subject:"\[ceph\-users\] Ceph Write process"

Re: [ceph-users] Ceph Write process

2016-01-26 Thread Sam Huracan

Thanks Loris, So after client receiving ACK, if client makes a read request to this object immediately , does it have to wait for object written to file store, or read directly from journal? 2016-01-25 17:12 GMT+07:00 Loris Cuoghi : > > Le 25/01/2016 11:04, Sam Huracan a

Re: [ceph-users] Ceph Write process

2016-01-25 Thread Loris Cuoghi

Le 25/01/2016 11:04, Sam Huracan a écrit : > Hi Cephers, > > When an Ceph write made, does it write to all File Stores of Primary OSD > and Secondary OSD before sending ACK to client, or it writes to journal > of OSD and sending ACK without writing to File Store? > > I think it would write to

[ceph-users] Ceph Write process

2016-01-25 Thread Sam Huracan

Hi Cephers, When an Ceph write made, does it write to all File Stores of Primary OSD and Secondary OSD before sending ACK to client, or it writes to journal of OSD and sending ACK without writing to File Store? I think it would write to journal of all OSD, so using SSD journal will increase