Sorabh e44e890d88
Part 1: Support for cancel_after_timeinterval parameter in search and msearch request (#986) (#1085)
* Part 1: Support for cancel_after_timeinterval parameter in search and msearch request

This commit introduces the new request level parameter to configure the timeout interval after which
a search request will be cancelled. For msearch request the parameter is supported both at parent
request and at sub child search requests. If it is provided at parent level and child search request
doesn't have it then the parent level value is set at such child request. The parent level msearch
is not used to cancel the parent request as it may be tricky to come up with correct value in cases
when child search request can have different runtimes

TEST: Added test for ser/de with new parameter

Signed-off-by: Sorabh Hamirwasia <sohami.apache@gmail.com>

* Part 2: Support for cancel_after_timeinterval parameter in search and msearch request

This commit adds the handling of the new request level parameter and schedule cancellation task. It
also adds a cluster setting to set a global cancellation timeout for search request which will be
used in absence of request level timeout.

TEST: Added new tests in SearchCancellationIT
Signed-off-by: Sorabh Hamirwasia <sohami.apache@gmail.com>

* Address Review feedback for Part 1

Signed-off-by: Sorabh Hamirwasia <sohami.apache@gmail.com>

* Address review feedback for Part 2

Signed-off-by: Sorabh Hamirwasia <sohami.apache@gmail.com>

* Update CancellableTask to remove the cancelOnTimeout boolean flag

Signed-off-by: Sorabh Hamirwasia <sohami.apache@gmail.com>

* Replace search.cancellation.timeout cluster setting with search.enforce_server.timeout.cancellation to control if cluster level cancel_after_time_interval should take precedence over request level cancel_after_time_interval value

Signed-off-by: Sorabh Hamirwasia <sohami.apache@gmail.com>

* Removing the search.enforce_server.timeout.cancellation cluster setting and just keeping search.cancel_after_time_interval setting with request level parameter taking the precedence.

Signed-off-by: Sorabh Hamirwasia <sohami.apache@gmail.com>

Co-authored-by: Sorabh Hamirwasia <hsorabh@amazon.com>

Co-authored-by: Sorabh Hamirwasia <hsorabh@amazon.com>
2021-08-12 13:52:28 -04:00
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