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[taler-grid5k] 53/73: add more description about huge pages
From: |
gnunet |
Subject: |
[taler-grid5k] 53/73: add more description about huge pages |
Date: |
Tue, 14 Dec 2021 15:10:35 +0100 |
This is an automated email from the git hooks/post-receive script.
marco-boss pushed a commit to branch master
in repository grid5k.
commit 7e9c2bd85bb1591e2d302e522153237e35293c87
Author: Boss Marco <bossm8@bfh.ch>
AuthorDate: Tue Dec 7 17:09:52 2021 +0100
add more description about huge pages
---
experiment/TODO | 16 ++++++++++++++++
experiment/scripts/database.sh | 2 ++
2 files changed, 18 insertions(+)
diff --git a/experiment/TODO b/experiment/TODO
index 95c06e3..be1a47a 100644
--- a/experiment/TODO
+++ b/experiment/TODO
@@ -4,3 +4,19 @@
* fix wallet stop
* try huge_pages
https://www.postgresql.org/docs/13/runtime-config-resource.html
https://www.postgresql.org/docs/13/kernel-resources.html
+
+ 2021-12-06 09:40:15.921 CET [59226] LOG: shutting down
+2021-12-06 09:40:15.928 CET [59224] LOG: database system is shut down
+2021-12-07 16:32:15.839 CET [1992] LOG: ending log output to stderr
+2021-12-07 16:32:15.839 CET [1992] HINT: Future log output will go to log
destination "syslog".
+2021-12-07 17:06:56.775 CET [3229] FATAL: could not map anonymous shared
memory: Cannot allocate memory
+2021-12-07 17:06:56.775 CET [3229] HINT: This error usually means that
PostgreSQL's request for a shared memory segment exceeded available memory,
swap space, or huge pages. To reduce the request size (currently 68722991104
bytes), reduce PostgreSQL's shared memory usage, perhaps by reducing
shared_buffers or max_connections.
+2021-12-07 17:06:56.775 CET [3229] LOG: database system is shut down
+pg_ctl: could not start server
+Examine the log output.
+2021-12-07 17:08:37.588 CET [3427] FATAL: could not map anonymous shared
memory: Cannot allocate memory
+2021-12-07 17:08:37.588 CET [3427] HINT: This error usually means that
PostgreSQL's request for a shared memory segment exceeded available memory,
swap space, or huge pages. To reduce the request size (currently 68722991104
bytes), reduce PostgreSQL's shared memory usage, perhaps by reducing
shared_buffers or max_connections.
+2021-12-07 17:08:37.588 CET [3427] LOG: database system is shut down
+pg_ctl: could not start server
+Examine the log output.
+
diff --git a/experiment/scripts/database.sh b/experiment/scripts/database.sh
index 180a406..2569991 100755
--- a/experiment/scripts/database.sh
+++ b/experiment/scripts/database.sh
@@ -32,6 +32,8 @@ function setup_config() {
# (https://www.postgresql.org/docs/13/runtime-config-resource.html)
shared_buffers=$(($(awk '/MemTotal/ {print $2}' /proc/meminfo) / 3 ))kB
effective_cache_size=$(($(awk '/MemTotal/ {print $2}' /proc/meminfo) *
3/4))kB
+
+ # huge_pages=on
#
(https://www.postgresql.org/docs/current/runtime-config-wal.html#GUC-MAX-WAL-SIZE)
min_wal_size=4GB
--
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- [taler-grid5k] 49/73: monitor dns too, change db settings, (continued)
- [taler-grid5k] 49/73: monitor dns too, change db settings, gnunet, 2021/12/14
- [taler-grid5k] 59/73: fix taler-perf.sh, improve other scripts, gnunet, 2021/12/14
- [taler-grid5k] 56/73: fix startup, gnunet, 2021/12/14
- [taler-grid5k] 45/73: take postgres config to seperate file, gnunet, 2021/12/14
- [taler-grid5k] 38/73: speedup image build, gnunet, 2021/12/14
- [taler-grid5k] 40/73: document variables, gnunet, 2021/12/14
- [taler-grid5k] 70/73: update plotter README and dashboards, gnunet, 2021/12/14
- [taler-grid5k] 65/73: filter wallet getRecord messages - they spam the logs, gnunet, 2021/12/14
- [taler-grid5k] 51/73: add auto explain - not tested yet, gnunet, 2021/12/14
- [taler-grid5k] 67/73: update dashboards, gnunet, 2021/12/14
- [taler-grid5k] 53/73: add more description about huge pages,
gnunet <=
- [taler-grid5k] 71/73: remove unused rpecs and handled notes, gnunet, 2021/12/14
- [taler-grid5k] 69/73: update plotter script, gnunet, 2021/12/14
- [taler-grid5k] 72/73: add possibility to define grid5k repo branch for experiments, gnunet, 2021/12/14
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- [taler-grid5k] 64/73: comment scripts and add help, gnunet, 2021/12/14
- [taler-grid5k] 73/73: scripts documented and commented, gnunet, 2021/12/14
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