Hello All,
We have a cluster of three machines (Debian 6.0, 4GB RAM,
riak_1.0.2-1_amd64.deb, n_val: 3) that serves an application for a
while. As we go to production soon added a fourth machine to the cluster
(exactly the same as the first three) yesterday. The partition handoff
began in the late afternoon and I had an impression that the transition
will not take too long as there are only few hundred IMPORTANT records
in the storage for the moment. Today in the morning checked the
situation again and realized the partition handoff still runs (or get
stuck). The Ownership Handoff is still the same since yesterday (at
least 19 hours till now). Any suggestions to fix the problem are welcome :-)
REMARK: Replaced the IP addresses for security sake
# riak-admin ringready
Attempting to restart script through sudo -u riak
TRUE All nodes agree on the ring
['r...@yyy.yyy.yyy.yyy','r...@xxx.xxx.xxx.xxx','r...@aaa.aaa.aaa.aaa','r...@bbb.bbb.bbb.bbb']
# riak-admin transfers
Attempting to restart script through sudo -u riak
'r...@bbb.bbb.bbb.bbb' waiting to handoff 2 partitions
'r...@aaa.aaa.aaa.aaa' waiting to handoff 2 partitions
'r...@yyy.yyy.yyy.yyy' waiting to handoff 2 partitions
# riak-admin ring_status
Attempting to restart script through sudo -u riak
================================== Claimant
===================================
Claimant: 'r...@xxx.xxx.xxx.xxx'
Status: up
Ring Ready: true
============================== Ownership Handoff
==============================
Owner: r...@xxx.xxx.xxx.xxx
Next Owner: r...@yyy.yyy.yyy.yyy
Index: 548063113999088594326381812268606132370974703616
Waiting on: [riak_kv_vnode]
Complete: [riak_pipe_vnode]
Index: 1370157784997721485815954530671515330927436759040
Waiting on: [riak_kv_vnode]
Complete: [riak_pipe_vnode]
-------------------------------------------------------------------------------
============================== Unreachable Nodes
==============================
All nodes are up and reachable
# riak-admin member_status
Attempting to restart script through sudo -u riak
================================= Membership
==================================
Status Ring Pending Node
-------------------------------------------------------------------------------
valid 21.9% 25.0% 'r...@yyy.yyy.yyy.yyy'
valid 28.1% 25.0% 'r...@xxx.xxx.xxx.xxx'
valid 25.0% 25.0% 'r...@aaa.aaa.aaa.aaa'
valid 25.0% 25.0% 'r...@bbb.bbb.bbb.bbb'
-------------------------------------------------------------------------------
Valid:4 / Leaving:0 / Exiting:0 / Joining:0 / Down:0
--
Ivaylo Panitchkov
Software developer
Hibernum Creations Inc.
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