Congestion thresholds ensure that the directory does not become overloaded by preventing new operations from starting when there are insufficient resources.
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When the available disk space reaches the congested limit, add operations are no longer permitted, though modify, modrdn, search, read, and delete operations are allowed. |
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When the database reaches the critical limit, only search, read, and delete operations are allowed, and add, modify, and modrdn operations are not permitted. |
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The restrictions remain in force until the remaining disk space becomes greater than the back-to-normal limit. |
The disk that holds the data store tracks the number of free threshold values in Kbytes.