# MySQL Questions chart had wrong values on the MySQL Overview dashboard

**URL:** <https://forums.percona.com/t/mysql-questions-chart-had-wrong-values-on-the-mysql-overview-dashboard/7413>\
**Category:** PMM 1.x\
**Created:** [February 7, 2020, 2:05am UTC](https://forums.percona.com/t/mysql-questions-chart-had-wrong-values-on-the-mysql-overview-dashboard/7413 "2020-02-07T02:05:21Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![fiend](https://avatars.discourse-cdn.com/v4/letter/f/34f0e0/32.png) [@fiend](https://forums.percona.com/u/fiend)\
**Post date:** [February 7, 2020, 2:05am UTC](https://forums.percona.com/t/mysql-questions-chart-had-wrong-values-on-the-mysql-overview-dashboard/7413/1 "2020-02-07T02:05:21Z")

</div>

Hi,  
My environmental information is as follows：  
./pmm-info.sh  
QA PMM Info Script v0.10  
==================== uname -a  
Linux [lgy-0927-149.11-dba.cn](http://lgy-0927-149.11-dba.cn) 3.10.0-862.el7.x86\_64 #1 SMP Fri Apr 20 16:44:24 UTC 2018 x86\_64 x86\_64 x86\_64 GNU/Linux  
==================== /proc/version  
Linux version 3.10.0-862.el7.x86\_64 (builder@kbuilder.dev.centos.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-28) (GCC) ) #1 SMP Fri Apr 20 16:44:24 UTC 2018  
==================== OS Release (filtered cat /etc/\*-release):  
CentOS Linux release 7.5.1804 (Core)  
HOME\_URL=“[https://www.centos.org/](https://www.centos.org/)”  
ID=“centos”  
ID\_LIKE=“rhel fedora”  
NAME=“CentOS Linux”  
PRETTY\_NAME=“CentOS Linux 7 (Core)”  
VERSION=“7 (Core)”  
VERSION\_ID=“7”  
==================== Docker release (docker --version):  
Docker version 18.09.7, build 2d0083d  
==================== SELinux status if present (sestatus):  
SELinux status: disabled  
==================== PMM server images (sudo docker images | grep pmm):  
percona/pmm-server 1.17.2 cc8e60d34a15 3 months ago 1.2GB  
percona/pmm-server 1.17.1 deac61541b67 11 months ago 1.08GB  
==================== PMM server state (sudo docker ps -a | grep pmm):  
3c7634d20213 percona/pmm-server:1.17.2 “/opt/entrypoint.sh” 3 weeks ago Up 3 weeks pmm-server  
c308bd20230c percona/pmm-server:1.17.1 “/opt/entrypoint.sh” 4 weeks ago Exited (0) 3 weeks ago pmm-server-backup  
183c93cb8427 percona/pmm-server:1.17.1 “/bin/true” 7 months ago Created pmm-data

Sometimes the value is very large, much higher than normal, please see the picture

Querying the data obtained by prometheus found that the value of the next timestamp will be smaller than the previous one：  
mysql\_global\_status\_questions{instance=~“49.43\_3701\_db-class\_s”}[1m]  
7416455280 @1581027089.465  
[COLOR=#FF0000]7416455376 @1581027094.465  
[COLOR=#FF0000]7416455333 @1581027099.465  
7416455356 @1581027104.465  
7416455389 @1581027109.465

what should I do，Any advice would be greatly appreciated…  
Thank you

 ![photoid=55305](https://us1.discourse-cdn.com/flex019/uploads/percona1/original/2X/3/3d2052985bdf3e9aed817d2a84bc10fb3e052ee8.png)

---

<div class="post-metadata">

**Author:** ![matthewb](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/matthewb/32/34_2.png) [@matthewb](https://forums.percona.com/u/matthewb)\
**Post date:** [January 4, 2021, 8:45pm UTC](https://forums.percona.com/t/mysql-questions-chart-had-wrong-values-on-the-mysql-overview-dashboard/7413/2 "2021-01-04T20:45:51Z")

</div>

How are you judging what is ‘normal’? What are you comparing the Questions chart to?

---

<div class="post-metadata">

**Author:** ![fiend](https://avatars.discourse-cdn.com/v4/letter/f/34f0e0/32.png) [@fiend](https://forums.percona.com/u/fiend)\
**Post date:** [January 25, 2021, 8:19am UTC](https://forums.percona.com/t/mysql-questions-chart-had-wrong-values-on-the-mysql-overview-dashboard/7413/3 "2021-01-25T08:19:20Z")

</div>

Thank you for your answer

I think my problem is the same as him, it is a MySQL bug，Our MySQL version is 5.7.14

[https://bugs.mysql.com/bug.php?id=90351](https://bugs.mysql.com/bug.php?id=90351)