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#support
Title
# support
d

Divyanshu Negi

04/20/2023, 2:49 PM
Hi Team , I am running my Signoz server on AWS EC2 instance, I want to know the
system_filesystem_usage
which is currently running at 68 GB out of 256GB allocated to it, I need to put a dashboard in Signoz which we can monitor and set alert when it reaches to 200GB so we can prepare for upgrade or clean up old data to make space. Question: How to track this metric ? in Query builder I am using
system_filesystem_usage
this and where is
device in /dev/xvda1
and metric is
COUNT
which is returning
30
s

Srikanth Chekuri

04/21/2023, 5:49 AM
COUNT
is not a correct aggregation. It just returns the count of metric points.
system_filesystem_usage
is up down counter. So you can use something like
Max
in the time range.
d

Divyanshu Negi

04/21/2023, 12:34 PM
ok, Thanks , I have converted it to Max and metric is
bytes
now its showing 74 GB, when checking from terminal after SSH into the machine with
df -h
its showing 70 GB, not sure if its correct to assume that they are same. am I missing something ?
s

Srikanth Chekuri

04/21/2023, 3:19 PM
What does it show if you select
NOOP
? It is the data without any aggregation. I suggested
MAX
since that would be appropriate considering the work case. but since it is an up-down counter, that value might go down in the aggregation interval duration.
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