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---
id: memcached
title: Monitoring Memcached
sidebar_label: Memcached Monitor
keywords: [ open source monitoring tool, open source Memcached monitoring tool, monitoring memcached metrics ]
---
> Collect and monitor the general performance Metrics of Memcached.
**Protocol Use：Memcached**
```text
The default YML configuration for the memcache version is in compliance with 1.4.15.
You need to use the stats command to view the parameters that your memcache can monitor
```
**1、Obtain usable parameter indicators through commands such as stats、stats setting、stats settings.
```shell
# telnet ip port
[root@server ~]# telnet localhost 11211
Trying ::1...
Connected to localhost.
Escape character is '^]'.
stats
STAT pid 15168
STAT uptime 11691
STAT time 1702569246
STAT version 1.4.15
...
```
**There is help_doc: [https://www.runoob.com/memcached/memcached-stats.html](https://www.runoob.com/memcached/memcached-stats.html)**
## Configuration parameter
| Parameter name | Parameter help description |
|---------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Monitoring Host | Monitored IPV4, IPV6 or domain name. Note⚠️Without protocol header (eg: https://, http://) |
| Monitoring name | Identify the name of this monitoring. The name needs to be unique |
| Port | Port provided by Memcached |
| Collection interval | Interval time of monitor periodic data collection, unit: second, and the minimum interval that can be set is 30 seconds |
| Whether to detect | Whether to detect and check the availability of monitoring before adding monitoring. Adding and modifying operations will continue only after the detection is successful |
| Description remarks | For more information about identifying and describing this monitoring, users can note information here |
### Collection Metrics
#### Metrics Set：server_info
| Metric name | Metric unit | Metric help description |
|------------------|-------------|---------------------------------------------------|
| pid | | Memcache server process ID |
| uptime | s | The number of seconds the server has been running |
| version | | Memcache version |
| curr_connections | | Current number of connections |
| auth_errors | | Number of authentication failures |
| threads | | Current number of threads |
| item_size | byte | The size of the item |
| item_count | | Number of items |
| curr_items | | The total number of data currently stored |
| total_items | | The total number of data stored since startup |
| bytes | byte | The current number of bytes occupied by storage |
| cmd_get | | Get command request count |
| cmd_set | | Set command request count |
| cmd_flush | | Flush command request count |
| get_misses | | Get command misses |
| delete_misses | | Delete command misses |