Hello,
I am in the process of increasing the replica from 4x2 to 4x3 bricks on
three physical nodes; even if the three hosts have 4x1 Gb ethernet
interfaces connected to the same switch with "balance-alb" bonding, I am
seeing extreme slowness in replicating the data to the third replica,
somewhere near 40-50 Mbit/s.
I have tested the bandwidth using netperf and proved that it can reach
800-900 Mbit/s per channel (that is, per source host up to 4 hosts).
Is there any GlusterFS option I should check to verify there are no
bottlenecks?
I am still using Gluster 3.4.7 because of the following:
- https://bugzilla.redhat.com/show_bug.cgi?id=1168897
"remove-brick" reports "Cluster op-version must atleast be 30600."
- https://bugzilla.redhat.com/show_bug.cgi?id=1113778
gluster volume heal info reports "Volume heal failed"
Regards
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