Re: very slow backfill on Luminous + Bluestore

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On 17-09-08 18:59, Xiaoxi Chen wrote:
CPU and Disk are fairly idle.
I didnt use gdbprof but enable debug log seems it is not hanging. Also
"gdb thread apply all bt" shows nothing intresting , all threads are
waiting on condition for job.
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just an additional data point: I had Luminous cluster backfilling at few GB/s rate (when I changed mapping to include racks, almost everything remapped). Maybe problem is filestore<->bluestore interraction?

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