These old indices should be deleted by ES according to ILM policy, right?

Elastic Stack Elasticsearch
1

Greetings.

I have implemented index lifecycle management on beats. Here's the configuration we are using:

PUT /_ilm/policy/beat_default_lifecycle_policy
{
    "policy": {
        "phases": {
        "hot": {
            "min_age": "0ms",
            "actions": {
                "rollover": {
                    "max_size": "5gb"
                },
                "set_priority": {
                    "priority": 100
                }
            }
        },
        "delete": {
            "min_age": "7d",
            "actions": {
                "delete": {}
            }
        }
    }
}
}

So... If an index is over 5GB it should be deleted in 7 days. The indexes are not, however, being deleted.

One index this ILM should apply to is packetbeat-7.3.1-2019.09.10-000001. Here are some of the settings;

{
  "index.blocks.read_only_allow_delete": "false",
  "index.priority": "1",
  "index.write.wait_for_active_shards": "1",
  "index.lifecycle.name": "beat_default_lifecycle_policy",
  "index.lifecycle.rollover_alias": "packetbeat-7.3.1",
  "index.mapping.total_fields.limit": "10000",
...
}

index
index.png2214×134 22.4 KB

It's well over 5GB. Shouldn't this index be deleted by ES?

Thank you.

2

The size for rollover is the size of the primary, I don't know whether the screenshot's "Storage size" is just the primary or whether it factors in the size of the replica as well.

You can check with:

GET /_cat/shards/packetbeat-7.3.1-2019.09.10-000001?v

You can also see ILM explanation in:

GET /packetbeat-7.3.1-2019.09.10-000001/_ilm/explain?human

Which would be helpful to see.

1 Like
3

Thank you for the reply. Interesting...

When I run that first command it outputs

index shard prirep state docs store ip node
packetbeat-7.3.1-2019.09.10-000001 0 p STARTED 21088072 7.9gb 127.0.0.1 serverName
packetbeat-7.3.1-2019.09.10-000001 0 r UNASSIGNED

4

Okay it does look like it should be large enough to roll over.

What was the output of the second command?

5

That one shows an issue - but I'm not sure how to address it or if it's causing the problem.

{
"indices" : {
"packetbeat-7.3.1-2019.09.10-000001" : {
"index" : "packetbeat-7.3.1-2019.09.10-000001",
"managed" : true,
"policy" : "beat_default_lifecycle_policy",
"lifecycle_date" : "2019-09-10T17:38:41.521Z",
"lifecycle_date_millis" : 1568137121521,
"age" : "90.21d",
"phase" : "hot",
"phase_time" : "2019-09-10T17:38:41.609Z",
"phase_time_millis" : 1568137121609,
"action" : "rollover",
"action_time" : "2019-09-10T17:40:02.228Z",
"action_time_millis" : 1568137202228,
"step" : "ERROR",
"step_time" : "2019-09-26T02:40:08.666Z",
"step_time_millis" : 1569465608666,
"failed_step" : "check-rollover-ready",
"step_info" : {
"type" : "master_not_discovered_exception",
"reason" : null,
"stack_trace" : """MasterNotDiscoveredException[null]
at org.elasticsearch.action.support.master.TransportMasterNodeAction$AsyncSingleAction$3.onTimeout(TransportMasterNodeAction.java:251)
at org.elasticsearch.cluster.ClusterStateObserver$ContextPreservingListener.onTimeout(ClusterStateObserver.java:325)
at org.elasticsearch.cluster.ClusterStateObserver$ObserverClusterStateListener.onTimeout(ClusterStateObserver.java:252)
at org.elasticsearch.cluster.service.ClusterApplierService$NotifyTimeout.run(ClusterApplierService.java:572)
at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:688)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:835)
"""
},
"phase_execution" : {
"policy" : "packetbeat-7.3.1",
"phase_definition" : {
"min_age" : "0ms",
"actions" : {
"rollover" : {
"max_size" : "50gb",
"max_age" : "30d"
}
}
},
"version" : 1,
"modified_date" : "2019-09-10T17:38:41.280Z",
"modified_date_in_millis" : 1568137121280
}
}
}
}

6

You should be able to retry this with:

POST /packetbeat-7.3.1-2019.09.10-000001/_ilm/retry

This should retry the step since it's in an error state.

In later versions of ES we've added automatic retry for some steps.

1 Like
7

That operation was successful. Thank you.

8

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