Hi,
I am new to CEPH and I have some question regarding it?
Could you please help out?
What is default value of rgw_stripe_size and max_chunk_size?
What is default size of object stored in Ceph Storage Cluster? Is it dependent on stripe size or chunk size?
What is bucket with respect to RGW? How one should decide the name of bucket? Does creating too many bucket (different bucket per request) creates performance problem?
Why does CEPH first stripes the data into series of stripes and then again divide these stripes into smaller chunks? Is striping data into stripes not enough?
If an object is divided into series of smaller units (for performance benefit) , how does CEPH returns the complete object when GET request is made?
Where does it store the ids/numbers of subsequent stripes to form a complete object from its smaller chunks?
Does striping a small object (e.g. 100 KB to 4 MB) creates a performance overhead as CEPH has to read all the chunks related to this Object and then combine it into one single object before it returns it? Isn't it too much optimization for handling smaller objects?
Does librados (ceph native apis) also perform data striping if used for storing data into CEPH cluster?
Thanks,
Prasad
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