06/06: hydra: overdrive: Use ZRAM.

[Maxim Cournoyer]

apteryx pushed a commit to branch master
in repository maintenance.

commit 99711415ca4869f69c06c6ad84499193f0ed8208
Author: Maxim Cournoyer <maxim.cournoyer@gmail.com>
AuthorDate: Sun Sep 25 22:27:50 2022 -0400

    hydra: overdrive: Use ZRAM.
    
    * hydra/modules/sysadmin/overdrive.scm (overdrive-system)
    [services]: Add zram-device-service-type.
---
 hydra/modules/sysadmin/overdrive.scm | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/hydra/modules/sysadmin/overdrive.scm 
b/hydra/modules/sysadmin/overdrive.scm
index a74fea7..0e5c4de 100644
--- a/hydra/modules/sysadmin/overdrive.scm
+++ b/hydra/modules/sysadmin/overdrive.scm
@@ -26,6 +26,7 @@
   #:use-module (gnu packages certs)
   #:use-module (gnu services avahi)
   #:use-module (gnu services cuirass)
+  #:use-module (gnu services linux)
   #:use-module (gnu services networking)
   #:use-module (gnu services mcron)
   #:use-module (gnu services ssh)
@@ -149,6 +150,10 @@
                 (addresses (list wireguard-ip))
                 (peers
                  (list berlin-wireguard-peer))))
+      (service zram-device-service-type (zram-device-configuration
+                                         (size "4G")
+                                         (compression-algorithm 'ZSTD)
+                                         (priority 100)))
 
       (service ntp-service-type)