53 lines
2.1 KiB
Plaintext
53 lines
2.1 KiB
Plaintext
[[breaking_20_stats_info_and_literal_cat_literal_changes]]
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=== Stats, info, and `cat` changes
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==== Sigar removed
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We no longer ship the Sigar library for operating system dependent statistics,
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as it no longer seems to be maintained. Instead, we rely on the statistics
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provided by the JVM. This has resulted in a number of changes to the node
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info, and node stats responses:
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* `network.*` has been removed from nodes info and nodes stats.
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* `fs.*.dev` and `fs.*.disk*` have been removed from nodes stats.
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* `os.*` has been removed from nodes stats, except for `os.timestamp`,
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`os.load_average`, `os.mem.*`, and `os.swap.*`.
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* `os.mem.total` and `os.swap.total` have been removed from nodes info.
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* `process.mem.resident` and `process.mem.share` have been removed from node stats.
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==== Removed `id_cache` from stats apis
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Removed `id_cache` metric from nodes stats, indices stats and cluster stats
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apis. This metric has also been removed from the shards cat, indices cat and
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nodes cat apis. Parent/child memory is now reported under fielddata, because
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it has internally be using fielddata for a while now.
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To just see how much parent/child related field data is taking, the
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`fielddata_fields` option can be used on the stats apis. Indices stats
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example:
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[source,js]
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--------------------------------------------------
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GET /_stats/fielddata?fielddata_fields=_parent
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--------------------------------------------------
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==== Percolator stats
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The total time spent running percolator queries is now called `percolate.time`
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instead of `percolate.get_time`.
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==== Cluster state REST API
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The cluster state API doesn't return the `routing_nodes` section anymore when
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`routing_table` is requested. The newly introduced `routing_nodes` flag can be
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used separately to control whether `routing_nodes` should be returned.
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==== Index status API
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The deprecated index status API has been removed.
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==== Nodes Stats API
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Queue lengths are now reported as basic numeric so they can easily processed by code. Before we used a human
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readable format. For example, a queue with 1,000 items is now reported as `1000` instead of `1k`.
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