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Journaler¶

journaler write head interval

Description: How frequently to update the journal head object
Type: Integer
Required: No
Default: 15

journaler prefetch periods

Description: How many stripe periods to read-ahead on journal replay
Type: Integer
Required: No
Default: 10

journal prezero periods

Description: How many stripe periods to zero ahead of write position
Type: Integer
Required: No
Default: 10

journaler batch interval

Description: Maximum additional latency in seconds we incur artificially.
Type: Double
Required: No
Default: .001

journaler batch max

Description: Maximum bytes we will delay flushing.
Type: 64-bit Unsigned Integer
Required: No
Default: 0