On 09/02/2014 07:30 AM, Michael Raskin wrote:
So all in all: it writes to a file in a way that ensures fragmentation, then reads it randomly in small chunks, reads most of it, and ends up way slower than just reading the entire file…
Could it be a bad interaction with COW of btrfs? I've also had problems with journalctl needing huge amount of time. I do have the autodefrag option.
Vladimir
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