When I used gradle profile(https://github.com/gradle/gradle-profiler) for performance testing, I found that if gradle deamon is enabled, the build time may increase abnormally(5 times that of head-up) during continuous build. Use top(Ubuntu) to check out CPU/IO usage and found that in the abnormal build, the CPU usage is extremely low (3-5%), and most of the time is in wait IO.
Expected Behavior
When gradle deamon is started for continuous construction, the time taken by the gradle profile(https://github.com/gradle/gradle-profiler) measurement should be stable.
Current Behavior
When gradle deamon is turned on, time-consuming exceptions occur during continuous build.
Context
In the same configuration, when gradle deamon is closed, gradle continuous construction takes time. Once gradle deamon is turned on, the gradle build will have a time-consuming exception.
Infrastructure
Operating system Linux 4.15.0-54-generic
CPU cores 4 cores
Max Gradle workers 4 workers
Java runtime Private Build OpenJDK Runtime Environment 1.8.0_222-8u222-b10-1ubuntu1~18.04.1-b10
Java VM Private Build OpenJDK 64-Bit Server VM 25.222-b10 (mixed mode)
Max JVM memory heap size 9544 MB
When I used gradle profile(https://github.com/gradle/gradle-profiler) for performance testing, I found that if gradle deamon is enabled, the build time may increase abnormally(5 times that of head-up) during continuous build. Use top(Ubuntu) to check out CPU/IO usage and found that in the abnormal build, the CPU usage is extremely low (3-5%), and most of the time is in wait IO.
Expected Behavior
When gradle deamon is started for continuous construction, the time taken by the gradle profile(https://github.com/gradle/gradle-profiler) measurement should be stable.
Current Behavior
When gradle deamon is turned on, time-consuming exceptions occur during continuous build.
Context
In the same configuration, when gradle deamon is closed, gradle continuous construction takes time. Once gradle deamon is turned on, the gradle build will have a time-consuming exception.
Your Environment
Turn off gradle deamon build data： benchmark.zip
Turn on gradle deamon build data： benchmark.zip
Infrastructure Operating system Linux 4.15.0-54-generic CPU cores 4 cores Max Gradle workers 4 workers Java runtime Private Build OpenJDK Runtime Environment 1.8.0_222-8u222-b10-1ubuntu1~18.04.1-b10 Java VM Private Build OpenJDK 64-Bit Server VM 25.222-b10 (mixed mode) Max JVM memory heap size 9544 MB