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Add NODE_MEM env variable to control memory usage

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Darren Wurf 2017-07-08 15:51:14 +10:00
parent c74960f581
commit e22744bed8
2 changed files with 18 additions and 4 deletions
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5
README.md
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@ -24,3 +24,8 @@ In this example, the folder `$(pwd)/.tiddlywiki` is used for the data.
Default auth is `user` / `wiki`
Simply provide the USERNAME and PASSWORD env variables to customise.
# Other settings
If you are in a memory-constrained environment, you can provide the
`NODE_MEM` environment variable to specify the memory ceiling (in MB)

17
init-and-run-wiki
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@ -1,9 +1,18 @@
#!/bin/bash
#!/bin/sh
set -e
if [ ! -d /var/lib/tiddlywiki/mywiki ]; then
tiddlywiki mywiki --init server
tiddlywiki_script=$(readlink -f $(which tiddlywiki))
if [ -n "$NODE_MEM" ]; then
# Based on rule of thumb from:
# http://fiznool.com/blog/2016/10/01/running-a-node-dot-js-app-in-a-low-memory-environment/
mem_node_old_space=$((($NODE_MEM*4)/5))
NODEJS_V8_ARGS="--max_old_space_size=$mem_node_old_space $NODEJS_V8_ARGS"
fi
exec tiddlywiki mywiki --server 8080 $:/core/save/all text/plain text/html ${USERNAME:-user} ${PASSWORD:-'wiki'} 0.0.0.0
if [ ! -d /var/lib/tiddlywiki/mywiki ]; then
/usr/bin/env node $NODEJS_V8_ARGS $tiddlywiki_script mywiki --init server
fi
exec /usr/bin/env node $NODEJS_V8_ARGS $tiddlywiki_script mywiki --server 8080 $:/core/save/all text/plain text/html ${USERNAME:-user} ${PASSWORD:-'wiki'} 0.0.0.0