Hi @Corey,

(Ignore my comments as I've managed to setup a cluster without needing
ceph-deploy).

I have installed the packages and setup a cluster. The cluster was
functional and found no issues with the Groovy packages in my tests.

I have done some of the Ceph's benchmarks [0] using the Ceph cluster.
Also did some separate tests on rocksdb with and without those flags.
Overall, the Ceph Cluster tests which were mainly focusing on I/O didn't
show anything out of the ordinary. But the rocksdb benchmarks [1] [2]
showed that the optimized build works better in most cases.

Besides, we already that this has already been enabled in Ceph upstream
as you know -- which we'll get in the future releases. So I am positive
that there are no cause for concern with these packages that you've
built for Groovy.


[0] 
https://tracker.ceph.com/projects/ceph/wiki/Benchmark_Ceph_Cluster_Performance
[1] https://github.com/facebook/rocksdb/wiki/Read-Modify-Write-Benchmarks
[2] 
https://github.com/facebook/rocksdb/wiki/RocksDB-In-Memory-Workload-Performance-Benchmarks


** Attachment added: "rocksdb benchmarks.txt"
   
https://bugs.launchpad.net/ubuntu/+source/ceph/+bug/1894453/+attachment/5415020/+files/rocksdb%20benchmarks.txt

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https://bugs.launchpad.net/bugs/1894453

Title:
  Building Ceph packages with RelWithDebInfo

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