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Number of queued tasks in server pool could overflow #1866

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spolitov opened this issue Jul 22, 2019 · 0 comments
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Number of queued tasks in server pool could overflow #1866

spolitov opened this issue Jul 22, 2019 · 0 comments
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area/docdb YugabyteDB core features

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@spolitov spolitov self-assigned this Jul 22, 2019
@spolitov spolitov added the area/docdb YugabyteDB core features label Jul 22, 2019
spolitov added a commit that referenced this issue Jul 23, 2019
@spolitov
[#1866]: Fix handling timeout of a local call in the service pool
c0649d1 
Summary:
When timeout happens for a local call, the service pool would (before this fix) decrease the number of queued tasks.
But the local call was never queued, so number of queued tasks could underflow and become negative.

Fixed by checking that call was queued before decreasing the number of queued tasks.

Test Plan: ybd debug --cxx-test cassandra_cpp_driver-test --gtest_filter CppCassandraDriverTest.LocalCallBackpressure

Reviewers: timur, mikhail, amitanand

Reviewed By: mikhail, amitanand

Subscribers: bogdan, amitanand, ybase

Differential Revision: https://phabricator.dev.yugabyte.com/D6933
@ttyusupov ttyusupov mentioned this issue Jul 26, 2019
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