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| author | Artturi <Artturin@artturin.com> | 2022-03-16 14:05:56 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-03-16 14:05:56 +0200 |
| commit | b734f40478ecf7d9557bea10473f2023b41956f8 (patch) | |
| tree | 47faf7c8716d9cf7f9445e4006a0b2fee999dd0e /nixos/doc/manual/release-notes/rl-2205.section.md | |
| parent | e517a35b9e5f309b63e26392de87ff1ebf7dcebc (diff) | |
| parent | a7827ecfae20a31d47aad8d1798460886936b002 (diff) | |
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Merge pull request #154004 from illustris/hadoop
Diffstat (limited to 'nixos/doc/manual/release-notes/rl-2205.section.md')
| -rw-r--r-- | nixos/doc/manual/release-notes/rl-2205.section.md | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/nixos/doc/manual/release-notes/rl-2205.section.md b/nixos/doc/manual/release-notes/rl-2205.section.md index 01893993955..3c4652ae5c4 100644 --- a/nixos/doc/manual/release-notes/rl-2205.section.md +++ b/nixos/doc/manual/release-notes/rl-2205.section.md @@ -244,6 +244,14 @@ In addition to numerous new and upgraded packages, this release has the followin - The MoinMoin wiki engine (`services.moinmoin`) has been removed, because Python 2 is being retired from nixpkgs. +- Services in the `hadoop` module previously set `openFirewall` to true by default. + This has now been changed to false. Node definitions for multi-node clusters would need + `openFirewall = true;` to be added to to hadoop services when upgrading from NixOS 21.11. + +- `services.hadoop.yarn.nodemanager` now uses cgroup-based CPU limit enforcement by default. + Additionally, the option `useCGroups` was added to nodemanagers as an easy way to switch + back to the old behavior. + - The `wafHook` hook now honors `NIX_BUILD_CORES` when `enableParallelBuilding` is not set explicitly. Packages can restore the old behaviour by setting `enableParallelBuilding=false`. - `pkgs.claws-mail-gtk2`, representing Claws Mail's older release version three, was removed in order to get rid of Python 2. @@ -436,6 +444,11 @@ In addition to numerous new and upgraded packages, this release has the followin - The `writers.writePyPy2`/`writers.writePyPy3` and corresponding `writers.writePyPy2Bin`/`writers.writePyPy3Bin` convenience functions to create executable Python 2/3 scripts using the PyPy interpreter were added. +- Some improvements have been made to the `hadoop` module: + - A `gatewayRole` option has been added, for deploying hadoop cluster configuration files to a node that does not have any active services + - Support for older versions of hadoop have been added to the module + - Overriding and extending site XML files has been made easier + - If you are using Wayland you can choose to use the Ozone Wayland support in Chrome and several Electron apps by setting the environment variable `NIXOS_OZONE_WL=1` (for example via |