bazel: document some tips for debug and build performance (#415). #835
Conversation
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As long as you are feeling the doc urge, can we add a few other very common ones like --test_args and --test_output ? Not sure what else might be useful. |
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Discussion of both --strategy=TestRunner=standalone (an option which I find to have somewhat confusing syntax...) and controlling cached test results might be good. It might also be good to have something that discusses when in theory "bazel clean" is required, and what the --expunge option adds to clean. |
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Also perhaps a short discussion on bazel.rc files? I was going to figure out today how to have a personal bazel.rc file that somehow gets merged with the one in tools/bazel.rc. |
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I'll add the sandbox, clean, |
Whatever you think is best. Even linking to the relevant sections of bazel docs is fine. bazel has so many options that to a newcomer just knowing the options to look at it is great. |
…nals (#835) Description: Disabling signal handling in the Server::Options makes it so that the server's event dispatcher does not listen for termination signals such as SIGTERM, SIGINT, etc. Previous crashes in iOS were experienced due to out-of-band event loop exit as described in #831. Ignoring termination signals makes it more likely that the event loop will only exit due to Engine destruction. This PR introduces Envoy::MobileMainCommon, as this is the canonical way to customize how main runs, and options setup per #3424. The new Envoy::MobileMainCommon also does away with other logic in Envoy::MainCommon that does not apply to Envoy Mobile. Risk Level: med - low-level change in termination handling Testing: unit test to assert option is correctly set. End to end test with iOS and Android devices to ensure clean exit when the app using envoy mobile exits (and thus destructs the engine). Moreover, there is no event loop exit any longer when the simulator app receives a SIGTERM, i.e., the event dispatcher is no longer listening to SIGTERM and exiting due to them. Potentially fixes #831. Will need to verify with wider client release. Signed-off-by: Jose Nino jnino@lyft.com Signed-off-by: JP Simard <jp@jpsim.com>
…nals (#835) Description: Disabling signal handling in the Server::Options makes it so that the server's event dispatcher does not listen for termination signals such as SIGTERM, SIGINT, etc. Previous crashes in iOS were experienced due to out-of-band event loop exit as described in #831. Ignoring termination signals makes it more likely that the event loop will only exit due to Engine destruction. This PR introduces Envoy::MobileMainCommon, as this is the canonical way to customize how main runs, and options setup per #3424. The new Envoy::MobileMainCommon also does away with other logic in Envoy::MainCommon that does not apply to Envoy Mobile. Risk Level: med - low-level change in termination handling Testing: unit test to assert option is correctly set. End to end test with iOS and Android devices to ensure clean exit when the app using envoy mobile exits (and thus destructs the engine). Moreover, there is no event loop exit any longer when the simulator app receives a SIGTERM, i.e., the event dispatcher is no longer listening to SIGTERM and exiting due to them. Potentially fixes #831. Will need to verify with wider client release. Signed-off-by: Jose Nino jnino@lyft.com Signed-off-by: JP Simard <jp@jpsim.com>
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