[ceph-users] will open() system call block on Ceph ?

Hi, I am developing an application in C and it opens, reads, writes and closes many files, kind of like a custom database. I am using Linux's io_submit() system call, so all the read()/write() operations are asynchronous. But I don't know about the open() system call, so I have the following questi

[ceph-users] minimum object size in ceph

Hi, when using the C api (RADOS) what is the minimum object size ? And what is the key type ? (uint64_t, char[], or something like that ?) TIA Nulik ___ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph

Re: [ceph-users] minimum object size in ceph

*. Did you mean > some other key? > > > On 08/06/2013 12:13 PM, Nulik Nol wrote: >> >> Hi, >> >> when using the C api (RADOS) what is the minimum object size ? And >> what is the key type ? (uint64_t, char[], or something like that ?) >> >> TI

[ceph-users] run ceph without auth

Hi, I am configuring a single node for developing purposes, but ceph asks me for keyring. Here is what I do: [root@localhost ~]# mkcephfs -c /usr/local/etc/ceph/ceph.conf --prepare-monmap -d /tmp/foo preparing monmap in /tmp/foo/monmap /usr/local/bin/monmaptool --create --clobber --add a 127.0.0.1

[ceph-users] Designing an application with Ceph

Hi, I am planning to use Ceph as a database storage for a webmail client/server application, and I am thinking to store the data as key/value pair instead of using any RDBMSs, for speed. The webmail will manage companies, and each company will have many users, users will end/receive emails and stor

Re: [ceph-users] Designing an application with Ceph

lete than the C++ > api. That would be pretty easily remedied if there were demand > though. > -Sam > > On Tue, Aug 13, 2013 at 2:01 PM, Nulik Nol wrote: >> Hi, >> I am planning to use Ceph as a database storage for a webmail >> client/server application, and I am t