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From Flavien Charlon <flavien.char...@gmail.com>
Subject Re: "Not enough replicas available for query" after reboot
Date Fri, 05 Feb 2016 01:13:16 GMT
Yes, that works with consistency ALL.

I restarted one of the Cassandra instances, and seems it's working again
now. I'm not sure what happened.

On 4 February 2016 at 23:48, Peddi, Praveen <peddi@amazon.com> wrote:

> Are you able to run queries using cqlsh with consistency ALL?
>
> On Feb 4, 2016, at 6:32 PM, Flavien Charlon <flavien.charlon@gmail.com>
> wrote:
>
> No, there was no other change. I did run "apt-get upgrade" before
> rebooting, but Cassandra has not been upgraded.
>
> On 4 February 2016 at 22:48, Bryan Cheng <bryan@blockcypher.com> wrote:
>
>> Hey Flavien!
>>
>> Did your reboot come with any other changes (schema, configuration,
>> topology, version)?
>>
>> On Thu, Feb 4, 2016 at 2:06 PM, Flavien Charlon <
>> flavien.charlon@gmail.com> wrote:
>>
>>> I'm using the C# driver 2.5.2. I did try to restart the client
>>> application, but that didn't make any difference, I still get the same
>>> error after restart.
>>>
>>> On 4 February 2016 at 21:54, <SEAN_R_DURITY@homedepot.com> wrote:
>>>
>>>> What client are you using?
>>>>
>>>>
>>>>
>>>> It is possible that the client saw nodes down and has kept them marked
>>>> that way (without retrying). Depending on the client, you may have options
>>>> to set in RetryPolicy, FailoverPolicy, etc. A bounce of the client will
>>>> probably fix the problem for now.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> Sean Durity
>>>>
>>>>
>>>>
>>>> *From:* Flavien Charlon [mailto:flavien.charlon@gmail.com]
>>>> *Sent:* Thursday, February 04, 2016 4:06 PM
>>>> *To:* user@cassandra.apache.org
>>>> *Subject:* Re: "Not enough replicas available for query" after reboot
>>>>
>>>>
>>>>
>>>> Yes, all three nodes see all three nodes as UN.
>>>>
>>>>
>>>>
>>>> Also, connecting from a local Cassandra machine using cqlsh, I can run
>>>> the same query just fine (with QUORUM consistency level).
>>>>
>>>>
>>>>
>>>> On 4 February 2016 at 21:02, Robert Coli <rcoli@eventbrite.com> wrote:
>>>>
>>>> On Thu, Feb 4, 2016 at 12:53 PM, Flavien Charlon <
>>>> flavien.charlon@gmail.com> wrote:
>>>>
>>>> My cluster was running fine. I rebooted all three nodes (one by one),
>>>> and now all nodes are back up and running. "nodetool status" shows UP for
>>>> all three nodes on all three nodes:
>>>>
>>>>
>>>>
>>>> --  Address        Load       Tokens  Owns    Host ID
>>>>             Rack
>>>>
>>>> UN  xx.xx.xx.xx    331.84 GB  1       ?
>>>> d3d3a79b-9ca5-43f9-88c4-c3c7f08ca538  RAC1
>>>>
>>>> UN  xx.xx.xx.xx    317.2 GB   1       ?
>>>> de7917ed-0de9-434d-be88-bc91eb4f8713  RAC1
>>>>
>>>> UN  xx.xx.xx.xx  291.61 GB  1       ?
>>>> b489c970-68db-44a7-90c6-be734b41475f  RAC1
>>>>
>>>>
>>>>
>>>> However, now the client application fails to run queries on the cluster
>>>> with:
>>>>
>>>>
>>>>
>>>> Cassandra.UnavailableException: Not enough replicas available for query
>>>> at consistency Quorum (2 required but only 1 alive)
>>>>
>>>>
>>>>
>>>> Do *all* nodes see each other as UP/UN?
>>>>
>>>>
>>>>
>>>> =Rob
>>>>
>>>>
>>>>
>>>>
>>>>
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>>
>

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