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public interface RateLimitsOrBuilder extends MessageOrBuilder
Implements
MessageOrBuilderMethods
getMaxBurstSize()
public abstract int getMaxBurstSize()
The max burst size.
Max burst size limits how fast tasks in queue are processed when many tasks are in the queue and the rate is high. This field allows the queue to have a high rate so processing starts shortly after a task is enqueued, but still limits resource usage when many tasks are enqueued in a short period of time.
The token bucket
algorithm is used to control the rate of task dispatches. Each
queue has a token bucket that holds tokens, up to the maximum
specified by max_burst_size
. Each time a task is dispatched, a
token is removed from the bucket. Tasks will be dispatched until
the queue's bucket runs out of tokens. The bucket will be
continuously refilled with new tokens based on
max_dispatches_per_second.
The default value of max_burst_size
is picked by Cloud Tasks
based on the value of
max_dispatches_per_second.
The maximum value of max_burst_size
is 500.
For App Engine queues that were created or updated using
queue.yaml/xml
, max_burst_size
is equal to
bucket_size.
If
UpdateQueue is called
on a queue without explicitly setting a value for max_burst_size
,
max_burst_size
value will get updated if
UpdateQueue is
updating max_dispatches_per_second.
int32 max_burst_size = 2;
Returns | |
---|---|
Type | Description |
int | The maxBurstSize. |
getMaxConcurrentTasks()
public abstract int getMaxConcurrentTasks()
The maximum number of concurrent tasks that Cloud Tasks allows to be dispatched for this queue. After this threshold has been reached, Cloud Tasks stops dispatching tasks until the number of concurrent requests decreases.
If unspecified when the queue is created, Cloud Tasks will pick the default.
The maximum allowed value is 5,000.
This field is output only for
pull queues and always -1, which
indicates no limit. No other queue types can have max_concurrent_tasks
set to -1.
This field has the same meaning as max_concurrent_requests in queue.yaml/xml.
int32 max_concurrent_tasks = 3;
Returns | |
---|---|
Type | Description |
int | The maxConcurrentTasks. |
getMaxTasksDispatchedPerSecond()
public abstract double getMaxTasksDispatchedPerSecond()
The maximum rate at which tasks are dispatched from this queue.
If unspecified when the queue is created, Cloud Tasks will pick the default.
- For App Engine queues, the maximum allowed value is 500.
- This field is output only for pull
queues. In addition to the
max_tasks_dispatched_per_second
limit, a maximum of 10 QPS of LeaseTasks requests are allowed per pull queue.
This field has the same meaning as rate in queue.yaml/xml.
double max_tasks_dispatched_per_second = 1;
Returns | |
---|---|
Type | Description |
double | The maxTasksDispatchedPerSecond. |