Appendix C. Journaler configuration reference
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
- 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 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
