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| author | Joel Hans <joel@netdata.cloud> | 2019-10-10 07:43:47 -0700 |
|---|---|---|
| committer | Chris Akritidis <43294513+cakrit@users.noreply.github.com> | 2019-10-10 16:43:46 +0200 |
| commit | cc38b9ded4004562b06ed72bb22660cf74c802d2 (patch) | |
| tree | d69b6d9f66bff185f7d7ffb6106fa1351c3e7165 /docs/getting-started.md | |
| parent | d01816f0d7cf639e6f8cc65ad1f6d77bf1171a66 (diff) | |
Tutorials to support v1.18 features (#6993)
* Tweaks to metrics storage for dbengine default
* More work on tutorials
* Finished draft of hdfs/zookeeper tutorial
* A few tweaks to tutorials
* Tweaks to dbengine text
* Addressing comments from Ilya and Thiago
* Fixing links
* Changed dbengine retention and alarm numbers
Diffstat (limited to 'docs/getting-started.md')
| -rw-r--r-- | docs/getting-started.md | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/docs/getting-started.md b/docs/getting-started.md index ce35581920..44e2573830 100644 --- a/docs/getting-started.md +++ b/docs/getting-started.md @@ -159,14 +159,13 @@ Find the `SEND_EMAIL="YES"` line and change it to `SEND_EMAIL="NO"`. ## 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?**: |