Skip to content

feat(jvm): optimize JVM GC logging for arm64 #6457

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Sep 25, 2025
Merged

feat(jvm): optimize JVM GC logging for arm64 #6457

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 3 additions & 3 deletions README.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -72,7 +72,7 @@ Make sure you operate on `Linux` or `MacOS` operating systems, other operating s
### ARM64
64-bit version of `JDK 17` to be installed, other JDK versions are not supported yet.

### build
## Build
Clone the repo and switch to the `master` branch

```bash
Expand Down Expand Up @@ -141,7 +141,7 @@ $ nohup java -Xms9G -Xmx9G -XX:ReservedCodeCacheSize=256m \
### ARM64 JDK 17
```bash
$ nohup java -Xms9G -Xmx9G -XX:+UseZGC \
-Xlog:gc*:file=gc.log:time,uptime,level,tags:filecount=50,filesize=100M \
-Xlog:gc,gc+heap:file=gc.log:time,tags,level:filecount=10,filesize=100M \
-XX:ReservedCodeCacheSize=256m \
-XX:+UseCodeCacheFlushing \
-XX:MetaspaceSize=256m \
Expand Down Expand Up @@ -181,7 +181,7 @@ $ nohup java -Xms9G -Xmx9G -XX:ReservedCodeCacheSize=256m \
### ARM64 JDK 17
```bash
$ nohup java -Xms9G -Xmx9G -XX:+UseZGC \
-Xlog:gc*:file=gc.log:time,uptime,level,tags:filecount=50,filesize=100M \
-Xlog:gc,gc+heap:file=gc.log:time,tags,level:filecount=10,filesize=100M \
-XX:ReservedCodeCacheSize=256m \
-XX:+UseCodeCacheFlushing \
-XX:MetaspaceSize=256m \
Expand Down
2 changes: 1 addition & 1 deletion gradle/jdk17/java-tron.vmoptions
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
-XX:+UseZGC
-Xlog:gc*:file=gc.log:time,uptime,level,tags:filecount=50,filesize=100M
-Xlog:gc,gc+heap:file=gc.log:time,tags,level:filecount=10,filesize=100M
-XX:ReservedCodeCacheSize=256m
-XX:+UseCodeCacheFlushing
-XX:MetaspaceSize=256m
Expand Down
19 changes: 9 additions & 10 deletions start.sh.simple
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -31,12 +31,10 @@


# adjust JVM start
# Set the minimum and maximum heap size to 9G, adjust as needed
# Set the minimum heap size to 9G, adjust as needed
VM_XMS="9G"
# Set the maximum heap size to 9G, adjust as needed
VM_XMX="9G"
# Set the maximum direct memory size to 1G, adjust as needed
VM_MAX_DIRECT_MEMORY_SIZE="1G"
# adjust JVM end

FULL_NODE_JAR="FullNode.jar"
Expand Down Expand Up @@ -133,13 +131,14 @@ startService() {
fi

nohup "$JAVACMD" \
-Xms"$VM_XMS" -Xmx"$VM_XMX" -XX:ReservedCodeCacheSize=256m \
-XX:MetaspaceSize=256m -XX:MaxMetaspaceSize=512m \
-XX:MaxDirectMemorySize="$VM_MAX_DIRECT_MEMORY_SIZE" \
-Xloggc:gc.log -XX:+PrintGCDetails \
-XX:+UseG1GC \
-XX:MaxGCPauseMillis=40 \
-XX:InitiatingHeapOccupancyPercent=45 \
-Xms"$VM_XMS" -Xmx"$VM_XMX" \
-XX:+UseZGC \
-Xlog:gc,gc+heap:file=gc.log:time,tags,level:filecount=10,filesize=100M \
-XX:ReservedCodeCacheSize=256m \
-XX:+UseCodeCacheFlushing \
-XX:MetaspaceSize=256m \
-XX:MaxMetaspaceSize=512m \
-XX:MaxDirectMemorySize=1g \
-XX:+HeapDumpOnOutOfMemoryError \
-jar "$FULL_NODE_JAR" "${FULL_START_OPT[@]}" \
>> start.log 2>&1 &
Expand Down