Deprecate the cassandra input plugin (#4050)
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Daniel Nelson
GitHub
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## v1.7 [unreleased]
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### Release Notes
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- The `cassandra` input plugin has been deprecated in favor of the `jolokia2`
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input plugin which is much more configurable and more performant. There is
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an [example configuration](./plugins/inputs/jolokia2/examples) to help you
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get started.
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### New Inputs
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- [fibaro](./plugins/inputs/fibaro/README.md) - Contributed by @dynek
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@ -5,7 +5,7 @@ and writing metrics.
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Design goals are to have a minimal memory footprint with a plugin system so
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that developers in the community can easily add support for collecting metrics
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from local or remote services.
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. For an example configuration referencet from local or remote services.
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Telegraf is plugin-driven and has the concept of 4 distinct plugins:
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@ -130,7 +130,7 @@ configuration options.
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* [aws cloudwatch](./plugins/inputs/cloudwatch)
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* [bcache](./plugins/inputs/bcache)
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* [bond](./plugins/inputs/bond)
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* [cassandra](./plugins/inputs/cassandra)
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* [cassandra](./plugins/inputs/cassandra) (deprecated, use [jolokia2](./plugins/inputs/jolokia2))
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* [ceph](./plugins/inputs/ceph)
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* [cgroup](./plugins/inputs/cgroup)
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* [chrony](./plugins/inputs/chrony)
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@ -163,7 +163,7 @@ configuration options.
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* [iptables](./plugins/inputs/iptables)
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* [ipset](./plugins/inputs/ipset)
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* [jolokia](./plugins/inputs/jolokia) (deprecated, use [jolokia2](./plugins/inputs/jolokia2))
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* [jolokia2](./plugins/inputs/jolokia2)
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* [jolokia2](./plugins/inputs/jolokia2) (java, cassandra, kafka)
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* [kapacitor](./plugins/inputs/kapacitor)
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* [kubernetes](./plugins/inputs/kubernetes)
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* [leofs](./plugins/inputs/leofs)
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@ -1,5 +1,8 @@
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# Telegraf plugin: Cassandra
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### **Deprecated in version 1.7**: Please use the [jolokia2](https://github.com/influxdata/telegraf/tree/master/plugins/inputs/jolokia2) plugin with the [cassandra.conf](/influxdata/telegraf/blob/master/plugins/inputs/jolokia2/examples/cassandra.conf) example configuration.
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#### Plugin arguments:
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- **context** string: Context root used for jolokia url
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- **servers** []string: List of servers with the format "<user:passwd@><host>:port"
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@ -5,6 +5,7 @@ import (
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"errors"
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"fmt"
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"io/ioutil"
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"log"
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"net/http"
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"net/url"
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"strings"
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@ -174,7 +175,11 @@ func (c cassandraMetric) addTagsFields(out map[string]interface{}) {
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func (j *Cassandra) SampleConfig() string {
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return `
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# This is the context root used to compose the jolokia url
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## DEPRECATED: The cassandra plugin has been deprecated. Please use the
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## jolokia2 plugin instead.
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##
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## see https://github.com/influxdata/telegraf/tree/master/plugins/inputs/jolokia2
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context = "/jolokia/read"
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## List of cassandra servers exposing jolokia read service
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servers = ["myuser:mypassword@10.10.10.1:8778","10.10.10.2:8778",":8778"]
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@ -258,6 +263,16 @@ func parseServerTokens(server string) map[string]string {
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return serverTokens
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}
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func (c *Cassandra) Start(acc telegraf.Accumulator) error {
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log.Println("W! DEPRECATED: The cassandra plugin has been deprecated. " +
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"Please use the jolokia2 plugin instead. " +
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"https://github.com/influxdata/telegraf/tree/master/plugins/inputs/jolokia2")
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return nil
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}
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func (c *Cassandra) Stop() {
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}
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func (c *Cassandra) Gather(acc telegraf.Accumulator) error {
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context := c.Context
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servers := c.Servers
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@ -2,7 +2,9 @@
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The [Jolokia](http://jolokia.org) _agent_ and _proxy_ input plugins collect JMX metrics from an HTTP endpoint using Jolokia's [JSON-over-HTTP protocol](https://jolokia.org/reference/html/protocol.html).
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## Jolokia Agent Configuration
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### Configuration:
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#### Jolokia Agent Configuration
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The `jolokia2_agent` input plugin reads JMX metrics from one or more [Jolokia agent](https://jolokia.org/agent/jvm.html) REST endpoints.
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@ -32,7 +34,7 @@ Optionally, specify SSL options for communicating with agents:
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paths = ["Uptime"]
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```
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## Jolokia Proxy Configuration
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#### Jolokia Proxy Configuration
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The `jolokia2_proxy` input plugin reads JMX metrics from one or more _targets_ by interacting with a [Jolokia proxy](https://jolokia.org/features/proxy.html) REST endpoint.
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@ -77,7 +79,7 @@ Optionally, specify SSL options for communicating with proxies:
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paths = ["Uptime"]
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```
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## Jolokia Metric Configuration
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#### Jolokia Metric Configuration
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Each `metric` declaration generates a Jolokia request to fetch telemetry from a JMX MBean.
