Cluster.routing.allocation.awareness.attributes doesn't seem to work

Elastic Stack Elasticsearch
1

Hi Team,

cluster.routing.allocation.awareness.attributes: 34

And I have 2 VMs with this same value. prd-es107.com and prd-es108.com. Both has 34.

I have almost 86 nodes in my cluster.

Below is the shard allocation I get.
table-05-4-2020 4 p STARTED 3800928 5gb 10.2.0.7 prd-es107.com
table-05-4-2020 4 r STARTED 3800928 5gb 10.2.0.8 prd-es108.com

The shards of same name and number should be allocated to a different cluster.routing.allocation.awareness.attributes value and not to same 34 .

Correct me if my understanding or variable setting is wrong.

Regards,
Mannoj Kumar

2

Do the other nodes have attributes set?

3

How do s your shard allocation awareness configured?

4

yes, all nodes.

5

Just with this setting. Nothing else.
cluster.routing.allocation.awareness.attributes: 34

6

It does not sound like you have configured it correctly. Have a look at the docs for examples.

7

Should it be like this ?

node.attr.rack_id: 34
cluster.routing.allocation.awareness.attributes: rack_id

8

Yes, I think that looks better.

9

I made the setting on an existing cluster that has P and R on same BM and I have mentioned like below.

node.attr.rack_id: 028
cluster.routing.allocation.awareness.attributes: rack_id

After this setting did rolling restart on both the nodes, now cluster is green.

But I still see the shard P and R are staying on same BM no change found after change and restarts.

10

can someone help me here? Or should I have to run a job that keeps moving the shards not to go on same BM? Setting in ES doesn't seems to work.

11

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