Fast trigram based code search

49•cv_h•2mo ago

Comments

hanwenn•2mo ago

more background: https://sourcegraph.com/blog/zoekt-creating-internal-tools-a...

darkamaul•2mo ago

GitHub Code Search has too many quirks compared to the zoekt powered alternatives (cs.android.com, cs.bazel.build) which feel far more intuitive.

I wish Microsoft would invest more in improving it - especially since Sourcegraph can't search private repositories, leaving GitHub's tool as the only real option for many codebases.

Scaevolus•2mo ago

None of Google's public source search engines (android, chromium, bazel) use Zoekt. They use Google's web indexing technology adapted for trigrams, which was mostly developed to support their massive internal monorepo, but exposed for a few of their major open source projects too.

You can index private repos with Sourcegraph, but it's a paid feature ($19/mo/user+).

sluongng•2mo ago

> They use Google's web indexing technology adapted for trigrams, which was mostly developed to support their massive internal monorepo

Do you have a source for this? I would love to read more about it.

In the doc of the Zoekt repo, it says

> What does cs.bazel.build run on?

> Currently, it runs on a single Google Cloud VM with 16 vCPUs, 60G RAM and an attached physical SSD.

https://github.com/sourcegraph/zoekt/blob/main/doc/faq.md#wh...

so at least they were using Zoekt up until a certain point in the past.

Scaevolus•2mo ago

Oops, I guess that one is small enough to use Zoekt. Note how different the interface is than Android and Chromium's code search.

arccy•2mo ago

There's also https://github.com/google/codesearch for local only search

nbenitezl•2mo ago

I use https://codesearch.debian.net/ a lot, and it's based on that according to https://codesearch.debian.net/about

rurban•2mo ago

But it has a web frontend also. So not only local.

fmajid•2mo ago

Keep in mind Source graph has done an open-source bait-and-switch before:

https://news.ycombinator.com/item?id=36584656

N_Lens•2mo ago

Excellent tool for larger codebases!

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