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| -rw-r--r-- | python.d/README.md | 353 |
1 files changed, 295 insertions, 58 deletions
diff --git a/python.d/README.md b/python.d/README.md index 1b04ccdf3..009265f72 100644 --- a/python.d/README.md +++ b/python.d/README.md @@ -125,13 +125,118 @@ If no configuration is given, module will attempt to read log file at `/var/log/ --- +# beanstalk + +Module provides server and tube level statistics: + +**Requirements:** + * `python-beanstalkc` + * `python-yaml` + +**Server statistics:** + +1. **Cpu usage** in cpu time + * user + * system + +2. **Jobs rate** in jobs/s + * total + * timeouts + +3. **Connections rate** in connections/s + * connections + +4. **Commands rate** in commands/s + * put + * peek + * peek-ready + * peek-delayed + * peek-buried + * reserve + * use + * watch + * ignore + * delete + * release + * bury + * kick + * stats + * stats-job + * stats-tube + * list-tubes + * list-tube-used + * list-tubes-watched + * pause-tube + +5. **Current tubes** in tubes + * tubes + +6. **Current jobs** in jobs + * urgent + * ready + * reserved + * delayed + * buried + +7. **Current connections** in connections + * written + * producers + * workers + * waiting + +8. **Binlog** in records/s + * written + * migrated + +9. **Uptime** in seconds + * uptime + +**Per tube statistics:** + +1. **Jobs rate** in jobs/s + * jobs + +2. **Jobs** in jobs + * using + * ready + * reserved + * delayed + * buried + +3. **Connections** in connections + * using + * waiting + * watching + +4. **Commands** in commands/s + * deletes + * pauses + +5. **Pause** in seconds + * since + * left + + +### configuration + +Sample: + +```yaml +host : '127.0.0.1' +port : 11300 +``` + +If no configuration is given, module will attempt to connect to beanstalkd on `127.0.0.1:11300` address + +--- + # bind_rndc Module parses bind dump file to collect real-time performance metrics **Requirements:** * Version of bind must be 9.6 + - * Netdata must have permissions to run `rndc status` + * Netdata must have permissions to run `rndc stats` It produces: @@ -218,6 +323,42 @@ local: --- +# couchdb + +This module monitors vital statistics of a local Apache CouchDB 2.x server, including: + +* Overall server reads/writes +* HTTP traffic breakdown + * Request methods (`GET`, `PUT`, `POST`, etc.) + * Response status codes (`200`, `201`, `4xx`, etc.) +* Active server tasks +* Replication status (CouchDB 2.1 and up only) +* Erlang VM stats +* Optional per-database statistics: sizes, # of docs, # of deleted docs + +### Configuration + +Sample for a local server running on port 5984: +```yaml +local: + user: 'admin' + pass: 'password' + node: 'couchdb@127.0.0.1' +``` + +Be sure to specify a correct admin-level username and password. + +You may also need to change the `node` name; this should match the value of `-name NODENAME` in your CouchDB's `etc/vm.args` file. Typically this is of the form `couchdb@fully.qualified.domain.name` in a cluster, or `couchdb@127.0.0.1` / `couchdb@localhost` for a single-node server. + +If you want per-database statistics, these need to be added to the configuration, separated by spaces: +```yaml +local: + ... + databases: 'db1 db2 db3 ...' +``` + +--- + # cpufreq This module shows the current CPU frequency as set by the cpufreq kernel @@ -271,6 +412,59 @@ It produces one aggregate chart or one chart per dns server, showing the query t --- +# dnsdist + +Module monitor dnsdist performance and health metrics. + +Following charts are drawn: + +1. **Response latency** + * latency-slow + * latency100-1000 + * latency50-100 + * latency10-50 + * latency1-10 + * latency0-1 + +2. **Cache performance** + * cache-hits + * cache-misses + +3. **ACL events** + * acl-drops + * rule-drop + * rule-nxdomain + * rule-refused + +4. **Noncompliant data** + * empty-queries + * no-policy + * noncompliant-queries + * noncompliant-responses + +5. **Queries** + * queries + * rdqueries + * rdqueries + +6. **Health** + * downstream-send-errors + * downstream-timeouts + * servfail-responses + * trunc-failures + +### configuration + +```yaml +localhost: + name : 'local' + url : 'http://127.0.0.1:5053/jsonstat?command=stats' + user : 'username' + pass : 'password' + header: + X-API-Key: 'dnsdist-api-key' +``` + # dovecot This module provides statistics information from dovecot server. @@ -1278,6 +1472,45 @@ When no configuration file is found, module tries to connect to TCP/IP socket: ` --- +# powerdns + +Module monitor powerdns performance and health metrics. + +Following charts are drawn: + +1. **Queries and Answers** + * udp-queries + * udp-answers + * tcp-queries + * tcp-answers + +2. **Cache Usage** + * query-cache-hit + * query-cache-miss + * packetcache-hit + * packetcache-miss + +3. **Cache Size** + * query-cache-size + * packetcache-size + * key-cache-size + * meta-cache-size + +4. **Latency** + * latency + +### configuration + +```yaml +local: + name : 'local' + url : 'http://127.0.0.1:8081/api/v1/servers/localhost/statistics' + header : + X-API-Key: 'change_me' +``` + +--- + # rabbitmq Module monitor rabbitmq performance and health metrics. @@ -1321,10 +1554,10 @@ Following charts are drawn: ```yaml socket: name : 'local' - host : '127.0.0.1' - port : 15672 - user : 'guest' - pass : 'guest' + host : '127.0.0.1' + port : 15672 + user : 'guest' + pass : 'guest' ``` @@ -1573,60 +1806,64 @@ Module uses the `varnishstat` command to provide varnish cache statistics. It produces: -1. **Client metrics** - * session accepted - * session dropped - * good client requests received - -2. **All history hit rate ratio** - * cache hits in percent - * cache miss in percent - * cache hits for pass percent - -3. **Curent poll hit rate ratio** - * cache hits in percent - * cache miss in percent - * cache hits for pass percent - -4. **Thread-related metrics** (only for varnish version 4+) - * total number of threads - * threads created - * threads creation failed - * threads hit max - * length os session queue - * sessions queued for thread - -5. **Backend health** - * backend conn. success - * backend conn. not attempted - * backend conn. too many - * backend conn. failures - * backend conn. reuses - * backend conn. recycles - * backend conn. retry - * backend requests made - -6. **Memory usage** - * memory available in megabytes - * memory allocated in megabytes - -7. **Problems summary** - * session dropped - * session accept failures - * session pipe overflow - * backend conn. not attempted - * fetch failed (all causes) - * backend conn. too many - * threads hit max - * threads destroyed - * length of session queue - * HTTP header overflows - * ESI parse errors - * ESI parse warnings - -8. **Uptime** - * varnish instance uptime in seconds +1. **Connections Statistics** in connections/s + * accepted + * dropped + +2. **Client Requests** in requests/s + * received + +3. **All History Hit Rate Ratio** in percent + * hit + * miss + * hitpass + +4. **Current Poll Hit Rate Ratio** in percent + * hit + * miss + * hitpass +5. **Expired Objects** in expired/s + * objects + +6. **Least Recently Used Nuked Objects** in nuked/s + * objects + + +7. **Number Of Threads In All Pools** in threads + * threads + +8. **Threads Statistics** in threads/s + * created + * failed + * limited + +9. **Current Queue Length** in requests + * in queue + +10. **Backend Connections Statistics** in connections/s + * successful + * unhealthy + * reused + * closed + * resycled + * failed + +10. **Requests To The Backend** in requests/s + * received + +11. **ESI Statistics** in problems/s + * errors + * warnings + +12. **Memory Usage** in MB + * free + * allocated + +13. **Uptime** in seconds + * uptime + + ### configuration No configuration is needed. |