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diff --git a/database/README.md b/database/README.md index 90ae502012..2fcb69b679 100644 --- a/database/README.md +++ b/database/README.md @@ -47,6 +47,8 @@ Currently Netdata supports 6 memory modes: database. There is some amount of RAM dedicated to data caching and indexing and the rest of the data reside compressed on disk. The number of history entries is not fixed in this case, but depends on the configured disk space and the effective compression ratio of the data stored. + This is the **only mode** that supports changing the data collection update frequency + (`update_every`) **without losing** the previously stored metrics. For more details see [here](engine/). You can select the memory mode by editing `netdata.conf` and setting: |