[infinispan-issues] [JBoss JIRA] (ISPN-3387) AsyncStore preload is slow, when given database datastore

[Laszlo Hadadi (JIRA)]

Laszlo Hadadi created ISPN-3387:
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             Summary: AsyncStore preload is slow, when given database datastore
                 Key: ISPN-3387
                 URL: https://issues.jboss.org/browse/ISPN-3387
             Project: Infinispan
          Issue Type: Task
          Components: Loaders and Stores
    Affects Versions: 5.3.0.Final
         Environment: database datastore, with AsyncStore
            Reporter: Laszlo Hadadi
            Assignee: Mircea Markus
            Priority: Minor


Currently AsyncStore.loadAll() method strategy is suboptimal.
actually loadAll do this:
getAll keys from cache
itarate on keys and load each value from store.
This is can be really costly when we have db persistance behind async store.
cost:
1 query for keys + number of keys query.

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