[taler-grid5k] 50/73: note about postgres huge pages

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marco-boss pushed a commit to branch master
in repository grid5k.

commit 83312a56901f9f641fa782be9d698637d48d6988
Author: Boss Marco <bossm8@bfh.ch>
AuthorDate: Tue Dec 7 08:10:26 2021 +0100

    note about postgres huge pages
---
 experiment/TODO               | 2 +-
 experiment/scripts/helpers.sh | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/experiment/TODO b/experiment/TODO
index 049b337..6a03a84 100644
--- a/experiment/TODO
+++ b/experiment/TODO
@@ -1,5 +1,5 @@
 - logbackup needs to be per host
 - I/O util 100%
 - lsblk -d -o name,rota - dahu ssd
-- htop - postgres processes using more and more memory
 * fix wallet stop
+* try huge_pages 
https://www.postgresql.org/docs/13/runtime-config-resource.html
diff --git a/experiment/scripts/helpers.sh b/experiment/scripts/helpers.sh
index cecb155..e497444 100755
--- a/experiment/scripts/helpers.sh
+++ b/experiment/scripts/helpers.sh
@@ -12,7 +12,7 @@ function set_ddn() {
   # Even when looping with while ! hostname -I the next one
   # can fail.
   # Try to fix it with eval
-  while ! eval $(echo IP=$(hostname -I)) ; do
+  while ! eval $(echo IP=$(hostname -i)) ; do
     sleep 5;
     systemctl restart dnsmasq
   done

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