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push.replication.compression-algorithm (collection.cfg setting)

Description

The compression algorithm to use when transferring compressible files to Push slaves. The following options are available:

GZIP

Gives good compression but is the slowest. Should be used when a slaves network bandwidth no more than 100Mbps

LZF

Gives good compression but still uses some CPU on the master.

NONE

No compression.

ZSTD

ZSTD with the default compression level, usually level 3. Gives good compression typically as good as gzip but runs in about 1/10 of the time.

ZSTD1

ZSTD but with compression level 1. Gives almost as good compression as ZSTD but is about twice as fast.

ZSTD2

ZSTD but with compression level 2.

ZSTD2

ZSTD but with compression level 3.

Default value

Default is LZF.

push.replication.compression-algorithm=LZF

Example value

If 42 push slaves are all sharing the same 1Gbps link to master than ZSTD1 might be used to save network resources and CPU resources:

push.replication.compression-algorithm=ZSTD1

See also

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