New-fangled Timeseries Data Store

OpenNMS

Last update: Oct 3, 2022

Related tags

Database newts

Overview

Newts

Newts is a time-series data store based on Apache Cassandra.

Features

High throughput: Newts is built upon Apache Cassandra, a write-optimized, fully distributed partioned row store.
Grouped access: It's common to collect, store, and retrieve metrics together, (think bytes in and bytes out, or 1, 5, and 15 minute load averages.); Newts allows for similar metrics to be grouped together, for more efficient storage and retrieval.
Late aggregation: Most time-series solutions perform in-line aggregations for purposes of later ploting visualizations, even though the ratio of reads to write is staggeringly small. Newts performs plot aggregations at the time of the read.
Searchable Metadata: Fully searchable sample resource metadata.

More information can be found in the project Wiki, or the homepage.

Comments

Add P95 and P99 as standard aggregations

I'm running with these in our environment, and they seem to be working okay. The approach for calculating these values is pretty naive, but a quick look didn't suggest anything better for this use case.

opened by msakrejda 7
NEWTS-81: Refactor CassandraSession into an interface/implementation

Refactored CassandraSession into a interface/implementation combo so that Apache Aries Blueprint can proxy CassandraSession as an OSGi service without requiring the ext:proxy-method="classes" extension.

opened by soleger 4
NMS-13029: Re-insert resource metadata for TTL

The resource metadata cache now respects the TTL used to store the resource metadata. By expiring the cache before the TTL ends, the resource metadata will be re-inserted and therefore the TTL will be expanded.

JIRA: https://issues.opennms.org/browse/NMS-13029

opened by fooker 2
Bump jackson-databind from 2.5.4 to 2.13.4.1
Bumps jackson-databind from 2.5.4 to 2.13.4.1.

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dependencies java
opened by dependabot[bot] 1
Bump jackson-databind from 2.5.4 to 2.12.6.1
Bumps jackson-databind from 2.5.4 to 2.12.6.1.

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dependencies java
opened by dependabot[bot] 1
Bump jackson-databind from 2.5.4 to 2.9.10.8
Bumps jackson-databind from 2.5.4 to 2.9.10.8.

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dependencies
opened by dependabot[bot] 1
Bump jackson-databind from 2.5.4 to 2.9.10.7
Bumps jackson-databind from 2.5.4 to 2.9.10.7.

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dependencies
opened by dependabot[bot] 1
Bump jackson-databind from 2.5.4 to 2.9.10.5
Bumps jackson-databind from 2.5.4 to 2.9.10.5.

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dependencies
opened by dependabot[bot] 1
Bump jackson-databind from 2.5.4 to 2.9.10.4
Bumps jackson-databind from 2.5.4 to 2.9.10.4.

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dependencies
opened by dependabot[bot] 1
Bump jackson-databind from 2.5.4 to 2.9.10.3
Bumps jackson-databind from 2.5.4 to 2.9.10.3.

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dependencies
opened by dependabot[bot] 1
Bump jackson-databind from 2.5.4 to 2.9.10.1
Bumps jackson-databind from 2.5.4 to 2.9.10.1.

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dependencies
opened by dependabot[bot] 1
Bump jackson-databind from 2.5.4 to 2.12.7.1
Bumps jackson-databind from 2.5.4 to 2.12.7.1.

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dependencies java
opened by dependabot[bot] 0
Bump netty-all from 4.0.29.Final to 4.1.42.Final in /graphite
Bumps netty-all from 4.0.29.Final to 4.1.42.Final.

Commits

bd907c3 [maven-release-plugin] prepare release netty-4.1.42.Final

2791f0f Avoid use of global AtomicLong for ScheduledFutureTask ids (#9599)

86ff76a Fix incorrect comment (#9598)

5e69a13 Cleanup JNI code to always correctly free memory when loading fails and also ...

eb3c4bd ChunkedNioFile can use absolute FileChannel::read to read chunks (#9592)

76592db Close eventfd shutdown/wakeup race by closely tracking epoll edges (#9586)

0a2d85f Fix GraalVM native image build error (#9593)

dc4de7f We need to use NewGloblRef when caching jclass instances (#9595)

4499384 Update to netty-tcnative 2.0.26.Final (#9589)

8648171 Fix *SslEngineTest to not throw ClassCastException and pass in all cases (#9588)

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dependencies java
opened by dependabot[bot] 0
Bump logback-classic from 1.1.3 to 1.2.0
Bumps logback-classic from 1.1.3 to 1.2.0.

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dependencies
opened by dependabot[bot] 0
NEWTS-111: OpenNMS Integration with cloud-hosted Cassandra
Updated Cassandra driver to v3.8.0

Added accessors for cloudConnectBundle

Hooked up existing username and password as client-ID and client-secret when a cloud-connect bundle is configured

Updated logging
opened by jeffgdotorg 4