cassandra-exporter

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Feature: support for plugglabe metrics suppliers

3

We have a set of cassandra plugins developed within the company. The plugins are exposing their own set of metrics via JMX. We would like to expose those metrics to...

chicobento

Broken pipe IOException during compaction

5

Hi, I have a node acting as disaster recovery DC… it doesn't have much memory or CPU resources (but of course is good as far as disk space goes) as...

lapo-luchini

We have a custom developed Cassandra exporter that uses the `system_schema.keyspaces` table to export metrics like the following Gauge (containing the replica factor): ``` $ curl localhost:8080/metrics|grep cassandra_keyspace_replication # HELP...

JensRantil

Cassandra rules

2

I couldn't find any alert manager rules for this exporter. Is there such file that I can use?

hadarizi

exporter incompatible with cassandra trunk (4.0)

3

When trying to collect metrics from trunk I've run into this: ``` WARN [prometheus-netty-pool-0] 2019-05-01 15:22:18,501 Slf4JLogger.java:151 - An exceptionCaught() event was fired, and it reached at the tail of...

rustyrazorblade

Export Raw Histogram Data If Possible

3

Determine if it's possible to export raw histogram data as a Prometheus Histogram, rather than as a Summary. This would allow for aggregation and other things.

zegelin

Choose specific percentiles from histogram

7

Currently there is a vast number of metrics at node level as well as table level. Every metrics is important and has its own significance. However, capturing every thing will...

podile

When a table/schema is dropped, removal of MBean causing ConcurrentModificationException java.util.ConcurrentModificationException: null at java.base/java.util.HashMap$HashIterator.nextNode(HashMap.java:1493) at java.base/java.util.HashMap$KeyIterator.next(HashMap.java:1516) at com.google.common.collect.Iterators$6.computeNext(Iterators.java:616) at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:145) at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:140) at com.zegelin.cassandra.exporter.JMXHarvester.reconcileMBeans(JMXHarvester.java:48) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305) at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)...

podile

[Help needed] Minimal metrics setup to monitor node health

1

I'm very new to Cassandra and need to healthcheck a cluster of 5 Cassandra nodes with ~1000 of keyspaces created. With the default setup, I'm getting a huge number of...

Blasterdick

NPE on endpoint snitch

5

I've observed this error just after restart of a node. ``` Exception while processing HTTP request HttpObjectAggregator$AggregatedFullHttpRequest(decodeResult: success, version: HTTP/1.1, content: CompositeByteBuf(ridx: 0, widx: 0, cap: 0, components=0)) GET /metrics...

eperott