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tarball cache pathologically slow if ~/.cache is on NFS

bug

performance

Status: Open.

#11998 In NixOS/nix;

· srd424 opened on Dec 1, 2024

<code>builtins.filterAttrs</code>

error-messagesConfusing messages and better diagnosticsConfusing messages and better diagnostics

featureFeature request or proposalFeature request or proposal

languageThe Nix expression language; parser, interpreter, primops, evaluation, etcThe Nix expression language; parser, interpreter, primops, evaluation, etc

performance

Status: Open.

#11888 In NixOS/nix;

· roberth opened on Nov 15, 2024

<code>builtins.mergeMapAttrs</code> (or <code>builtins.concatMapAttrs</code>)

featureFeature request or proposalFeature request or proposal

idea approvedThe given proposal has been discussed and approved by the Nix team. An implementation is welcome.The given proposal has been discussed and approved by the Nix team. An implementation is welcome.

languageThe Nix expression language; parser, interpreter, primops, evaluation, etcThe Nix expression language; parser, interpreter, primops, evaluation, etc

performance

Status: Open.

#11887 In NixOS/nix;

· roberth opened on Nov 15, 2024

Slow <code>exportReferencesGraph</code>

derivation-buildThe process of building an individual derivation (see also sandbox label)The process of building an individual derivation (see also sandbox label)

performance

storeIssues and pull requests concerning the Nix storeIssues and pull requests concerning the Nix store

Status: Open.

#11791 In NixOS/nix;

· roberth opened on Nov 2, 2024

Add option <code>disallow-copy-paths</code> to track down unnecessary copying

error-messagesConfusing messages and better diagnosticsConfusing messages and better diagnostics

languageThe Nix expression language; parser, interpreter, primops, evaluation, etcThe Nix expression language; parser, interpreter, primops, evaluation, etc

performance

with-testsIssues related to testing. PRs with tests have some priorityIssues related to testing. PRs with tests have some priority

Status: Draft (not ready).

NixOS/nixnumber 11746

#11746 In NixOS/nix;

· roberth opened on Oct 24, 2024

Prototype: accumulate attrset updates, perform k-way merge

languageThe Nix expression language; parser, interpreter, primops, evaluation, etcThe Nix expression language; parser, interpreter, primops, evaluation, etc

performance

Status: Draft (not ready).

NixOS/nixnumber 11290

#11290 In NixOS/nix;

· roberth opened on Aug 13, 2024

Fetching paths from cache.nixos.org gets slow in certain Docker environments

bug

fetchingNetworking with the outside (non-Nix) world, input lockingNetworking with the outside (non-Nix) world, input locking

performance

Status: Open.

#11258 In NixOS/nix;

· nebez opened on Aug 5, 2024

Lazy, async instantiation and fetching (tracking)

featureFeature request or proposalFeature request or proposal

fetchingNetworking with the outside (non-Nix) world, input lockingNetworking with the outside (non-Nix) world, input locking

languageThe Nix expression language; parser, interpreter, primops, evaluation, etcThe Nix expression language; parser, interpreter, primops, evaluation, etc

performance

storeIssues and pull requests concerning the Nix storeIssues and pull requests concerning the Nix store

Status: Open.

#11161 In NixOS/nix;

· roberth opened on Jul 23, 2024

<code>nix.settings.preallocate-contents</code> is not enabled by default

performance

Status: Open.

#11101 In NixOS/nix;

· DaniD3v opened on Jul 14, 2024

Flake copying performance regressed on macOS in 2.19

bug

fetchingNetworking with the outside (non-Nix) world, input lockingNetworking with the outside (non-Nix) world, input locking

performance

significantNovel ideas, large API changes, notable refactorings, issues with RFC potential, etc.Novel ideas, large API changes, notable refactorings, issues with RFC potential, etc.

Status: Open.

#11098 In NixOS/nix;

· cigrainger opened on Jul 14, 2024

Upload lock held for longer than necessary

performance

remote buildThe SSH store, ssh:, ssh-ng:, ... (split from protocol label 2024-07)The SSH store, ssh:, ssh-ng:, ... (split from protocol label 2024-07)

storeIssues and pull requests concerning the Nix storeIssues and pull requests concerning the Nix store

Status: Open.

#11083 In NixOS/nix;

· jkarni opened on Jul 11, 2024

<code>SourceAccessor::readFile</code> should be streaming in constant memory

fetchingNetworking with the outside (non-Nix) world, input lockingNetworking with the outside (non-Nix) world, input locking

performance

Status: Open.

#11001 In NixOS/nix;

· roberth opened on Jul 1, 2024