@ Niv Azriel : What is your leveldb version and has it been fixed now?
@ Wido den Hollander : I also meet a similar problem:
the size of my leveldb is about 17GB(300+ osds), there are a lot of sst files(each sst file is 2MB) in /var/lib/ceph/mon. (a network abnormal situation once happened)
The leveldb version is 1.2 (ubuntu 12.04, ceph 0.94.5)
-----邮件原件-----
发件人: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] 代表 Wido den Hollander
发送时间: 2017年3月27日 19:30
收件人: ceph-users@xxxxxxxxxxxxxx; Niv Azriel
主题: Re: leveldb takes a lot of space
> Op 26 maart 2017 om 9:44 schreef Niv Azriel <nivazri18@xxxxxxxxx>:
>
>
> after network issues, ceph cluster fails.
> leveldb grows and takes a lot of space ceph mon cant write to leveldb
> because there is not enough space on filesystem.
> (there is a lot of ldb file on /var/lib/ceph/mon)
>
It is normal that the database will grow as the MON will keep all historic OSDMaps when one or more PGs are not active+clean
> ceph compact on start is not helping.
> my erasure-code is too big.
>
> how to fix it?
Make sure you have enough space available on your MONs, that is the main advise. Under normal operations <2GB should be enough, but it can grow much bigger.
On most clusters I design I make sure there is at least 200GB of space available on each MON on a fast DC-grade SSD.
Wido
> thanks in advanced
>
> ceph version: jewel
> os : ubuntu16.04
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