diff options
Diffstat (limited to 'nixos/doc/manual/from_md/release-notes/rl-2205.section.xml')
-rw-r--r-- | nixos/doc/manual/from_md/release-notes/rl-2205.section.xml | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/nixos/doc/manual/from_md/release-notes/rl-2205.section.xml b/nixos/doc/manual/from_md/release-notes/rl-2205.section.xml index 66f2ac7ae26..41b99c59054 100644 --- a/nixos/doc/manual/from_md/release-notes/rl-2205.section.xml +++ b/nixos/doc/manual/from_md/release-notes/rl-2205.section.xml @@ -571,6 +571,25 @@ </listitem> <listitem> <para> + Services in the <literal>hadoop</literal> module previously + set <literal>openFirewall</literal> to true by default. This + has now been changed to false. Node definitions for multi-node + clusters would need <literal>openFirewall = true;</literal> to + be added to to hadoop services when upgrading from NixOS + 21.11. + </para> + </listitem> + <listitem> + <para> + <literal>services.hadoop.yarn.nodemanager</literal> now uses + cgroup-based CPU limit enforcement by default. Additionally, + the option <literal>useCGroups</literal> was added to + nodemanagers as an easy way to switch back to the old + behavior. + </para> + </listitem> + <listitem> + <para> The <literal>wafHook</literal> hook now honors <literal>NIX_BUILD_CORES</literal> when <literal>enableParallelBuilding</literal> is not set @@ -1175,6 +1194,33 @@ </listitem> <listitem> <para> + Some improvements have been made to the + <literal>hadoop</literal> module: + </para> + <itemizedlist spacing="compact"> + <listitem> + <para> + A <literal>gatewayRole</literal> option has been added, + for deploying hadoop cluster configuration files to a node + that does not have any active services + </para> + </listitem> + <listitem> + <para> + Support for older versions of hadoop have been added to + the module + </para> + </listitem> + <listitem> + <para> + Overriding and extending site XML files has been made + easier + </para> + </listitem> + </itemizedlist> + </listitem> + <listitem> + <para> 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 <literal>NIXOS_OZONE_WL=1</literal> |