[infinispan-issues] [JBoss JIRA] (ISPN-9794) Allow Cache flushes to stores on demand via JMX trigger

Ryan Emerson (Jira) issues at jboss.org
Wed Dec 5 05:22:00 EST 2018


Ryan Emerson created ISPN-9794:
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             Summary: Allow Cache flushes to stores on demand via JMX trigger
                 Key: ISPN-9794
                 URL: https://issues.jboss.org/browse/ISPN-9794
             Project: Infinispan
          Issue Type: Enhancement
          Components: Loaders and Stores
    Affects Versions: 10.0.0.Alpha1
            Reporter: Ryan Emerson
            Assignee: Ryan Emerson
             Fix For: 10.0.0.Final


We should introduce a {code}flush(Publisher<MarshalledEntry<K, V>>){code} method to the AdvancedCacheWriter interface. This will simply iterate over the cache on a best-effort basis (concurrent updates to the cache may be missed) and write it's contents to the underlying store(s).

The flush method should be called by the PersistenceManager when an appropriate trigger has been manually called by the user, for example JMX or REST.

Adding this capability will allow for use-cases where users don't want to write to the underlying store during normal operation, however in certain circumstances they want to persist the data. To achieve this, the user can configure a store as normal, whilst setting the SKIP_CACHE_LOAD and SKIP_CACHE_STORE flags via AdvancedCache::withFlags.



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