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lower memory requirements to 512MB, display a warning if system memory is below 768MB. (#952)

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Michael Kroes 2016-10-15 21:41:25 +02:00 committed by Joshua Tauberer
parent bbe27df413
commit fd6226187a
2 changed files with 14 additions and 4 deletions
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4
CHANGELOG.md
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@ -10,6 +10,10 @@ Control panel:
* Status checks failed if the system doesn't support iptables * Status checks failed if the system doesn't support iptables
* Add support for SSHFP records when sshd listens on non-standard ports * Add support for SSHFP records when sshd listens on non-standard ports
System:
* Lower memory requirements to 512MB, display a warning if system memory is below 768MB.
v0.20 (September 23, 2016) v0.20 (September 23, 2016)
-------------------------- --------------------------

14
setup/preflight.sh
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@ -19,20 +19,26 @@ fi
# Check that we have enough memory. # Check that we have enough memory.
# #
# /proc/meminfo reports free memory in kibibytes. Our baseline will be 768 MB, # /proc/meminfo reports free memory in kibibytes. Our baseline will be 512 MB,
# which is 750000 kibibytes. # which is 500000 kibibytes.
#
# We will display a warning if the memory is below 768 MB which is 750000 kibibytes
# #
# Skip the check if we appear to be running inside of Vagrant, because that's really just for testing. # Skip the check if we appear to be running inside of Vagrant, because that's really just for testing.
TOTAL_PHYSICAL_MEM=$(head -n 1 /proc/meminfo | awk '{print $2}') TOTAL_PHYSICAL_MEM=$(head -n 1 /proc/meminfo | awk '{print $2}')
if [ $TOTAL_PHYSICAL_MEM -lt 750000 ]; then if [ $TOTAL_PHYSICAL_MEM -lt 500000 ]; then
if [ ! -d /vagrant ]; then if [ ! -d /vagrant ]; then
TOTAL_PHYSICAL_MEM=$(expr \( \( $TOTAL_PHYSICAL_MEM \* 1024 \) / 1000 \) / 1000) TOTAL_PHYSICAL_MEM=$(expr \( \( $TOTAL_PHYSICAL_MEM \* 1024 \) / 1000 \) / 1000)
echo "Your Mail-in-a-Box needs more memory (RAM) to function properly." echo "Your Mail-in-a-Box needs more memory (RAM) to function properly."
echo "Please provision a machine with at least 768 MB, 1 GB recommended." echo "Please provision a machine with at least 512 MB, 1 GB recommended."
echo "This machine has $TOTAL_PHYSICAL_MEM MB memory." echo "This machine has $TOTAL_PHYSICAL_MEM MB memory."
exit exit
fi fi
fi fi
if [ $TOTAL_PHYSICAL_MEM -lt 750000 ]; then
echo "WARNING: Your Mail-in-a-Box has less than 768 MB of memory."
echo " It might run unreliably when under heavy load."
fi
# Check that tempfs is mounted with exec # Check that tempfs is mounted with exec
MOUNTED_TMP_AS_NO_EXEC=$(grep "/tmp.*noexec" /proc/mounts) MOUNTED_TMP_AS_NO_EXEC=$(grep "/tmp.*noexec" /proc/mounts)