# Heatmaps / missing values / "too many series"
**URL:** https://discuss.elastic.co/t/heatmaps-missing-values-too-many-series/152252
**Category:** Kibana
**Created:** [October 12, 2018, 1:54pm UTC](https://discuss.elastic.co/t/heatmaps-missing-values-too-many-series/152252 "2018-10-12T13:54:50Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@ethrbunny](https://discuss.elastic.co/u/ethrbunny)
#### Post date: [October 12, 2018, 1:54pm UTC](https://discuss.elastic.co/t/heatmaps-missing-values-too-many-series/152252/1 "2018-10-12T13:54:50Z")
Im trying to put together a heat map of mount points (x-axis) X host name (y-axis) with "system.filesystem.used\_pct" as the z-axis. There are a few issues surfacing that Im not sure how to address:
1- if I set mount points to size 10 and hosts to size 5 I get a chart with \> 20 y axis values. Ignoring the size param?
2 - if I set either value any higher I get the message "too many series" - what does this mean?
3 - no matter what value(s) I use for x or y axis the majority of the squares are empty. Ive checked the data and all of the values are being sent. What param am I missing / misusing? I have the lowest coloration set to start from 0 so even if the relevant disk/mount is empty there should be a value represented.
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [November 9, 2018, 2:09pm UTC](https://discuss.elastic.co/t/heatmaps-missing-values-too-many-series/152252/2 "2018-11-09T14:09:02Z")
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