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gc current request

Short Description

RAC wait. Waiting to retrieve the data from the remote cache for a DML operation.

Detailed Description​

This is a RAC wait. Waiting to retrieve the data from the remote cache for a DML operation.

In RAC wait event names:

  • gc denotes the Global Cache service.
  • current - is for DML operations
  • cr - is for select operations

The difference between CR and Current is that CR requires a block with a given SCN, whereas current does not (current mode fetches the block with the current SCN).

How to reduce this wait​

Not available yet. Contributions welcome.

Oracle RAC Docs - Monitoring Performance

Oracle RAC Docs - RAC Wait Events

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