2

Jun 23

Issues building Hazelcast with Maven

Hi Mario, hazelcast is a child module of the hazelcast-root, which imports the protobuf-bom. Check

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Issues building Hazelcast with Maven

Hi Mario, hazelcast is a child module of the hazelcast-root, which imports the protobuf-bom. Check

Jun 23

Joan Balagueró, Josef Cacek6

Jun 17

About cluster ports, hz instances don't see each other

Hi, I think the issue is related with the outbound port. I have fixed this port to just one value ...

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About cluster ports, hz instances don't see each other

Hi, I think the issue is related with the outbound port. I have fixed this port to just one value ...

Jun 17

Jun 15

MapStore Coalescing Write-Behind Batching produces too small batches

Hi, we are using coalescing write-behind MapStores and we noticed a non-optimal behavior when the

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MapStore Coalescing Write-Behind Batching produces too small batches

Hi, we are using coalescing write-behind MapStores and we noticed a non-optimal behavior when the

Jun 15

Joan Balagueró, ahmet mırçık2

Jun 6

Strange messages after reloading hazelcat instance

Hello Joan, This is an issue but seems not a critical one, since it doesn't break the expected

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Strange messages after reloading hazelcat instance

Hello Joan, This is an issue but seems not a critical one, since it doesn't break the expected

Jun 6

Alan Parry, … Łukasz Dziedziul3

May 26

Hazelcast Spring Boot 3 Support

Hi Alan, Check out https://github.com/hazelcast/hazelcast-code-samples/tree/master/hazelcast-

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Hazelcast Spring Boot 3 Support

Hi Alan, Check out https://github.com/hazelcast/hazelcast-code-samples/tree/master/hazelcast-

May 26

rzv...@gmail.com, … ahmet mırçık7

May 18

performance issue - hazelcast delete issue

How do you verify that the remaining memory contains references from the destroyed maps? I ran your

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performance issue - hazelcast delete issue

How do you verify that the remaining memory contains references from the destroyed maps? I ran your

May 18

Raihan Al-Ekram, ahmet mırçık2

Apr 28

OperationTimeoutException in Hazelcast 5.2.2

Is it possible to have a reproducer? This seems something unexpected. On Thu, 27 Apr 2023, 04:01

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OperationTimeoutException in Hazelcast 5.2.2

Is it possible to have a reproducer? This seems something unexpected. On Thu, 27 Apr 2023, 04:01

Apr 28

Hakan Küçük, … Nick Pratt4

Apr 20

Peformance for local cache

You mean something like: Map<Key,Value> myLocalMap = new HashMap<>(); Pick your local Map

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Peformance for local cache

You mean something like: Map<Key,Value> myLocalMap = new HashMap<>(); Pick your local Map

Apr 20

Apr 18

Hazelcast support for reactive streaming and sync API

Any updates on this please? Can we sync on this? On Friday, April 7, 2023 at 10:27:54 AM UTC+5:30

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Hazelcast support for reactive streaming and sync API

Any updates on this please? Can we sync on this? On Friday, April 7, 2023 at 10:27:54 AM UTC+5:30

Apr 18

Apr 15

Durable Executor Service not shown in management console

Is there a reason why a durable executor service does not appear the hazelcast management console ?

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Durable Executor Service not shown in management console

Is there a reason why a durable executor service does not appear the hazelcast management console ?

Apr 15

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