phliar

5 ms·

1. 1.▲
   by phliar 16y ago

   For anyone else interested in Clustra: Sun used to have decent HADB docs and whitepapers on bigadmin, but I can't find them any more in the new Oracle world. The two Sun projects that used HADB were Glassfish (clustered fault-tolerant app s
2. 2.▲
   by phliar 16y ago

   Clustra/HADB did use disks (can't have all your data disappear if you turn off the cluster!) but a running system was in-mem in operation -- if your database was much bigger than the RAM available it was unusable. (I never used Hypra.)
3. 3.▲
   by phliar 16y ago

   You mean the Clustra that was acquired by Sun and renamed HADB? I used it, and as far as I can remember, the HADB fault-tolerant story was that each node has a mirror that takes over if the first fails; and it's basically all in-memory. The