Darrel Schneider created GEODE-6807:
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Summary: changing advisors to cache advice can improve performance
Key: GEODE-6807
URL: https://issues.apache.org/jira/browse/GEODE-6807
Project: Geode
Issue Type: Improvement
Components: core
Reporter: Darrel Schneider
Cluster messaging uses advisors to know what member of the cluster should be
sent a message.
Currently, every time and advisor is asked for advice to iterates over its
profiles building up the advice in a HashSet that is returned.
I found on a partitioned region client/server put benchmark (32 client threads,
2 servers with redundancy 1) that if I changed the method
adviseAllEventsOrCached to remember what it computed, that it caused the put
throughput to increase by 8%.
Advisors know when a profile is added, removed, or modified. When that happens
any advice it has cached can be dropped. Also, the requestors of advice need to
expect the Set they get back to be unmodifiable.
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