This is a document for PGroonga 2.X and 3.X. See PGroonga 1.x document when you're using old PGroonga.

`pgroonga_crash_safer.max_recovery_threads` parameter

Since 3.1.9.

Summary

pgroonga_crash_safer.max_recovery_threads parameter specifies the number of threads for recovery of broken Groonga indexes.

0: The default. It disables parallel recovery.
-1: Use the all CPUs in the environment.
1 or larger: Use the specified number of CPUs.

Syntax

In postgresql.conf:

pgroonga_crash_safer.max_recovery_threads = number_of_threads

Usage

Here is an example to specify -1 to use all available CPUs:

pgroonga_crash_safer.max_recovery_threads = -1

See also