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