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@ -167,3 +169,11 @@ Both `jolokia2_agent` and `jolokia2_proxy` plugins support default configuration
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| `default_field_separator` | `.` | A character to use to join Mbean attributes when creating fields. |
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| `default_field_prefix` | _None_ | A string to prepend to the field names produced by all `metric` declarations. |
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| `default_tag_prefix` | _None_ | A string to prepend to the tag names produced by all `metric` declarations. |
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### Example Configurations:
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- [Java JVM](/influxdata/telegraf/blob/master/plugins/inputs/jolokia2/examples/java.conf)
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- [Kafka](/influxdata/telegraf/blob/master/plugins/inputs/jolokia2/examples/kafka.conf)
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- [Cassandra](/influxdata/telegraf/blob/master/plugins/inputs/jolokia2/examples/cassandra.conf)
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Please help improve this list and contribute new configuration files by opening an issue or pull request.
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@ -0,0 +1,85 @@
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[[inputs.jolokia2_agent]]
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urls = ["http://localhost:8778/jolokia"]
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name_prefix = "java_"
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[[inputs.jolokia2_agent.metrics]]
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name = "Memory"
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mbean = "java.lang:type=Memory"
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[[inputs.jolokia2_agent.metric]]
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name = "GarbageCollector"
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mbean = "java.lang:name=*,type=GarbageCollector"
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tag_keys = ["name"]
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[[inputs.jolokia2_agent]]
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urls = ["http://localhost:8778/jolokia"]
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name_prefix = "cassandra_"
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[[inputs.jolokia2_agent.metric]]
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name = "Cache"
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mbean = "org.apache.cassandra.metrics:name=*,scope=*,type=Cache"
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tag_keys = ["name", "scope"]
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[[inputs.jolokia2_agent.metric]]
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name = "Client"
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mbean = "org.apache.cassandra.metrics:name=*,type=Client"
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tag_keys = ["name"]
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[[inputs.jolokia2_agent.metric]]
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name = "ClientRequestMetrics"
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mbean = "org.apache.cassandra.metrics:name=*,type=ClientRequestMetrics"
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tag_keys = ["name"]
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[[inputs.jolokia2_agent.metric]]
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name = "ClientRequest"
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mbean = "org.apache.cassandra.metrics:name=*,scope=*,type=ClientRequest"
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tag_keys = ["name", "scope"]
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[[inputs.jolokia2_agent.metric]]
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name = "ColumnFamily"
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mbean = "org.apache.cassandra.metrics:keyspace=*,name=*,scope=*,type=ColumnFamily"
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tag_keys = ["keyspace", "name", "scope"]
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[[inputs.jolokia2_agent.metric]]
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name = "CommitLog"
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mbean = "org.apache.cassandra.metrics:name=*,type=CommitLog"
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tag_keys = ["name"]
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[[inputs.jolokia2_agent.metric]]
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name = "Compaction"
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mbean = "org.apache.cassandra.metrics:name=*,type=Compaction"
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tag_keys = ["name"]
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[[inputs.jolokia2_agent.metric]]
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name = "CQL"
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mbean = "org.apache.cassandra.metrics:name=*,type=CQL"
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tag_keys = ["name"]
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[[inputs.jolokia2_agent.metric]]
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name = "DroppedMessage"
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mbean = "org.apache.cassandra.metrics:name=*,scope=*,type=DroppedMessage"
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tag_keys = ["name", "scope"]
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[[inputs.jolokia2_agent.metric]]
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name = "FileCache"
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mbean = "org.apache.cassandra.metrics:name=*,type=FileCache"
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tag_keys = ["name"]
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[[inputs.jolokia2_agent.metric]]
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name = "ReadRepair"
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mbean = "org.apache.cassandra.metrics:name=*,type=ReadRepair"
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tag_keys = ["name"]
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[[inputs.jolokia2_agent.metric]]
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name = "HintedHandoffManager"
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mbean = "org.apache.cassandra.metrics:type=HintedHandoffManager"
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[[inputs.jolokia2_agent.metric]]
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name = "Storage"
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mbean = "org.apache.cassandra.metrics:name=*,type=Storage"
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tag_keys = ["name"]
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[[inputs.jolokia2_agent.metric]]
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name = "ThreadPools"
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mbean = "org.apache.cassandra.metrics:name=*,path=*,scope=*,type=ThreadPools"
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tag_keys = ["name", "path", "scope"]
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@ -56,13 +56,13 @@ func (jp *JolokiaProxy) SampleConfig() string {
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## Add proxy targets to query
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# default_target_username = ""
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# default_target_password = ""
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[[inputs.jolokia_proxy.target]]
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[[inputs.jolokia2_proxy.target]]
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url = "service:jmx:rmi:///jndi/rmi://targethost:9999/jmxrmi"
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# username = ""
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# password = ""
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## Add metrics to read
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[[inputs.jolokia_proxy.metric]]
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[[inputs.jolokia2_proxy.metric]]
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name = "java_runtime"
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mbean = "java.lang:type=Runtime"
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paths = ["Uptime"]
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