Chapter 10. Locking

Procedure 10.1. Configure Locking (Remote Client-Server Mode)

1. Define the Isolation Level

   The isolation parameter defines the isolation level used for the local cache. Valid values for this parameter are REPEATABLE_READ and READ_COMMITTED.

   <distributed-cache>
   	<locking isolation="REPEATABLE_READ" />
   

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2. Set the acquire-timeout Parameter

   The acquire-timeout parameter specifies the number of milliseconds after which lock acquisition will time out.

   <distributed-cache>
   	<locking isolation="REPEATABLE_READ" 
   	         acquire-timeout="30000" />
   

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3. Set Number of Lock Stripes

   The concurrency-level parameter defines the number of lock stripes used by the LockManager.

   <distributed-cache>
   	<locking isolation="REPEATABLE_READ" 
   	         acquire-timeout="30000" 
   	         concurrency-level="1000" />
   

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4. Set Lock Striping

   The striping parameter specifies whether lock striping will be used for the local cache.

   <distributed-cache>
   	<locking isolation="REPEATABLE_READ" 
   	         acquire-timeout="30000" 
   	         concurrency-level="1000" 
   	         striping="false" />
   	         ...
   </distributed-cache>
   

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