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Sizing the Structure z/OS MVS Programming: Sysplex Services Guide SA23-1400-00 |
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The directory-only cache structure might be very small compared to the other methods because there are no data entries in it. Focus of the topic "Using Cache Services (IXLCACHE)"The remainder of the topic "Using Cache Services (IXLCACHE)" focuses on how a store-in cache user uses cache structure services. Unlike the store-through or directory-only cache users, the store-in user tends to use all available cache services. When the use of a service or function depends on the cache method being used, the text provides an appropriate explanation for each of method. |
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