Re: MDS cache always increasing

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But the client which is doing the rsync, doesn't hold any caps after the rsync. Cephfs-top shows 0 caps. Even a system reboot of the client doesn't make a change. 

Kind regards, 
Sake 
> Op 03-09-2024 04:01 CEST schreef Alexander Patrakov <patrakov@xxxxxxxxx>:
> 
>  
> MDS cannot release an inode if a client has cached it (and thus can
> have newer data than OSDs have). The MDS needs to know at least which
> client to ask if someone else requests the same file.
> 
> MDS does ask clients to release caps, but sometimes this doesn't work,
> and there is no good troubleshooting guide except trying different
> kernel versions and switching between kernel client / fuse / nfs.
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