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EntryProcessor invokeAll Thows OutOfMemory Exception for Large Caches (Doc ID 1298133.1)

Last updated on JANUARY 17, 2023

Applies to:

Oracle Coherence - Version 3.5.0 to 3.6.1 [Release AS10g]
Information in this document applies to any platform.


Call invokeAll() on a large cache (e.g. 20GB) from a client against all the entries in the cache. The entry processor returns null from the process() method. When the entry processor returns a Map of results the resulting Map contains every key in the cache as a key with null as the value. At a certain cache size the client will die with an "Out Of Memory" exception. This return Map must be buffered in the client even when there is no result.

The code being used is as follows.


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