864     performance (by using shortened delta chains.)

   864     performance (by using shortened delta chains.)

   865 

   865 

   866     Repositories with this on-disk format require Mercurial version 4.7

   866     Repositories with this on-disk format require Mercurial version 4.7

   867 

   867 

   868     Enabled by default.

   868     Enabled by default.

   869 ``revlog-compression``

   870 ``revlog-compression``

   870     Compression algorithm used by revlog. Supported value are `zlib` and `zstd`.

   871     Compression algorithm used by revlog. Supported value are `zlib` and `zstd`.

   871     The `zlib` engine is the historical default of Mercurial. `zstd` is a newer

   872     The `zlib` engine is the historical default of Mercurial. `zstd` is a newer

   872     format that is usually a net win over `zlib` operating faster at better

   873     format that is usually a net win over `zlib` operating faster at better

   873     compression rate. Use `zstd` to reduce CPU usage.

   874     compression rate. Use `zstd` to reduce CPU usage.