[infinispan-issues] [JBoss JIRA] (ISPN-6802) Micro-optimizations for read operations

[Dan Berindei (JIRA)]

Dan Berindei created ISPN-6802:
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             Summary: Micro-optimizations for read operations
                 Key: ISPN-6802
                 URL: https://issues.jboss.org/browse/ISPN-6802
             Project: Infinispan
          Issue Type: Task
          Components: Core
    Affects Versions: 9.0.0.Alpha2
            Reporter: Dan Berindei
            Assignee: Dan Berindei
             Fix For: 9.0.0.Alpha3


* L1 entries are written to the data container by L1TxInterceptor/L1NonTxInterceptor directly, so there is no reason to commit the context entries in EntryWrappingInterceptor or to clear the locks in the locking interceptors.
* ClearCommands can no longer be wrapped in PrepareCommands, so we can stop the state transfer in {{EntryWrappingInterceptor.visitClearCommand()}} instead of checking the type for each command.
* In transactional caches, a read operation without an explicit transaction triggers two queries for the current transaction to the transaction manager, which usually means 2 thread-local lookups.
* IsMarshallerInterceptor shouldn't do anything unless there is an asynchronous store
* Transactional remote get commands use NonTxInvocationInterceptor instead of SingleKeyNonTxInterceptor.
* Configuration attributes should be cached, as reading them requires accessing multiple instances + a cast in Attribute.get()




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