gc cr grant 2-way
Definition
- An instance request any data block in CR MODE for select from Master.
- If the data block is not cached on any instance even on master too, then master instance will send a message to the requesting instance granting the SHARED lock.
- Meanwhile requesting instance will wait in "GC CR BLOCK 2-WAY"
- Requesting instace will read data block from disk and do the physical I/O.
- This wait event does not indicate any contention.
Definition
- An instance request any data block in CR MODE for select from Master.
- If the data block is not cached on any instance even on master too, then master instance will send a message to the requesting instance granting the SHARED lock.
- Meanwhile requesting instance will wait in "GC CR BLOCK 2-WAY"
- Requesting instace will read data block from disk and do the physical I/O.
- This wait event does not indicate any contention.
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