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This PR introduces an optimization to `set_response` to reduce the
overhead for responses with a payload size less than 64 bytes.
Performance gains are more noticeable when `is_request_compressible`
enters the slow path, ie: `-H 'Accept-Encoding: unknown'`
### Benchmarks
```js
Deno.serve({ port: 3000 }, () => new Response("hello"));
```
```
wrk -d 10s --latency -H 'Accept-Encoding: slow' http://127.0.0.1:3000
```
---
**main**
```
Running 10s test @ http://127.0.0.1:3000
2 threads and 10 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 44.72us 28.12us 3.10ms 97.95%
Req/Sec 112.73k 8.25k 123.66k 91.09%
2264092 requests in 10.10s, 308.77MB read
Requests/sec: 224187.08
Transfer/sec: 30.57MB
```
**this PR**
```
Running 10s test @ http://127.0.0.1:3000
2 threads and 10 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 42.91us 20.57us 2.04ms 97.36%
Req/Sec 116.61k 7.95k 204.81k 88.56%
2330970 requests in 10.10s, 317.89MB read
Requests/sec: 230806.32
Transfer/sec: 31.48MB
```
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This commit improves async op sanitizer speed by only delaying metrics
collection if there are pending ops. This
results in a speedup of around 30% for small CPU bound unit tests.
It performs this check and possible delay on every collection now,
fixing an issue with parent test leaks into steps.
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This commit adds "deno jupyter" subcommand which
provides a Deno kernel for Jupyter notebooks.
The implementation is mostly based on Deno's REPL and
reuses large parts of it (though there's some clean up that
needs to happen in follow up PRs). Not all functionality of
Jupyter kernel is implemented and some message type
are still not implemented (eg. "inspect_request") but
the kernel is fully working and provides all the capatibilities
that the Deno REPL has; including TypeScript transpilation
and npm packages support.
Closes https://github.com/denoland/deno/issues/13016
---------
Co-authored-by: Adam Powers <apowers@ato.ms>
Co-authored-by: Kyle Kelley <rgbkrk@gmail.com>
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This commit improves compatibility of "node:http2" module by polyfilling
"connect" method and "ClientHttp2Session" class. Basic operations like
streaming, header and trailer handling are working correctly.
Refing/unrefing is still a TODO and "npm:grpc-js/grpc" is not yet working
correctly.
---------
Co-authored-by: Matt Mastracci <matthew@mastracci.com>
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Use `assertRejects` to actually catch errors.
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Fixes #20502 -- ensure that Hyper errors make it through to JS.
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This is a mitigation for segfaults happening in V8 on CPU with MPK
(memory protected keys).
After much trail and error we found that unless V8 platform is
initialized on main thread the segfaults start appears once JIT
kicks in. "deno test" and "deno bench" were affected by
this problem.
Fixes https://github.com/denoland/deno/issues/19926
Fixes https://github.com/denoland/deno/issues/20243
Fixes https://github.com/denoland/deno/issues/20450
---------
Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>
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Fixes the last dependabot security warning
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This adds support for `using` and `await using` declarations in
TypeScript only. We need to wait for v8 to support it for this to work
in JS.
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functionality (#20504)
https://github.com/denoland/deno/pull/20488 enables us to remove this
functionality. This is better because our test suite is now not testing
a separate code path.
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This adds the ability to pattern match unordered lines. For example, the
downloading messages may appear in any order
```
[UNORDERED_START]
Download https://localhost:4546/a.ts
Download https://localhost:4546/b.ts
[UNORDERED_END]
Hello!
```
Additionally, I've made the pattern matching slightly more strict and the output better.
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This adds traces for the "started outside test, closed inside test"
case.
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Fixes https://github.com/denoland/deno/issues/20414
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filter (#20483)
Running `tools/wpt.ts` with a filter would cause an error if there were
extra, leftover expectations in expectations.json. These errors would
not appear if no filter was passed, often leaving the filtered version
of the test runner broken.
