What do your ES logs show?
On 29 April 2015 at 10:02, Steven B <sbancr...@expectlabs.com> wrote:
> Our Elasticsearch cluster is comprised of 4 very large instances running
> Elasticsearch 1.4.0.
> The Snapshot API is set up to take backups once a day in the evening. We
> maintain 5 snapshots at a time, expiring the old ones as they drop off.
>
> Note that we have a few thousand indices in the cluster.
>
> While the Snapshot API is in progress, many times the cluster will fall
> into a yellow state. Here's an example of the output from GET
> _cluster/health?pretty=true when this happens:
>
> {
> "cluster_name": "elasticsearch-cluster",
> "status": "yellow",
> "timed_out": false,
> "number_of_nodes": 4,
> "number_of_data_nodes": 4,
> ...
> "relocating_shards": 0,
> "initializing_shards": 1,
> "unassigned_shards": 1
> }
>
> It would appear the Snapshot API is somehow interfering with shards
> initialization and/or allocation while the Snapshot is in progress. Once
> the cluster falls into the YELLOW state during the Snapshot, it stays in
> the YELLOW state until the snapshot completes. When the Snapshot completes,
> the cluster immediately switches back to a GREEN state after all unassigned
> shards are allocated to nodes.
>
> Has anyone else experienced this behavior with Elasticsearch Snapshots?
> If so, are there thoughts on what might be causing it? Was there a
> resolution?
>
> Thanks,
> Steven
>
>
> --
> You received this message because you are subscribed to the Google Groups
> "elasticsearch" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to elasticsearch+unsubscr...@googlegroups.com.
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/elasticsearch/90740d3e-67b5-4094-ae82-a2085425c5bf%40googlegroups.com
> <https://groups.google.com/d/msgid/elasticsearch/90740d3e-67b5-4094-ae82-a2085425c5bf%40googlegroups.com?utm_medium=email&utm_source=footer>
> .
> For more options, visit https://groups.google.com/d/optout.
>
--
You received this message because you are subscribed to the Google Groups
"elasticsearch" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to elasticsearch+unsubscr...@googlegroups.com.
To view this discussion on the web visit
https://groups.google.com/d/msgid/elasticsearch/CAEYi1X-eejOCU6XESZR7%2BJhsavhaCn%3DsjsdSyQLvpRm2%2BaE3VQ%40mail.gmail.com.
For more options, visit https://groups.google.com/d/optout.
