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Fix memory tuning issues

This commit is contained in:
Joshua Boniface 2021-07-18 18:51:21 -04:00
parent 10a1754285
commit 764c2c3928
3 changed files with 6 additions and 8 deletions
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8
group_vars/default/pvc.yml
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@ -82,10 +82,10 @@ pvc_routers:
# > This option is *only* applied at cluster bootstrap and cannot be changed later
# here, only by editing the `files/ceph/<cluster>/ceph.conf` file directly.
#pvc_osd_memory_limit: 939524096
# Zookeeper heap memory limit, sets Xms and Xmx values to the Java process; default is 256M.
# WARNING: Do not set lower than 128MB when using pvc_log_to_zookeeper, or lower than 32MB otherwise!
#pvc_zookeeper_heap_limit: 128M
# Zookeeper stack memory limit, sets Xss value to the Java process; default is 512M.
# Zookeeper heap memory limit, sets Xms and Xmx values to the Java process; default is 512M.
# WARNING: Do not set lower than 256MB when using pvc_log_to_zookeeper, or lower than 64MB otherwise!
#pvc_zookeeper_heap_limit: 256M
# Zookeeper stack memory limit, sets Xss value to the Java process; default is 1024M.
# WARNING: Do not set lower than 128MB when using pvc_log_to_zookeeper, or lower than 32MB otherwise!
#pvc_zookeeper_stack_limit: 128M

4
roles/pvc/defaults/main.yml
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@ -22,8 +22,8 @@ pvc_fence_migrate_target_selector: mem # The selector to use for migrating VMs
# Memory tuning
pvc_osd_memory_limit: 4294967296
pvc_zookeeper_heap_limit: 256M
pvc_zookeeper_stack_limit: 512M
pvc_zookeeper_heap_limit: 512M
pvc_zookeeper_stack_limit: 1024M
# Ceph storage
ceph_storage_secret_key: ""

2
roles/pvc/templates/zookeeper/environment.j2
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@ -11,8 +11,6 @@ JMXLOCALONLY=false
# Increase the maximum buffer size from 1048575 (1MB) to 67108864 (64MB); required to allow a single `create`
# transaction, in the /api/v1/restore specifically, of >1MB of data; 64MB seems a reasonable limit given my
# cluster is only ~5.2MB of raw JSON data and beyond 12x that seems like a cluster too large for PVC.
# Xms/Xmx=128M
# Reduce the Java memory size to minimize RAM consumption by Zookeeper.
JAVA_OPTS="-Djava.net.preferIPv4Stack=True -Djute.maxbuffer=67108864 -Xms{{ pvc_zookeeper_heap_limit }} -Xmx{{ pvc_zookeeper_heap_limit }} -Xss{{ pvc_zookeeper_stack_limit }}"
JAVA=/usr/bin/java
CLASSPATH="/etc/zookeeper/conf:/usr/share/java/jline.jar:/usr/share/java/log4j-1.2.jar:/usr/share/java/xercesImpl.jar:/usr/share/java/xmlParserAPIs.jar:/usr/share/java/netty.jar:/usr/share/java/slf4j-api.jar:/usr/share/java/slf4j-log4j12.jar:/usr/share/java/zookeeper.jar"