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[Solr] Refuse to start with RAM lt 2 GB

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[Config/Update] Set limits and change descriptions for Solr
This commit is contained in:
andryyy 2019-01-17 20:25:38 +01:00
parent d008b67111
commit ae4e1358a2
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GPG Key ID: 8EC34FF2794E25EF
3 changed files with 29 additions and 9 deletions
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16
data/Dockerfiles/solr/docker-entrypoint.sh
View File

@ -6,6 +6,16 @@ if [[ "${SKIP_SOLR}" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
exit 0
fi
MEM_TOTAL=$(awk '/MemTotal/ {print $2}' /proc/meminfo)
if [[ "${1}" != "--bootstrap" ]]; then
if [ ${MEM_TOTAL} -lt "2097152" ]; then
echo "System memory less than 2 GB, skipping Solr..."
sleep 365d
exit 0
fi
fi
set -e
# allow easier debugging with `docker run -e VERBOSE=yes`
@ -158,7 +168,11 @@ function solr_config() {
# fixing volume permission
[[ -d /opt/solr/server/solr/dovecot/data ]] && chown -R solr:solr /opt/solr/server/solr/dovecot/data
sed -i 's/#SOLR_HEAP="512m"/SOLR_HEAP="'${SOLR_HEAP:-1024}'m"/g' /opt/solr/bin/solr.in.sh
if [[ "${1}" != "--bootstrap" ]]; then
sed -i '/SOLR_HEAP=/c\SOLR_HEAP="'${SOLR_HEAP:-1024}'m"' /opt/solr/bin/solr.in.sh
else
sed -i '/SOLR_HEAP=/c\SOLR_HEAP="256m"' /opt/solr/bin/solr.in.sh
fi
# start a Solr so we can use the Schema API, but only on localhost,
# so that clients don't see Solr until we have configured it.

21
generate_config.sh
View File

@ -50,9 +50,10 @@ done
MEM_TOTAL=$(awk '/MemTotal/ {print $2}' /proc/meminfo)
if [ ${MEM_TOTAL} -le "1572864" ]; then
echo "Installed memory is less than 1.5 GiB. It is recommended to disable ClamAV to prevent out-of-memory situations."
read -r -p "Do you want to disable ClamAV now? ClamAV can be re-enabled by setting SKIP_CLAMD=n in mailcow.conf. [Y/n] " response
if [ ${MEM_TOTAL} -le "2621440" ]; then
echo "Installed memory is <= 2.5 GiB. It is recommended to disable ClamAV to prevent out-of-memory situations."
echo "ClamAV can be re-enabled by setting SKIP_CLAMD=n in mailcow.conf."
read -r -p "Do you want to disable ClamAV now? [Y/n] " response
case $response in
[nN][oO]|[nN])
SKIP_CLAMD=n
@ -62,13 +63,17 @@ if [ ${MEM_TOTAL} -le "1572864" ]; then
;;
esac
else
SKIP_CLAMD=n
SKIP_CLAMD=n
fi
if [ ${MEM_TOTAL} -le "3670016" ]; then
echo "Installed memory is less than 3.5 GiB. It is highly recommended to disable Solr to prevent out-of-memory situations."
echo "Solr is a prone to run OOM and should be monitored. The default Solr heap size is 1024 MiB and should be set according to your expected load in mailcow.conf."
read -r -p "Do you want to disable Solr now (recommended)? Solr can be re-enabled by setting SKIP_SOLR=n in mailcow.conf. [Y/n] " response
if [ ${MEM_TOTAL} -le "2097152" ]; then
echo "Disabling Solr on low-memory system."
SKIP_SOLR=y
elif [ ${MEM_TOTAL} -le "3670016" ]; then
echo "Installed memory is <= 3.5 GiB. It is recommended to disable Solr to prevent out-of-memory situations."
echo "Solr is a prone to run OOM and should be monitored. The default Solr heap size is 1024 MiB and should be set in mailcow.conf according to your expected load."
echo "Solr can be re-enabled by setting SKIP_SOLR=n in mailcow.conf but will refuse to start with less than 2 GB total memory."
read -r -p "Do you want to disable Solr now? [Y/n] " response
case $response in
[nN][oO]|[nN])
SKIP_SOLR=n

1
update.sh
View File

@ -219,6 +219,7 @@ for option in ${CONFIG_ARRAY[@]}; do
echo "Adding new option \"${option}\" to mailcow.conf"
echo '# Solr heap size, there is no recommendation, please see Solr docs.' >> mailcow.conf
echo '# Solr is a prone to run OOM on large systems and should be monitored. Unmonitored Solr setups are not recommended.' >> mailcow.conf
echo '# Solr will refuse to start with total system memory below or equal to 2 GB.' >> mailcow.conf
echo "SOLR_HEAP=1024" >> mailcow.conf
fi
elif ! grep -q ${option} mailcow.conf; then