-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Mark, Thanks for the update. The performance meetings are at a bad time for me and it usually takes a while for them to become available to review later so I'm usually behind on the freshest news. I'm looking forward to the results. - ---------------- Robert LeBlanc PGP Fingerprint 79A2 9CA4 6CC4 45DD A904 C70E E654 3BB2 FA62 B9F1 On Thu, Sep 3, 2015 at 10:42 AM, Mark Nelson wrote: > On 09/03/2015 11:23 AM, Robert LeBlanc wrote: >> >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA256 >> >> Somnath, >> >> I'm having a hard time with your slide deck. Am I understanding >> correctly that the default Hammer install was performed on SSDs with >> co-located journals, but the optimized code was performed on the same >> SSDs but the journal was in NVRAM? If so I'm having a hard time >> understanding how these tests can be comparable. I really like the >> performance gains you are seeing, but I'm trying to understand how >> much the optimized code alone helps performance. > > > Hi Robert, > > We talked about this a bit at the weekly performance meeting. I think > Somnath just hasn't gotten a chance to do those tests yet and is planning on > doing them in the coming weeks. I believe he started out with hammer on the > SSDs and then tried to figure out how to tweak things to make the NVRAM > configuration perform better. Now he has to go back and retest the original > configuration but with the new code. > > Mark -----BEGIN PGP SIGNATURE----- Version: Mailvelope v1.0.2 Comment: https://www.mailvelope.com wsFcBAEBCAAQBQJV6IWbCRDmVDuy+mK58QAAC4MP/RmUaee7sDJcUvMDDySc BexzhwpCQ6Ur/MUrjdWvf2YhPr4d0+gSrFDFpU8bwG056nz8F0QIRufmGY9p b76xhcnTLvwIbIlInAfBXVWYp7uheAz+4znEuVYbmYiCau3FlWe4jnd+ohCg hOuAy/fkcnjXcjv6TToFUr1KIe07xNZkvt4ALWcSeafTwvl3JgddUvpKgBYq KdM2g4RL7KvYDIAmgf4/KKBtX2bcbLXkL48Tc6Ev4NJCcAZk5VlX3eBvQYgY ZWnlRHDNeBlDRvwHzS5aaWdar19qXpSkMjqW4u5YiT+kL0k0jbcTVpu2W+qC 1dOGwMInFnAzT+vgrw8tFy8XEcZ2PWoNmY1wiYTLp+mgvDDeSoqmldmF7R9N lM1woA/NRhpYY9RqHUC8JkUdcW5mZ3yjCMP7fj/5HxPZAe8QAsZrwg91xqew 5WrCnh0kLUGQltE/jSpqBnn1tLGpGkoE5Uowy5nODEWWQbOz9rECOiMdOrAY 3lZXz9QzetYPAa+kAJLQ6AG5fDmq0sIvc30kyVBkOa83aQPrdsSXpwGj1B7W V1iRCb132zzzGFGGlQZZDKkErBKz5Txwki66ExKpiNI7lJ0YYIw1+hMrdLoy SrgYIdZB/7jOnAaDkK68MTrvQKmDUtxLKkBqd8zFhpqMNAj7vlShWfic7fxl Pj/3 =zJ9M -----END PGP SIGNATURE----- -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
