Memory Calculators
20 free memory calculators in Linux.
- Buffer Cache CalculatorEstimate buffer cache size used for block device I/O buffering on Linux systems.
- Heap Size CalculatorCalculate recommended heap size for a process based on workload and object allocation rate.
- HugePages CalculatorCalculate the number of HugePages needed to back a given amount of application memory.
- Kernel Memory CalculatorEstimate kernel memory footprint including slab allocations and kernel structures.
- Memory Fragmentation CalculatorEstimate memory fragmentation percentage from free memory chunk size distribution.
- Memory Growth ForecastForecast future memory consumption from historical usage trend and growth rate.
- Memory Leak EstimatorEstimate time until out-of-memory based on observed process memory leak rate.
- Memory Utilization CalculatorCalculate overall memory utilization percentage across physical RAM and swap.
- NUMA Memory PlannerPlan memory allocation across NUMA nodes to minimize remote memory access latency.
- OOM Killer Threshold CalculatorCalculate the memory threshold at which the Linux OOM killer is likely to trigger.
- Page Cache CalculatorCalculate the portion of RAM used as page cache and its effect on available memory.
- Page Table Size CalculatorCalculate page table memory overhead based on page size and mapped address space.
- Process Memory CalculatorCalculate total memory footprint of a process from RSS, shared and private memory.
- RAM Usage CalculatorCalculate used, free and cached RAM percentages from free command output values.
- RSS CalculatorCalculate a process's Resident Set Size and its share of total physical memory.
- Shared Memory CalculatorCalculate System V or POSIX shared memory segment size requirements for applications.
- Stack Size CalculatorCalculate thread stack size requirements and total stack memory for multi-threaded processes.
- Swap Utilization CalculatorCalculate swap space usage percentage and estimate performance impact of swapping.
- Virtual Memory CalculatorCalculate virtual address space size and mapping requirements for a process.
- VSZ CalculatorCalculate a process's Virtual Size including mapped, reserved and unused address space.