[infinispan-issues] [JBoss JIRA] (ISPN-4842) Shared consistent hash

[Takayoshi Kimura (JIRA)]

Takayoshi Kimura created ISPN-4842:
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             Summary: Shared consistent hash
                 Key: ISPN-4842
                 URL: https://issues.jboss.org/browse/ISPN-4842
             Project: Infinispan
          Issue Type: Feature Request
          Components: Core
    Affects Versions: 7.0.0.CR1
            Reporter: Takayoshi Kimura


A user is testing 500 nodes cluster with 500 dist caches defined, and plans to expand it to 3000 caches.

Infinispan manages consistent hash per cache, uses a JGroups channel per cache and uses several threads per cache. It gives significant overhead with this large size cluster. When tested with this size, Infinispan easily exhausted all threads in the thread pools and deadlocks, and requires several thousands threads to handle massive JOIN requests - the coord receives 499 * 3000 JOIN requests.

It would be great if we can share the consistent hash and resources between caches. For example, define a "master" dist cache and refer to the cache to share resources.



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