Re: [btrfs] Periodic write spikes while idling, on btrfs root

2013-03-03 Thread Brendan Hide
On 2013/02/14 12:15 PM, Vedant Kumar wrote: Hello, I'm experiencing periodic write spikes while my system is idle. ... turned out to be some systemd log in /var/log/journal. I turned off journald and rebooted, but the write spike behavior remained. ... best, -vk I believe btrfs syncs every

[btrfs] Periodic write spikes while idling, on btrfs root

2013-02-14 Thread Vedant Kumar
Hello, I'm experiencing periodic write spikes while my system is idle. According to iotop, they're being caused by btrfs-endio-write, btrfs-transaction, and btrfs-dealloc. Mostly, the issue is with endio-write: I've seen up to four of these processes write at the same time. Using iostat, I've