what does member_status pending means

Mark Phillips mark at basho.com
Thu Aug 2 11:43:47 EDT 2012


Hi Hrishikesh,

I assume this is Riak v1.1.4?

On Thu, Aug 2, 2012 at 12:33 AM, hs raghu <hsrmmr at gmail.com> wrote:
> 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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