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authorDaniel Baumann <daniel.baumann@progress-linux.org>2019-10-26 08:29:37 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2019-10-26 08:29:53 +0000
commitd608b19e0d3b3f4d84fcfcdd72bb7e64c86b6f01 (patch)
tree8c283d1c81d718e64d87d9a2d1132c89f3915939 /docs/getting-started.md
parentReleasing debian version 1.18.0-1. (diff)
downloadnetdata-d608b19e0d3b3f4d84fcfcdd72bb7e64c86b6f01.tar.xz
netdata-d608b19e0d3b3f4d84fcfcdd72bb7e64c86b6f01.zip
Merging upstream version 1.18.1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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## Change how long Netdata stores metrics
-By default, Netdata stores 1 hour of historical metrics and uses about 25MB of RAM.
+By default, Netdata uses a database engine uses RAM to store recent metrics. For long-term metrics storage, the database
+engine uses a "spill to disk" feature that also takes advantage of available disk space and keeps RAM usage low.
-If that's not enough for you, Netdata is quite adaptable to long-term storage of your system's metrics.
+The database engine allows you to store a much larger dataset than your system's available RAM.
-There are two quick ways to increase the depth of historical metrics: increase the `history` value for the round-robin
-that's enabled by default, or switch to the database engine.
-
-We have a tutorial that walks you through both options: [**Changing how long Netdata stores
+If you're not sure whether you're using the database engine, or want to tweak the default settings to store even more
+historical metrics, check out our tutorial: [**Changing how long Netdata stores
metrics**](../docs/tutorials/longer-metrics-storage.md).
**What's next?**: