8c736bb135
* Move health/ under src/
* Update references to health paths.
```
find . -type f -exec sed -i 's:master/exporting:master/src/exporting:g' {} \;
```
* Update .git{,hub} refs to health.
3.2 KiB
Inter Process Communication
Plugin: proc.plugin Module: ipc
Overview
IPC stands for Inter-Process Communication. It is a mechanism which allows processes to communicate with each other and synchronize their actions.
This collector exposes information about:
-
Message Queues: This allows messages to be exchanged between processes. It's a more flexible method that allows messages to be placed onto a queue and read at a later time.
-
Shared Memory: This method allows for the fastest form of IPC because processes can exchange data by reading/writing into shared memory segments.
-
Semaphores: They are used to synchronize the operations performed by independent processes. So, if multiple processes are trying to access a single shared resource, semaphores can ensure that only one process accesses the resource at a given time.
This collector is supported on all platforms.
This collector only supports collecting metrics from a single instance of this integration.
Default Behavior
Auto-Detection
This integration doesn't support auto-detection.
Limits
The default configuration for this integration does not impose any limits on data collection.
Performance Impact
The default configuration for this integration is not expected to impose a significant performance impact on the system.
Metrics
Metrics grouped by scope.
The scope defines the instance that the metric belongs to. An instance is uniquely identified by a set of labels.
Per Inter Process Communication instance
This scope has no labels.
Metrics:
| Metric | Dimensions | Unit |
|---|---|---|
| system.ipc_semaphores | semaphores | semaphores |
| system.ipc_semaphore_arrays | arrays | arrays |
| system.message_queue_message | a dimension per queue | messages |
| system.message_queue_bytes | a dimension per queue | bytes |
| system.shared_memory_segments | segments | segments |
| system.shared_memory_bytes | bytes | bytes |
Alerts
The following alerts are available:
| Alert name | On metric | Description |
|---|---|---|
| semaphores_used | system.ipc_semaphores | IPC semaphore utilization |
| semaphore_arrays_used | system.ipc_semaphore_arrays | IPC semaphore arrays utilization |
Setup
Prerequisites
No action required.
Configuration
File
There is no configuration file.
Options
There are no configuration options.
Examples
There are no configuration examples.