On 08/02/2018 11:16 AM, Martin Steigerwald wrote: > However I wonder: Is this it? Is there nothing that can be improved in > BTRFS to handle database and VM files in a better way, without altering > any default settings? Poor performance is not the biggest BTRFS problem, it's known for silent data corruption for instance when using KVM with cache=none,aio=native, error counters are worthless too and do not increment in case of csum mismatches. Performance penalty is huge, iowait for 4x SSD on RAID10 with BTRFS is the same like when using RAID1 on 2xSAS with Ext4 for firebird database ~ 20GB which can fit as a whole in RAM for better read performance. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
