Hi Nik,
I found the that I am not able to do decommissioning over multiple nodes.
I can do decommissioning over a single node.
These cmds below work perfectly for my ES cluster:
"cluster.routing.allocation.exclude._name": "node-1"
"cluster.routing.allocation.exclude._name": "node-2"
"cluster.routing.allocation.exclude._ip": "ip1"
"cluster.routing.allocation.exclude._ip": "ip2"
But none of these cmds below has effect for my ES cluster:
"cluster.routing.allocation.exclude._name": "node-1,node-2"
"cluster.routing.allocation.exclude._name": ["node-1", "node-2"]
"cluster.routing.allocation.exclude._ip": "ip1,ip2"
"cluster.routing.allocation.exclude._ip": "ip1, ip2"
I also notice that extra spaces for "_name" or "_ip" field cause the cmd to
fail (no effect).
For example, none of these cmds below works.
"cluster.routing.allocation.exclude._ip": " ip1 "
"cluster.routing.allocation.exclude._name": "node-1 "
I am running this version of ES on Ubuntu 14.04:
elasticsearch -v
Version: 1.4.0, Build: bc94bd8/2014-11-05T14:26:12Z, JVM: 1.8.0_25
I checked release notes of ES 1.4.1 and 1.4.2, and I didn't find some bug
fixing notes for this "decommissioning over multiple nodes" function.
Is this a bug? Or, I omit something important?
Regards,
Ye
On Tuesday, December 2, 2014 4:07:15 PM UTC-5, Nikolas Everett wrote:
If you mean allocation filtering (like
cluster.routing.allocation.exclude._ip) then you just need to specify all
three ip addresses with commas between them.
Nik
On Tue, Dec 2, 2014 at 4:00 PM, Mark Walkom <markw...@gmail.com
<javascript:>> wrote:
What do you mean by decommission, there is no API call for that, unless
you meant shutdown?
The easiest way would be to power down one node at a time, waiting for
things to rebalance before shutting another down.
On 3 December 2014 at 03:01, Noam Gazit <no...@totango.com <javascript:>>
wrote:
Hi,
I wanted to reduce my cluster size by 3 data nodes (from 27 to 24).
I issued 3 decommission API calls one after the other and saw their
shards start moving.
I waited for all the shards to relocate, but when I checked to make sure
they can safely be removed I found out that they have new shards on them.
Is there a limit to the number of nodes that can be decommissioned at
the same time?
Is there a timeout for the decommission definition for a node?
Anything else?
Thanks for the help,
Noam
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