Warning
Error Code:
ACFS-07155
Oracle Database Error ACFS-07155: ACFS Low-Fragmentation Memory Heap Failure
Description
This error indicates that Oracle Automatic Storage Management Cluster File System (ACFS) failed to initialize a specialized memory heap designed for low fragmentation. While ACFS will attempt to continue operations using a standard memory heap, this failure suggests potential instability and an increased risk of running out of memory during subsequent operations.
Error Message
An attempt to initialize a low-fragmentation memory heap failed. string will attempt to continue with the standard memory heap but may run out of memory.
Known Causes
4 known causesSystem Memory Exhaustion
The server running ACFS does not have sufficient free physical memory to allocate the requested low-fragmentation heap.
Operating System Resource Limits
OS kernel parameters or user limits (ulimit) are restricting the amount of memory ACFS can allocate for its processes.
ACFS Configuration Issues
ACFS specific parameters related to memory allocation or heap management might be misconfigured, leading to failed initialization.
Underlying OS Memory Management
Rare cases of operating system kernel bugs or issues with memory management subsystems can prevent successful heap allocation.
Solutions
Coming SoonDetailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:
General Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service