Bug#832010: Please enable LZ4 compression

Michael Biebl biebl at debian.org
Thu Jul 21 17:46:32 BST 2016


Am 21.07.2016 um 18:32 schrieb Felipe Sateler:
> On 21 July 2016 at 06:28, Yuri D'Elia <wavexx at thregr.org> wrote:
>> Package: systemd-coredump
>> Version: 230-7
>> Severity: wishlist
>>
>> LZ4 compression makes a huge difference in terms of performance impact when
>> compressing core files, but it's currently not enabled (I guess due to
>> missing
>> LZ4 dependency?).
>>
>> LZ4 is the default compression method according to upstream since systemd
>> 229.

What exactly do you mean by "default"?
Afaics, the default is no compression at all.


> LZ4 is also used by apt, so it is likely to already be installed on
> any debian system.


If we build against liblz4, what happens with existing journal files?

What happens with existing journal files, if it turns out that the LZ4
compression causes problems and we have to disable it again?


Michael


-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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