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