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Improve isolation, execution limits and execution metrics by using Isolate (#683)

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* Initial: use Isolate for isolation

* Continue: use Isolate for isolation

* Bug fixes

* timeout is wall-time for backward compatibility

* Documentation, signal names, reported time in ms

* Report memory usage in bytes

* Add privileged flags where needed

* Remove tmpfs

* Remove tmpfs

* Fix package installation

* Fix path, fix Zig: CRLF -> LF
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Omar Brikaa 2024-09-08 04:58:40 +03:00 • committed by GitHub
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docs/configuration.md
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@ -135,8 +135,21 @@ key:
default: 3000
```
The maximum time that is allowed to be taken by a stage in milliseconds.
Use -1 for unlimited time.
The maximum time that is allowed to be taken by a stage in milliseconds. This is the wall-time of the stage. The time that the CPU does not spend working on the stage (e.g, due to context switches or IO) is counted.
## Compile/Run CPU-Time
```yaml
key:
- PISTON_COMPILE_CPU_TIME
default: 10000
key:
- PISTON_RUN_CPU_TIME
default: 3000
```
The maximum CPU-time that is allowed to be consumed by a stage in milliseconds. The time that the CPU does not spend working on the stage (e.g, IO and context switches) is not counted. This option is typically used in algorithm contests.
## Compile/Run memory limits
@ -178,7 +191,7 @@ default: {}
```
Per-language overrides/exceptions for the each of `max_process_count`, `max_open_files`, `max_file_size`,
`compile_memory_limit`, `run_memory_limit`, `compile_timeout`, `run_timeout`, `output_max_size`. Defined as follows:
`compile_memory_limit`, `run_memory_limit`, `compile_timeout`, `run_timeout`, `compile_cpu_time`, `run_cpu_time`, `output_max_size`. Defined as follows:
```
PISTON_LIMIT_OVERRIDES={"c++":{"max_process_count":128}}