Re: Something akin to FSIMAGE in ceph

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> Op 15 feb. 2022 om 02:19 heeft Robert Gallop <robert.gallop@xxxxxxxxx> het volgende geschreven:
> 
> Had the question posed to me and couldn’t find an immediate answer.
> 
> Is there anyway we can query the MDS or some other component in the ceph
> stack that would give essentially immediate access to all file names
> contained in ceph?
> 
> in HDFS we have the ability to pull the fsimage from the name nodes and
> perform query like operations to find a file, lets say we wanted to see all
> *log4j*.jar files that existed in HDFS, we could run this query and have
> 20k results in a couple seconds.
> 
> Right now with ceph, we are only using cephfs, kernel client mounts, so the
> only “normal” way to do this is to use find, or ls, or whatever normal
> tools could go looking for this jar across the various mount points.

Can you mount / and use mlocate?

> 
> So thought I’d ask if any one had some tricks that could be used to
> basically ask the MDS or component that would know:  Show me the path of
> every file ending in .jar that contains the letters/numbers log4j in its
> name…
> 
> Thanks!
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