[7.x] Add ingest info to Cluster Stats (#48485) #48661
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This commit enhances the ClusterStatsNodes response to include global
processor usage stats on a per-processor basis.
example output:
```
...
"processor_stats": {
"gsub": {
"count": 0,
"failed": 0
"current": 0
"time_in_millis": 0
},
"script": {
"count": 0,
"failed": 0
"current": 0,
"time_in_millis": 0
}
}
...
```
The purpose for this enhancement is to make it easier to collect stats on how specific processors are being used across the cluster beyond the current per-node usage statistics that currently exist in node stats.
Closes elastic#46146.
The introduction of processor types into IngestStats had a bug. It was set to `null` and set as the key to the map. This would throw a NPE. This commit resolves this by setting all the processor types from previous versions that are not serializing it out to `_NOT_AVAILABLE`.
|
hey @martijnvg, I asked for a review for this backport because of the second commit. I missed this in the original PR. When fetching node stats from pre-7.6 nodes, the type will be |
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after backporting elastic#48485 in elastic#48661, version guards in master can be updated from 8.0 to 7.6 for IngestStats serialization guards
talevy
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this disables bwc tests for changes made in elastic#48485, that are being backported in elastic#48661. This will be reverted once elastic#48768 is merged.
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back-port of #48485.
with an additional fix commit: