Send float number with zabbix_sender

[skiny13]

Hi,

i'm trying to send a custom data to my Zabbix server using "zabbix_sender".
The data is the result of "iostat -c" (a package that gives cpu load), and this data is a float (0.59 for instance).
I've added an item "CPU", with the keys "user" and as "Type of information" I've selected "Numeric (float)".

My zabbix_sender command line is:

zabbix_sender -z 192.168.1.250 -p 10051 -s "Zabbix server" -k "user" -o $user

This gives me

Info from server: "Processed 0 Failed 1 Total 1 Seconds spent 0.000101"

I think this is because I send a float, but I don't understand why Zabbix can't receive such value.

Thanks for your help.

[NAR]

Similar problem

I have the similar problem (on Zabbix 3.4 on Debian 9.2 strech). I created the float item, sent the value:

> zabbix_sender -vv -z localhost -p 10051 -s api_test -k 'blockchain.float' -o 342.45
zabbix_sender [11183]: DEBUG: answer [{"response":"success","info":"processed: 0; failed: 1; total: 1; seconds spent: 0.000018"}]
info from server: "processed: 0; failed: 1; total: 1; seconds spent: 0.000018"
sent: 1; skipped: 0; total: 1

Then I changed the type of the item to integer, it worked:

> zabbix_sender -vv -z localhost -p 10051 -s api_test -k 'blockchain.float' -o 342
zabbix_sender [20122]: DEBUG: answer [{"response":"success","info":"processed: 1; failed: 0; total: 1; seconds spent: 0.000052"}]
info from server: "processed: 1; failed: 0; total: 1; seconds spent: 0.000052"
sent: 1; skipped: 0; total: 1

I changed the type back to float and now it works even for floats:

zabbix_sender -vv -z localhost -p 10051 -s api_test -k 'blockchain.float' -o 342.47
zabbix_sender [25568]: DEBUG: answer [{"response":"success","info":"processed: 1; failed: 0; total: 1; seconds spent: 0.000073"}]
info from server: "processed: 1; failed: 0; total: 1; seconds spent: 0.000073"
sent: 1; skipped: 0; total: 1

Why didn't it work for the first time?