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yueawang / oap-perf-suite

OAP Cluster Performance TestSuite
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Drop cache in executors in addition to the driver #17

Closed zhangweilst closed 6 years ago

zhangweilst commented 6 years ago

Changes

Drop the system cache every time before a query starts, both in driver and executors.

Test

Manually tested.

zhangweilst commented 6 years ago

@yueawang This pr drops the cache both in executors and driver, and each time before a query starts. The tests show that queries that disabled the oap cache benefits a lot from system cache. Ready to have your opinion!