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More effective usage of heap && Make Che server JAVA_OPTS sutable for Java 8 and Java 11 (#224) 

For 1 GB container 842.94M  instead of 455.50M

docker run -m 1GB openjdk:8u242-jre-slim java \
          -XX:MaxRAMPercentage=85.0 \
          -XshowSettings:vm \
          -version
VM settings:
    Max. Heap Size (Estimated): 842.94M
    Ergonomics Machine Class: server
    Using VM: OpenJDK 64-Bit Server VM

openjdk version "1.8.0_242"
OpenJDK Runtime Environment (build 1.8.0_242-b08)
OpenJDK 64-Bit Server VM (build 25.242-b08, mixed mode)

docker run -m 1GB openjdk:8u242-jre-slim java \
         -XX:MaxRAMFraction=2 -XX:+UseParallelGC -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=20 -XX:GCTimeRatio=4 -XX:AdaptiveSizePolicyWeight=90 -XX:+UnlockExperimentalVMOptions -XX:+UseCGroupMemoryLimitForHeap -Dsun.zip.disableMemoryMapping=true -Xms20m \
          -XshowSettings:vm \
          -version
VM settings:
    Min. Heap Size: 20.00M
    Max. Heap Size (Estimated): 455.50M
    Ergonomics Machine Class: server
    Using VM: OpenJDK 64-Bit Server VM

openjdk version "1.8.0_242"
OpenJDK Runtime Environment (build 1.8.0_242-b08)
OpenJDK 64-Bit Server VM (build 25.242-b08, mixed mode)
pull/237/head
Sergii Kabashniuk 2020-04-30 15:31:05 +02:00 committed by GitHub
parent bc47b7b1af
commit 25c9bdb853
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 1 additions and 4 deletions
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5
pkg/deploy/defaults.go
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@ -68,10 +68,7 @@ const (
DefaultCheVolumeClaimName = "che-data-volume"
DefaultPostgresVolumeClaimName = "postgres-data"
DefaultJavaOpts = "-XX:MaxRAMFraction=2 -XX:+UseParallelGC -XX:MinHeapFreeRatio=10 " +
"-XX:MaxHeapFreeRatio=20 -XX:GCTimeRatio=4 " +
"-XX:AdaptiveSizePolicyWeight=90 -XX:+UnlockExperimentalVMOptions -XX:+UseCGroupMemoryLimitForHeap " +
"-Dsun.zip.disableMemoryMapping=true -Xms20m"
DefaultJavaOpts = "-XX:MaxRAMPercentage=85.0"
DefaultWorkspaceJavaOpts = "-XX:MaxRAM=150m -XX:MaxRAMFraction=2 -XX:+UseParallelGC " +
"-XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=20 -XX:GCTimeRatio=4 -XX:AdaptiveSizePolicyWeight=90 " +
"-Dsun.zip.disableMemoryMapping=true " +