This is an automated email from the ASF dual-hosted git repository.
jt2594838 pushed a commit to branch dev/1.3
in repository https://gitbox.apache.org/repos/asf/iotdb.git
The following commit(s) were added to refs/heads/dev/1.3 by this push:
new a8505fb79ef Enable CRC32 intrinsic for DataNode (#18239) (#18245)
a8505fb79ef is described below
commit a8505fb79ef8a5eb89250d22d65a0fe21bb8871d
Author: Caideyipi <[email protected]>
AuthorDate: Tue Jul 21 09:53:32 2026 +0800
Enable CRC32 intrinsic for DataNode (#18239) (#18245)
---
iotdb-core/datanode/src/assembly/resources/conf/datanode-env.bat | 2 ++
iotdb-core/datanode/src/assembly/resources/conf/datanode-env.sh | 3 +++
2 files changed, 5 insertions(+)
diff --git a/iotdb-core/datanode/src/assembly/resources/conf/datanode-env.bat
b/iotdb-core/datanode/src/assembly/resources/conf/datanode-env.bat
index df8e8ac6334..abd01eff131 100644
--- a/iotdb-core/datanode/src/assembly/resources/conf/datanode-env.bat
+++ b/iotdb-core/datanode/src/assembly/resources/conf/datanode-env.bat
@@ -125,6 +125,8 @@ 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
diff --git a/iotdb-core/datanode/src/assembly/resources/conf/datanode-env.sh
b/iotdb-core/datanode/src/assembly/resources/conf/datanode-env.sh
index b1f3c687326..af3cc6ae9dd 100755
--- a/iotdb-core/datanode/src/assembly/resources/conf/datanode-env.sh
+++ b/iotdb-core/datanode/src/assembly/resources/conf/datanode-env.sh
@@ -316,6 +316,9 @@ 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"
