In fact, it's not really possible to predict this size if I well understand?
In my case, I have an interval of 15s, a precision in seconds and the values are only floats. Le mercredi 19 octobre 2016 13:45:33 UTC+2, Mathias Herberts a écrit : > > Efficiency of compression depends on different factors, including interval > between timestamps, resolution of said timestamps, volatility and type of > values. > > The 2 or 3 bytes footprint is usually not achievable if you store your > timestamps with milli, micro or nanosecond precision as the delta between > consecutive timestamps will vary and will therefore not compress as well. > > > On Wednesday, October 19, 2016 at 1:04:44 PM UTC+2, Guillaume Berthomé > wrote: >> >> Thank you for your answer. >> >> So let's admit that I have 2 metrics collected every 15 seconds during 24h >> >> - cpu with 20 values >> - mem with 10 values >> >> The total size of stored data will be 3 bytes * 8 metrics per minutes * >> 1440 minutes ? >> >> >> >> Le mardi 18 octobre 2016 18:57:53 UTC+2, Sean Beckett a écrit : >>> >>> After final compactions, InfluxDB uses between 2 and 3 bytes per field >>> value stored. If your metrics are all numbers, then the total steady-state >>> size will be a bit more than 3 bytes * (metrics per minute) * minutes of >>> data stored. >>> >>> See http://docs.influxdata.com/influxdb/v1.0/concepts/storage_engine/ >>> and >>> http://docs.influxdata.com/influxdb/v1.0/guides/hardware_sizing/#how-much-storage-do-i-need >>> for >>> details. >>> >>> On Tue, Oct 18, 2016 at 2:51 AM, <guillau...@gmail.com> wrote: >>> >>>> Hi everybody, >>>> >>>> Is there any way to calculate the database's size from the number >>>> measurements done per minute ? I mean predict the databse behavior (wal >>>> files, tsm files ...) >>>> >>>> Thank you. >>>> >>>> -- >>>> Remember to include the version number! >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "InfluxData" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to influxdb+u...@googlegroups.com. >>>> To post to this group, send email to infl...@googlegroups.com. >>>> Visit this group at https://groups.google.com/group/influxdb. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/influxdb/ee32b8d0-f9bf-40df-baf1-e77fa93cddf5%40googlegroups.com >>>> . >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> >>> >>> -- >>> Sean Beckett >>> Director of Support and Professional Services >>> InfluxDB >>> >> -- Remember to include the version number! --- You received this message because you are subscribed to the Google Groups "InfluxData" group. To unsubscribe from this group and stop receiving emails from it, send an email to influxdb+unsubscr...@googlegroups.com. To post to this group, send email to influxdb@googlegroups.com. Visit this group at https://groups.google.com/group/influxdb. To view this discussion on the web visit https://groups.google.com/d/msgid/influxdb/716ce75f-5830-42b4-83f2-3dcc3999ed2e%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
