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authorVladimir Kobal <vlad@prokk.net>2020-02-01 00:05:45 +0200
committerGitHub <noreply@github.com>2020-02-01 00:05:45 +0200
commit177af26ea878e673166ebbeb4518539f624a81f0 (patch)
tree9f874527a1e6e25c85a05d62b3623e6d8b5f79fd /backends
parent43bc627b1dc2e667ad2e6e8a0c2ff1e0b512dcdf (diff)
Parse host tags (#7702)
* Fix memory leaks * Check for configuration options * Parse simple tags * Parse JSON tags * Remove an unnecessary check * Parse a JSON object * Parse a JSON array * Update the documentation * Fix host locks
Diffstat (limited to 'backends')
-rw-r--r--backends/README.md11
1 files changed, 8 insertions, 3 deletions
diff --git a/backends/README.md b/backends/README.md
index 470544774b..767fd05f43 100644
--- a/backends/README.md
+++ b/backends/README.md
@@ -183,9 +183,14 @@ from your Netdata):
are different: disks with device-mapper, interrupts, QoS classes, statsd synthetic charts, etc.
- `host tags = list of TAG=VALUE` defines tags that should be appended on all metrics for the given host. These are
- currently only sent to opentsdb and prometheus. Please use the appropriate format for each time-series db. For
- example opentsdb likes them like `TAG1=VALUE1 TAG2=VALUE2`, but prometheus like `tag1="value1",tag2="value2"`. Host
- tags are mirrored with database replication (streaming of metrics between Netdata servers).
+ currently only sent to graphite, json, opentsdb and prometheus. Please use the appropriate format for each
+ time-series db. For example opentsdb likes them like `TAG1=VALUE1 TAG2=VALUE2`, but prometheus like `tag1="value1",
+ tag2="value2"`. Host tags are mirrored with database replication (streaming of metrics between Netdata servers).
+
+ Starting from Netdata v1.20 the host tags are parsed in accordance with a configured backend type and stored as
+ host labels so that they can be reused in API responses and exporting connectors. The parsing is supported for
+ graphite, json, opentsdb, and prometheus (default) backend types. You can check how the host tags were parsed using
+ the /api/v1/info API call.
## monitoring operation