diff options
| author | illustris <rharikrishnan95@gmail.com> | 2022-03-09 00:34:07 +0530 |
|---|---|---|
| committer | illustris <rharikrishnan95@gmail.com> | 2022-03-11 14:27:01 +0530 |
| commit | a7827ecfae20a31d47aad8d1798460886936b002 (patch) | |
| tree | 24a77d20d43fd523e9083b0bd42bc0413e399b3a /nixos/doc/manual/release-notes/rl-2205.section.md | |
| parent | e1017adb328da98e7942ec08354dd686653370a4 (diff) | |
| download | nixpkgs-a7827ecfae20a31d47aad8d1798460886936b002.tar nixpkgs-a7827ecfae20a31d47aad8d1798460886936b002.tar.gz nixpkgs-a7827ecfae20a31d47aad8d1798460886936b002.tar.bz2 nixpkgs-a7827ecfae20a31d47aad8d1798460886936b002.tar.lz nixpkgs-a7827ecfae20a31d47aad8d1798460886936b002.tar.xz nixpkgs-a7827ecfae20a31d47aad8d1798460886936b002.tar.zst nixpkgs-a7827ecfae20a31d47aad8d1798460886936b002.zip | |
nixos/hadoop: add release notes
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 b9402ba5f9d..6d91ee1dffc 100644 --- a/nixos/doc/manual/release-notes/rl-2205.section.md +++ b/nixos/doc/manual/release-notes/rl-2205.section.md @@ -223,6 +223,14 @@ 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. @@ -391,6 +399,11 @@ 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 |