Varnish Administration Console
In the defaults file, located in /var/opt/vac, these are the properties that we support.
| Property | Default | Description |
|---|---|---|
| vacDir | /opt/vac |
This is where every static asset lives |
| vacVarDir | /var/opt/vac |
And this is where we place variable data according to FHS |
| vacDataDir | $vacVarDir/data |
This is where rrd and parsed ephemeral data will live |
| vacTmpDir | $vacVarDir/tmp |
This is where tmp folder for the vac will live. This is not used by default unless specified below in DAEMON_OPTIONS |
| vacListeningPort | 80 |
listening port |
| vacListeningHost | 0.0.0.0 |
listening host |
| mongoHost | 127.0.0.1 |
mongo endpoint, host |
| mongoPort | 27017 |
mongo endpoint, port |
| mongoDB | vcc |
db name |
| mongoURI | "" |
mongo connection |
| max_files | 131072 |
ulimit |
| max_heap_size | 2048m |
jvm max heap size |
| initial_heap_size | 512m |
jvm initial heap size |
| jdi_listening_host | 0.0.0.0 |
The listening host for the Super Fast Purger. |
| jdi_listening_port | 8088 |
The listening port for the Super Fast Purger. |
| jdi_client_timeout | 5000 |
Client socket timeout. Client being the API user. |
| jdi_cache_timeout | 3000 |
Cache socket timeout. Cache refers to Varnish Cache. This can also be interpreted as worst-case response time from Varnish Cache. |
| jdi_corepool_size | 1000 |
The number of threads to keep in the pool, even if they are idle. |
| jdi_maxpool_size | 3000 |
The maximum number of threads to allow in the pool. |
| jdi_thread_keepalive | 5 |
When the number of thread is greater than the core, this is the maximum time that excess idle threads will wait for new tasks before terminating. The value here is in minutes. |
| jdi_retries | 3 |
The number of retries the VAC PURGER will attempt. |
| jdi_db_cache_ttl | 600000 |
he time-to-live for objects in the db cache used only by the Super Fast Purger. Value here is in ms. (10min ttl for each obj in our db cache) |
| vcp_max_active_obj | 2 |
maximum active objs in pool |
| vcp_max_idle_obj | 2 |
maximum idle objs in pool |
| vcp_min_idle_obj | 1 |
mininum idle objs in pool |
| vcp_exhausted_action | 0 |
actions to take when exhausted. 0 = fail, 1 = block, 2 = grow |
| vcp_test_on_borrow | true |
perform connection test on borrowing obj from pool |
| vcp_test_on_return | false |
perform connection test on returning obj to pool |
| vcp_max_wait_on_borrow | 200 |
max wait time on borrow object in ms |
| vcp_prepare_pool_immediately | true |
prepare pools on startup |
| vcp_http_keep_connection_alive | true |
keep connection to agent alive |
| vcp_http_between_bytes_timeout | 5000 |
between bytes timeout on receiving response from varnish-agent |
| vcp_http_connect_timeout | 5000 |
connection timeout to the varnish-agent |
| vacRrdSampleOffset | 1 |
sampling offset for end time when fetching based on resolution |
| scriptFile | install |
the absolute, dereferenced path of this script file |
| serviceName | vac |
service name |
| serviceUser | vac |
OS user name for the service |
| serviceGroup | vac |
OS group name for the service |
| maxShutdownTime | 20 |
maximum number of seconds to wait for the daemon to terminate normally |
| maxStartupTime | 60 |
maximum number of seconds to wait for the daemon to start properly |
| serviceUserHome | $applDir |
location of vac dir |
| vacJarFile | $vacShareDir/vac.jar |
location of vac.jar file |