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Diffstat (limited to 'docs/store/change-metrics-storage.md')
| -rw-r--r-- | docs/store/change-metrics-storage.md | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/docs/store/change-metrics-storage.md b/docs/store/change-metrics-storage.md index 6dde22c04..2ed026c5c 100644 --- a/docs/store/change-metrics-storage.md +++ b/docs/store/change-metrics-storage.md @@ -8,9 +8,10 @@ custom_edit_url: https://github.com/netdata/netdata/edit/master/docs/store/chang import { Calculator } from '../../src/components/agent/dbCalc/' -The [database engine](/database/engine/README.md) uses RAM to store recent metrics. When metrics reach a certain age, -and based on how much system RAM you allocate toward storing metrics in memory, they are compressed and "spilled" to -disk for long-term storage. +The Netdata Agent uses a time-series database (TSDB), named the [database engine +(`dbengine`)](/database/engine/README.md), to store metrics data. The most recently-collected metrics are stored in RAM, +and when metrics reach a certain age, and based on how much system RAM you allocate toward storing metrics in memory, +they are compressed and "spilled" to disk for long-term storage. The default settings retain about two day's worth of metrics on a system collecting 2,000 metrics every second, but the Netdata Agent is highly configurable if you want your nodes to store days, weeks, or months worth of per-second data. @@ -59,15 +60,18 @@ method](/docs/configure/start-stop-restart.md) for your system, to change the da ## What's next? -For more information about the database engine, see our [database reference doc](/database/engine/README.md). +If you have multiple nodes with the Netdata Agent installed, you can [stream +metrics](/docs/metrics-storage-management/how-streaming-works.mdx) from any number of _child_ nodes to a _parent_ node +and store metrics using a centralized time-series database. Streaming allows you to centralize your data, run Agents as +headless collectors, replicate data, and more. Storing metrics with the database engine is completely interoperable with [exporting to other time-series databases](/docs/export/external-databases.md). With exporting, you can use the node's resources to surface metrics when [viewing dashboards](/docs/visualize/interact-dashboards-charts.md), while also archiving metrics elsewhere for further analysis, visualization, or correlation with other tools. -If you don't want to always store metrics on the node that collects them or run ephemeral nodes without dedicated -storage, you can use [streaming](/streaming/README.md). Streaming allows you to centralize your data, run Agents as -headless collectors, replicate data, and more. +### Related reference documentation + +- [Netdata Agent ยท Database engine](/database/engine/README.md) [](<>) |