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ac1433d300
This commit adds statistics about the index creation versions to the `/_cluster/stats` endpoint. The
stats look like:
```
{
"_nodes" : {
"total" : 1,
"successful" : 1,
"failed" : 0
},
"indices" : {
"count" : 3,
...
"versions" : [
{
"version" : "8.0.0",
"index_count" : 1,
"primary_shard_count" : 2,
"total_primary_size" : "8.6kb",
"total_primary_bytes" : 8831
},
{
"version" : "7.11.0",
"index_count" : 1,
"primary_shard_count" : 1,
"total_primary_size" : "4.6kb",
"total_primary_bytes" : 4230
}
]
},
...
}
```
(`total_primary_size` is only shown with the `?human` flag)
This is useful for telemetry as it allows us to see if/when a cluster has indices created on a
previous version that would need to be either upgraded or supported during an upgrade.
|
||
|---|---|---|
| .. | ||
| allocation-explain.asciidoc | ||
| get-settings.asciidoc | ||
| health.asciidoc | ||
| nodes-hot-threads.asciidoc | ||
| nodes-info.asciidoc | ||
| nodes-reload-secure-settings.asciidoc | ||
| nodes-stats.asciidoc | ||
| nodes-usage.asciidoc | ||
| pending.asciidoc | ||
| remote-info.asciidoc | ||
| reroute.asciidoc | ||
| state.asciidoc | ||
| stats.asciidoc | ||
| tasks.asciidoc | ||
| update-settings.asciidoc | ||
| voting-exclusions.asciidoc | ||