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jt2594838 pushed a commit to branch master
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The following commit(s) were added to refs/heads/master by this push:
new 55271d74a36 Enable CRC32 intrinsic for DataNode (#18239)
55271d74a36 is described below
commit 55271d74a3653f6ac5e5ebc63fcbc3c59d9083dd
Author: Caideyipi <[email protected]>
AuthorDate: Mon Jul 20 09:42:12 2026 +0800
Enable CRC32 intrinsic for DataNode (#18239)
---
scripts/conf/datanode-env.sh | 3 +++
scripts/conf/windows/datanode-env.bat | 2 ++
2 files changed, 5 insertions(+)
diff --git a/scripts/conf/datanode-env.sh b/scripts/conf/datanode-env.sh
index 85e880634c4..66a51a00fde 100755
--- a/scripts/conf/datanode-env.sh
+++ b/scripts/conf/datanode-env.sh
@@ -237,6 +237,9 @@ IOTDB_JMX_OPTS="$IOTDB_JMX_OPTS
-Djdk.nio.maxCachedBufferSize=${MAX_CACHED_BUFFE
IOTDB_JMX_OPTS="$IOTDB_JMX_OPTS -XX:+CrashOnOutOfMemoryError"
IOTDB_JMX_OPTS="$IOTDB_JMX_OPTS -XX:+UseAdaptiveSizePolicy"
IOTDB_JMX_OPTS="$IOTDB_JMX_OPTS -Xss512k"
+# Enable the CRC32 intrinsic on compiled paths to avoid the JNI critical
fallback.
+IOTDB_JMX_OPTS="$IOTDB_JMX_OPTS -XX:+UnlockDiagnosticVMOptions"
+IOTDB_JMX_OPTS="$IOTDB_JMX_OPTS -XX:+UseCRC32Intrinsics"
# these two options print safepoints with pauses longer than 1000ms to the
standard output. You can see these logs via redirection when starting in the
background like "start-datanode.sh > log_datanode_safepoint.log"
IOTDB_JMX_OPTS="$IOTDB_JMX_OPTS -XX:SafepointTimeoutDelay=1000"
IOTDB_JMX_OPTS="$IOTDB_JMX_OPTS -XX:+SafepointTimeout"
diff --git a/scripts/conf/windows/datanode-env.bat
b/scripts/conf/windows/datanode-env.bat
index c9422670df5..c745e32eeec 100644
--- a/scripts/conf/windows/datanode-env.bat
+++ b/scripts/conf/windows/datanode-env.bat
@@ -126,6 +126,8 @@ set IOTDB_HEAP_OPTS=%IOTDB_HEAP_OPTS%
-XX:+UseAdaptiveSizePolicy
set IOTDB_HEAP_OPTS=%IOTDB_HEAP_OPTS% -Xss512k
@REM options below try to optimize safepoint stw time.
set IOTDB_HEAP_OPTS=%IOTDB_HEAP_OPTS% -XX:+UnlockDiagnosticVMOptions
+@REM Enable the CRC32 intrinsic on compiled paths to avoid the JNI critical
fallback.
+set IOTDB_HEAP_OPTS=%IOTDB_HEAP_OPTS% -XX:+UseCRC32Intrinsics
set IOTDB_HEAP_OPTS=%IOTDB_HEAP_OPTS% -XX:GuaranteedSafepointInterval=0
@REM these two options print safepoints with pauses longer than 1000ms to the
standard output. You can see these logs via redirection when starting in the
background like "start-datanode.sh > log_datanode_safepoint.txt"
set IOTDB_HEAP_OPTS=%IOTDB_HEAP_OPTS% -XX:SafepointTimeoutDelay=1000