This also introduces a smarter bit of logic where filters can be
specified with a leading slash (`tools/wpt.ts run -- /url` is equivalent
to `tools/wpt.ts run -- url`)
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Bump deno_core, pulling in new rusty_v8. Requires some op2/deprecation
fixes.
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TaskQueue is being removed from `deno_core` and replaced with an unsync
version in deno_unsyc.
https://github.com/denoland/deno_core/pull/193
This is a change in preparation for that. The remaining
`deno_core::TaskQueue` usage in this repo should be replaced with
`deno_core::unsync::TaskQueue` once upgraded.
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* Installs `cmake` and `protoc` build dependencies in the docker
container.
* Replaced deprecated TOML extension with its suggested alternative.
Note: At least 16GB is required to build Deno, so ensure you use 'New
with options' and select at least the 4-core/16GB machine type when
starting in GitHub Codespaces.
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### What
Skip writing files from the template if the files already exist in the
project directory.
### Why
When I run deno init in a directory that already has a main.ts, or one
of the other template files, I usually want to initialize a workspace
around a file I've started working in. A hard error in this case seems
counter productive. An informational message about what's being skipped
seems sufficient.
Close #20433
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Removes usage of `serde_json::Value` in several ops used in TSC, in
favor of using strongly typed structs. This will unblock more
changes in https://github.com/denoland/deno/pull/20462.
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This PR implements a graceful shutdown API for Deno.serve, allowing all
current connections to drain from the server before shutting down, while
preventing new connections from being started or new transactions on
existing connections from being created.
We split the cancellation handle into two parts: a listener handle, and
a connection handle. A graceful shutdown cancels the listener only,
while allowing the connections to drain. The connection handle aborts
all futures. If the listener handle is cancelled, we put the connections
into graceful shutdown mode, which disables keep-alive on http/1.1 and
uses http/2 mechanisms for http/2 connections.
In addition, we now guarantee that all connections are complete or
cancelled, and all resources are cleaned up when the server `finished`
promise resolves -- we use a Rust-side server refcount for this.
Performance impact: does not appear to affect basic serving performance
by more than 1% (~126k -> ~125k)
---------
Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>
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Functions should generally be annotated with `#[allow]` blocks rather
than using inner `#![allow]` annotations.
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Fixes performance regression introduced by
https://github.com/denoland/deno/pull/20223 and
https://github.com/denoland/deno/pull/20314. It's enough to have one
"shared" buffer per socket
and no locking mechanism is required.
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Without `using` declarations or decorator metadata (waiting for that in
v8).
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LSP testing APIs now obey the various file inclusion settings:
- Modules shown in the text explorer now respect the `exclude`,
`test.exclude` and `test.include` fields in `deno.json`, as well as
`deno.enablePaths` in VSCode settings.
- Modules with testing code lens now respect the `"exclude"`,
`test.exclude` and `test.include` fields in `deno.json`. Code lens
already respects `deno.enablePaths`.
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This allows us to opt in to extremely detailed tracing from dependency
libraries, like so:
```
cargo run --features tracing/log,tracing/max_level_trace -- test --log-level=trace -A --unstable ./cli/tests/unit/serve_test.ts
```
It will not impact normal operation as it requires the
`tracing/max_level_trace` and `tracing/log` to be active.
Note that tracing is already a dependency -- this just makes it a direct
dep of cli so we can access its features more easily.
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Details: https://github.com/denoland/deno_lockfile/pull/8
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Closes #20413
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Two bug fixes:
* https://github.com/dprint/dprint-plugin-markdown/pull/85
* https://github.com/dprint/dprint-plugin-markdown/pull/84
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This reverts commit 4a11603c76b13ecf92ce3141ec317a42ae9f8d1d.
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Co-authored-by: Luca Casonato <hello@lcas.dev>
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Fixes https://github.com/denoland/deno/issues/19816
In that issue, I suggest switching over the other brotli functionality
to the Rust API provided by the `brotli` crate. Here, I only do that
with the `brotli_decompress` function to fix the bug with buffers longer
than 4096 bytes.
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