| Name | Arguments | Emitted |
|---|---|---|
create |
cache, namespace |
when the CacheClient#create method is called |
error |
err, namespace |
on errors |
The CacheClient error event is propagated from the Caches created by the client.
The events below are emitted by the Cache created by
the create method of the CacheClient.
| Name | Arguments | Emitted | Followed by |
|---|---|---|---|
get:before |
key |
before the datastore is called to get a value | none |
get:stale |
key |
when an element exceeds its staleIn time |
populate |
get:expire |
key |
when an element exceeds its expireIn time |
del |
get:hit |
key |
when an element exceeds its expireIn time |
none |
get:miss |
key |
when an element is not in the cache | populate |
get:after |
key, elapsedTimeInMs |
after the datastore returns a value or an error | none |
get:error |
err, key |
when a datastore returns an error | none |
set:before |
key, value |
before the datastore is called to set a value | none |
set:identical |
key, value |
when a value that is being set is identical to the one in the datastore. | none |
set:after |
key, value, elapsedTimeInMs |
after the datastore is done setting a value | none |
set:error |
err, key, value |
when a datastore returns an error | none |
del:before |
key |
before the datastore is called to delete a value | none |
del:after |
key, elapsedTimeInMs |
after the datastore is done deleting an element | none |
del:error |
err, key |
when a datastore returns an error | none |
populate:before |
key |
before distribucache attempts to populate a value | set |
populate:after |
key, elapsedTimeInMs |
after distribucahce populates a value or returns an error | none |
populate:error |
err, key |
when a datastore returns an error | none |
populateIn:before |
key |
before distribucache attempts to populate a value (on the populateIn interval) |
populate |
populateIn:pause |
key |
when the cache hasn't been re-populated within the pausePopulateIn time |
none |
populateIn:maxAttempts |
key |
when the cache reached the maximum number of attempts to populate (as configured by populateInAttempts) |
none |
populateIn:after |
key, elapsedTimeInMs |
after distribucache is done setting a value or returns an error | none |
populateIn:error |
err, key |
when a datastore returns an error | none |
One use-case for the events is debugging. See the Debugging docs for more info.