Two CEPHFS Issues

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Hello Everyone, 

We are currently running into two issues.

1) We are noticing huge pauses during directory creation, but our file write times are super fast. The metadata and data pools are on the same infrastructure. 
2) Since we were having the issue above, we wanted to possibly move to a larger top level directory. Stuff everything in there and later move everything out via a batch job. To do this we need to increase the the directory limit from 100,000 to 300,000. How do we increase this limit.


dpryor@beta-ceph-node1:~$ dpkg -l |grep ceph
ii  ceph-base                            10.2.10-1xenial                    amd64        common ceph daemon libraries and management tools
ii  ceph-common                          10.2.10-1xenial                    amd64        common utilities to mount and interact with a ceph storage cluster
ii  ceph-deploy                          1.5.38                             all          Ceph-deploy is an easy to use configuration tool
ii  ceph-mds                             10.2.10-1xenial                    amd64        metadata server for the ceph distributed file system
ii  ceph-mon                             10.2.10-1xenial                    amd64        monitor server for the ceph storage system
ii  ceph-osd                             10.2.10-1xenial                    amd64        OSD server for the ceph storage system
ii  libcephfs1                           10.2.10-1xenial                    amd64        Ceph distributed file system client library
ii  python-cephfs                        10.2.10-1xenial                    amd64        Python libraries for the Ceph libcephfs library
dpryor@beta-ceph-node1:~$ 

Any direction would be appreciated!?

Thanks,
Daniel
​​

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