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Appendix C. Journaler configuration reference

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Reference of the list commands that can be used for journaler configuration.

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
journaler_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 to incur artificially.
Type
Double
Required
No
Default
.001
journaler_batch_max
Description
Maximum bytes that will be delayed flushing.
Type
64-bit Unsigned Integer
Required
No
Default
0
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