Re: [Openstack] [Swift] How to calculate rsync max connections

2016-12-13 Thread Mark Kirkwood
Thanks Clay, very helpful! On 14/12/16 13:06, Clay Gerrard wrote: I strongly prefer to configure rsyncd with a module per disk: https://github.com/openstack/swift/blob/c0640f87107d84d262c20bdc1250b805ae8f9482/etc/rsyncd.conf-sample#L25 and then tune the per-disk connection limit to 2-4 There

Re: [Openstack] [Swift] How to calculate rsync max connections

2016-12-13 Thread Clay Gerrard
I strongly prefer to configure rsyncd with a module per disk: https://github.com/openstack/swift/blob/c0640f87107d84d262c20bdc1250b805ae8f9482/etc/rsyncd.conf-sample#L25 and then tune the per-disk connection limit to 2-4 There's not really hard and fast rule, in some sense it's related to replic

Re: [Openstack] [Swift] How to calculate rsync max connections

2016-12-13 Thread Mark Kirkwood
Any thoughts on this one guys? On 06/12/16 09:56, Mark Kirkwood wrote: Hi, Is there a way to calculate rsync max connection (i.e based on number of hosts, devices, object server workers etc)? Some context: we have recently gone live with Swift 2.7.0 cluster (2 regions, 6 hosts overall, eac

[Openstack] [Swift] How to calculate rsync max connections

2016-12-05 Thread Mark Kirkwood
Hi, Is there a way to calculate rsync max connection (i.e based on number of hosts, devices, object server workers etc)? Some context: we have recently gone live with Swift 2.7.0 cluster (2 regions, 6 hosts overall, each with 16 cores/32 threads and 4 drives). We have rsync max connections t