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Briefly, this error occurs when OpenSearch is unable to install a system call filter due to insufficient permissions or an incompatible system. This filter is used to enhance security by limiting the system calls that OpenSearch can make. To resolve this issue, you can either run OpenSearch with more privileges, upgrade your system to a compatible version, or disable the system call filter by setting ‘bootstrap.system_call_filter’ to false in the OpenSearch settings. However, disabling the filter should be a last resort as it reduces security.
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This guide will help you check for common problems that cause the log ” unable to install syscall filter: ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: bootstrap.
Log Context
Log “unable to install syscall filter:” classname is JNANatives.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :
// this is likely to happen unless the kernel is newish; its a best effort at the moment
// so we log stacktrace at debug for now...
if (logger.isDebugEnabled()) {
logger.debug("unable to install syscall filter"; e);
}
logger.warn("unable to install syscall filter: "; e);
}
}
}
