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denoland-deno/runtime
Bartek Iwańczuk c9baf3849f
perf: use available system memory for v8 isolate memory limit (#26868)
Instead of using the default 1.4Gb limit (which was meant for browser
tabs) configure V8 to
set the heap limit to the amount of memory available in the system.

Closes https://github.com/denoland/deno/issues/23424
Closes https://github.com/denoland/deno/issues/26435
Closes https://github.com/denoland/deno/issues/21226
2024-11-15 10:33:03 +01:00
..
examples/extension refactor: bury descriptor parsing in PermissionsContainer (#25936) 2024-09-30 09:19:24 -04:00
js feat(cli): add --unstable-node-globals flag (#26617) 2024-11-14 13:11:29 +00:00
ops perf: use available system memory for v8 isolate memory limit (#26868) 2024-11-15 10:33:03 +01:00
permissions chore: make fields public on PermissionDeniedError and deno_kv::KvConfig (#26798) 2024-11-12 17:49:49 +00:00
Cargo.toml feat: OpenTelemetry Tracing API and Exporting (#26710) 2024-11-13 10:38:46 +00:00
clippy.toml fix: otel resiliency (#26857) 2024-11-14 12:16:28 +00:00
code_cache.rs fix: use hash of in-memory bytes only for code cache (#23966) 2024-05-24 10:15:46 -04:00
errors.rs fix(ext/webstorage): use error class for sqlite error case (#26806) 2024-11-10 02:43:04 -08:00
fmt_errors.rs feat(cli): add --unstable-node-globals flag (#26617) 2024-11-14 13:11:29 +00:00
fs_util.rs refactor: use deno_path_util (#25918) 2024-09-28 07:55:01 -04:00
inspector_server.rs fix: clamp smi in fast calls by default (#26506) 2024-10-31 10:10:07 +05:30
js.rs refactor: remove snapshotting from deno_runtime (#21794) 2024-01-10 16:30:50 +01:00
lib.rs perf: use available system memory for v8 isolate memory limit (#26868) 2024-11-15 10:33:03 +01:00
permissions.rs refactor(runtime/permissions): use concrete error types (#26464) 2024-11-04 09:17:21 -08:00
README.md fix (doc): Typo in runtime/README.md (#20020) 2023-12-13 17:24:32 +00:00
shared.rs feat: OpenTelemetry Tracing API and Exporting (#26710) 2024-11-13 10:38:46 +00:00
snapshot.rs fix: otel resiliency (#26857) 2024-11-14 12:16:28 +00:00
sys_info.rs perf: use available system memory for v8 isolate memory limit (#26868) 2024-11-15 10:33:03 +01:00
tokio_util.rs fix(cli): increase size of blocking task threadpool on windows (#26465) 2024-10-22 12:52:18 -07:00
web_worker.rs perf: use available system memory for v8 isolate memory limit (#26868) 2024-11-15 10:33:03 +01:00
worker.rs fix: otel resiliency (#26857) 2024-11-14 12:16:28 +00:00
worker_bootstrap.rs fix: otel resiliency (#26857) 2024-11-14 12:16:28 +00:00

deno_runtime crate

crates docs

This is a slim version of the Deno CLI which removes typescript integration and various tooling (like lint and doc). Basically only JavaScript execution with Deno's operating system bindings (ops).

Stability

This crate is built using battle-tested modules that were originally in the deno crate, however the API of this crate is subject to rapid and breaking changes.

MainWorker

The main API of this crate is MainWorker. MainWorker is a structure encapsulating deno_core::JsRuntime with a set of ops used to implement Deno namespace.

When creating a MainWorker implementors must call MainWorker::bootstrap to prepare JS runtime for use.

MainWorker is highly configurable and allows to customize many of the runtime's properties:

  • module loading implementation
  • error formatting
  • support for source maps
  • support for V8 inspector and Chrome Devtools debugger
  • HTTP client user agent, CA certificate
  • random number generator seed

Worker Web API

deno_runtime comes with support for Worker Web API. The Worker API is implemented using WebWorker structure.

When creating a new instance of MainWorker implementors must provide a callback function that is used when creating a new instance of Worker.

All WebWorker instances are descendents of MainWorker which is responsible for setting up communication with child worker. Each WebWorker spawns a new OS thread that is dedicated solely to that worker.