MemcachedMemcached
Distributed caching system used to speed up dynamic database-driven websites.
Extension
- Product information
- Release notes
Overview
Dynatrace Memcached server monitoring provides insights into your distributed memory-object caching system so that you can pinpoint server performance issues and identify potential bottlenecks.
Compatibility information
- Dynatrace OneAgent version 1.265+
- Memcached Server 1.4.24+
- Dynatrace supports TCP UDP and socket connections to Memcached servers. Admin permissions are required for socket connection types 666 or higher.
Extension content
Content typeNumber of items included
metric query
1
metric metadata
20
document dashboard
1
dashboards
1
screen chart groups
4
screen injections
4
Feature sets
Below is a complete list of the feature sets provided in this version. To ensure a good fit for your needs, individual feature sets can be activated and deactivated by your administrator during configuration.
Feature setsNumber of metrics included
| Metric name | Metric key | Description | Unit |
|---|---|---|---|
| Threads | memcached.threads | - | Count |
| Metric name | Metric key | Description | Unit |
|---|---|---|---|
| Get commands | memcached.cmd_get.count | - | Count |
| Set commands | memcached.cmd_set.count | - | Count |
| Get hits | memcached.get_hits.count | - | Count |
| Get misses | memcached.get_misses.count | - | Count |
| Metric name | Metric key | Description | Unit |
|---|---|---|---|
| Memory max bytes | memcached.limit_maxbytes | - | Byte |
| Memory bytes | memcached.bytes | - | Byte |
| Memory evictions | memcached.evictions.count | - | Count |
| Malloc fails | memcached.malloc_fails.count | - | Count |
| Memory reclaims | memcached.reclaimed.count | - | Count |
| Metric name | Metric key | Description | Unit |
|---|---|---|---|
| Read throughput | memcached.bytes_read.count | - | Byte |
| Write throughput | memcached.bytes_written.count | - | Byte |
| Metric name | Metric key | Description | Unit |
|---|---|---|---|
| Log worker dropped | memcached.log_worker_dropped.count | - | Count |
| Log worker written | memcached.log_worker_written.count | - | Count |
| Log watcher skipped | memcached.log_watcher_skipped.count | - | Count |
| Log watcher sent | memcached.log_watcher_sent.count | - | Count |
| Metric name | Metric key | Description | Unit |
|---|---|---|---|
| Connections | memcached.curr_connections | - | Count |
| Rejected connections | memcached.rejected_connections.count | - | Count |
| Metric name | Metric key | Description | Unit |
|---|---|---|---|
| Uptime | memcached.uptime | - | Second |
Full version history
To have more information on how to install the downloaded package, please follow the instructions on this page.
ReleaseDate
Full version history
New in this version:
- Added keyword key value pairs to extension
Full version history
- Add support for the
dt.security_contextattribute - Add new platform dashboard
- Add platform screens
Full version history
- Fixed a bug where the extension would stop execution early based on missing metadata
Full version history
- Fixed a bug where installations of Dynatrace with custom paths would break the extension
Full version history
Converted from EF1 to EF2:
- Added new metrics:
- memcached.rejected_connections.count
- memcached.malloc_fails.count
- memcached.evictions.count
- memcached.reclaimed.count
- memcached.threads
- memcached.uptime
- memcached.log_worker_dropped.count
- memcached.log_worker_written.count
- memcached.log_watcher_skipped.count
- memcached.log_watcher_sent.count
- Added feature sets
- Added overview dashboard
- Added injection charts into the process group instance's unified analysis screen
- The following metrics no longer report their values in per second rates, but rather in per minute:
- memcached.cmd_get.count
- memcached.cmd_set.count
- memcached.get_hits.count
- memcached.get_misses.count
- memcached.bytes_read.count
- memcached.bytes_written.count
