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Add lz4 compression support.

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LZ4 compresses data faster than gzip but at a lower ratio.  This can be a good tradeoff in certain scenarios.

Note that setting compress-type=lz4 will make new backups and archive incompatible (unrestorable) with prior versions of pgBackRest.
This commit is contained in:
David Steele
2020-03-10 14:45:27 -04:00
parent cc9d7315db
commit c279a00279
38 changed files with 829 additions and 53 deletions
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4
test/lib/pgBackRestTest/Module/Mock/MockArchiveStopTest.pm
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@ -43,12 +43,12 @@ sub run
foreach my $rhRun
(
{vm => VM1, remote => false, s3 => false, encrypt => false, compress => GZ, error => 0},
{vm => VM1, remote => false, s3 => false, encrypt => false, compress => LZ4, error => 0},
{vm => VM1, remote => true, s3 => true, encrypt => true, compress => GZ, error => 1},
{vm => VM2, remote => false, s3 => true, encrypt => false, compress => NONE, error => 0},
{vm => VM2, remote => true, s3 => false, encrypt => true, compress => GZ, error => 0},
{vm => VM3, remote => false, s3 => false, encrypt => true, compress => NONE, error => 0},
{vm => VM3, remote => true, s3 => true, encrypt => false, compress => GZ, error => 1},
{vm => VM3, remote => true, s3 => true, encrypt => false, compress => LZ4, error => 1},
{vm => VM4, remote => false, s3 => true, encrypt => true, compress => GZ, error => 0},
{vm => VM4, remote => true, s3 => false, encrypt => false, compress => NONE, error => 0},
)