RepoMirrors/ceph
1
0
Fork 0
mirror of https://github.com/ceph/ceph synced 2025-01-30 06:53:38 +00:00
Code Issues Packages Projects Releases Wiki Activity

doc: Made additional changes s/CRUSH/Ceph for pull request #1855

Browse Source 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
This commit is contained in:
John Wilkins 2014-05-28 17:49:21 -07:00
parent cbd759872b
commit f153bc186e
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
doc/architecture.rst
View File

@ -392,11 +392,11 @@ steps to compute PG IDs.
#. The client inputs the pool ID and the object ID. (e.g., pool = "liverpool"
and object-id = "john")
#. CRUSH takes the object ID and hashes it.
#. CRUSH calculates the hash modulo the number of PGs. (e.g., ``0x58``) to get
#. Ceph takes the object ID and hashes it.
#. Ceph calculates the hash modulo the number of PGs. (e.g., ``58``) to get
a PG ID.
#. CRUSH gets the pool ID given the pool name (e.g., "liverpool" = ``4``)
#. CRUSH prepends the pool ID to the PG ID (e.g., ``4.0x58``).
#. Ceph gets the pool ID given the pool name (e.g., "liverpool" = ``4``)
#. Ceph prepends the pool ID to the PG ID (e.g., ``4.58``).
Computing object locations is much faster than performing object location query
over a chatty session. The :abbr:`CRUSH (Controlled Replication Under Scalable