Hi Seena,
just to noteĀ - this ticket might be relevant.
https://tracker.ceph.com/issues/48276
Mind leaving a comment there?
Thanks,
Igor
On 11/23/2020 2:51 AM, Seena Fallah wrote:
> Now one of my OSDs gets segfault.
> Here is the full trace:
https://paste.ubuntu.com/p/4KHcCG9YQx/
>
> On Mon, Nov 23, 2020 at 2:16 AM Seena Fallah <seenafallah(a)gmail.com> wrote:
>
>> Hi all,
>>
>> After I upgrade from 14.2.9 to 14.2.14 my OSDs are using less more memory
>> than before! I give each OSD 6GB memory target and before the free memory
>> was 20GB and now after 24h from the upgrade I have 104GB free memory of
>> 128GB memory! Also, my OSD latency got increases!
>> This happens in both SSD and HDD tier.
>>
>> Are there any notes from the upgrade I missed? Is it related to
>> bluefs_buffered_io?
>> If BlueFS do a direct IO shouldn't BlueFS/Bluestore use the targeted
>> memory for its cache and does it mean before the upgrade the memory used
>> was by a kernel that buffers the IO and wasn't for the ceph-osd?
>>
>> Thanks.
>>
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