what does member_status pending means

hs raghu hsrmmr at gmail.com
Thu Aug 2 03:33:15 EDT 2012


Update:

      For some reason the ring appears to be unstable.

      Some node are unreachable intermittently. The ring includes 4 nodes
(1 laptop + 2 VMs on laptop + 1 separate host).

      I did install all of them according to procedure and added them to
ring after testing locally.

      The curl call to get some key values hang intermittently, at the
'member_status' command at those instances show that some node are
unreachable.

      ============================== Unreachable Nodes
==============================
The following nodes are unreachable: ['riak at 192.168.20.35',  '
riak at 192.168.21.59',  'riak at 192.168.21.60']

      Any hint for debugging or pointer to documentation is appreciated.

regards,
Hrishikesh


On Thu, Aug 2, 2012 at 12:10 PM, hs raghu <hsrmmr at gmail.com> wrote:

> Hi,
>
>      I  am exploring Riak cluster of 4 nodes. All nodes are valid nodes, I
> could query data from buckets from all nodes locally.
>
>      However, following 'member_status' is not clear to me.
>
>      My queries are:
>      1.  I have very less data in this ring, and the data is already
> replicated to each node (because I can query it locally). What the
> 'pending' state?
>           Why only the first node to form ring (i.e. 192.168.20.81) shows
> ring status 100%?
>      2.  Second node to join the ring shows pending 50%, what does this
> mean?
>      3.  Similarly, 'transfers' shows that there are 3 nodes which waiting
> to handoff 32 partitions. Since data is very less the handoff should have
> been
>           completed long time back. Is there something wrong in
> configuration?
>
>      I tried to look for answers into documentation, however couldn't get
> any detailed information about this. Any help or pointers regarding this
> are highly appreciated.
>
> regards,
> hsr
>
>
> root at xxxxxx:~# /usr/sbin/riak-admin member_status
> Attempting to restart script through sudo -u riak
> ================================= Membership
> ==================================
> Status     Ring    Pending    Node
>
> -------------------------------------------------------------------------------
> valid       0.0%     50.0%    'riak at 192.168.20.35'
> valid     100.0%     50.0%    'riak at 192.168.20.81'
> valid       0.0%      0.0%    'riak at 192.168.21.59'
> valid       0.0%      0.0%    'riak at 192.168.21.60'
>
> -------------------------------------------------------------------------------
>
>
> root at xxxxxx:~# /usr/sbin/riak-admin transfers
>
> Attempting to restart script through sudo -u riak'riak at 192.168.21.60' waiting to handoff 32 partitions'riak at 192.168.21.59' waiting to handoff 32 partitions'riak at 192.168.20.35' waiting to handoff 32 partitions
>
>
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