Configuring journaler

Use this list of commands 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