Riak One partition handoff stall

Gaurav Sood gaurav.sood at mediologysoftware.com
Mon May 28 03:29:17 EDT 2018


Hi All - Good Day!

I have a 7 Node Raik_KV cluster. Recently I have upgraded this cluster from
1.4.2  to 1.4.12 on Ubuntu 16.04. After upgrading the cluster whenever I
leave a node from cluster one partition hand off stalled every time &
Active transfers shows 'waiting to handoff 1 partitions", to complete this
process I need to reboot the riak service on all nodes one by one.

I am not sure if it's configuration problem. Here is the current state of
cluster.

*#output of riak-admin member-status*
================================= Membership
==================================
Status     Ring    Pending    Node
-------------------------------------------------------------------------------
leaving     0.0%      --      'riak at 192.168.2.10'
valid      14.1%      --      'riak at 192.168.2.11'
valid      14.1%      --      'riak at 192.168.2.12'
valid      15.6%      --      'riak at 192.168.2.13'
valid      14.1%      --      'riak at 192.168.2.14'
valid      14.1%      --      'riak at 192.168.2.15'
valid      14.1%      --      'riak at 192.168.2.16'
valid      14.1%      --      'riak at 192.168.2.17'
-------------------------------------------------------------------------------
Valid:7 / Leaving:1 / Exiting:0 / Joining:0 / Down:0

*#output of riak-admin transfers*

'riak at 192.168.2.10' waiting to handoff 1 partitions

Active Transfers:

(nothing here)


*#Output of riak-admin ring_status*
================================== Claimant
===================================
Claimant:  'riak at 192.168.2.10'
Status:     up
Ring Ready: true

============================== Ownership Handoff
==============================
No pending changes.

============================== Unreachable Nodes
==============================
All nodes are up and reachable

*current Transfer Limit is 2.*

Thanks
Gaurav
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