What is maximum resident set size?
Collectively, the total amount is the virtual set size. The peak resident set size (Peak RSS or Max RSS) refers to the peak amount of memory a process has had up to that point.
What is memory resident size bytes?
RSS is the Resident Set Size and is used to show how much memory is allocated to that process and is in RAM. It does not include memory that is swapped out. It does include memory from shared libraries as long as the pages from those libraries are actually in memory. It does include all stack and heap memory.
What is resident memory in Hana?
The resident physical memory is a pool of memory used, representing the SAP HANA, operating system, and other programs. Allocation Limit. The allocation limit is set up to 90% of the first 64GB of physical memory on the host including 97% of each further GB. You cannot change the value under any circumstances.
What is resident and virtual memory?
Resident memory, labelled RES: How much physical memory, how much RAM, your process is using. RES is the important number. Virtual memory, labelled VIRT: How much memory your process thinks it’s using. Usually much bigger than RES, thanks to the Linux kernel’s clever memory management.
What is peak memory usage?
VmPeak is the maximum amount of memory the process has used since it was started. In order to track the memory usage of a process over time, you can use a tool called munin to track, and show you a nice graph of the memory usage over time.
What is memory usage RSS?
In computing, resident set size (RSS) is the portion of memory occupied by a process that is held in main memory (RAM). The rest of the occupied memory exists in the swap space or file system, either because some parts of the occupied memory were paged out, or because some parts of the executable were never loaded.
What is Total_vm and RSS?
126. As I understand, the size of the virtual memory that a process uses is listed as “total-vm”. Part of it is really mapped into the RAM itself (allocated and used). This is “RSS”. Part of the RSS is allocated in real memory blocks (other than mapped into a file or device).
What is the difference between Hana used memory and resident memory?
c) Resident Memory – the physical memory actually in operational use by a process. e) SAP HANA Used Memory – total amount of memory currently used by SAP HANA processes, including the currently allocated Pool Memory.
What is peak memory usage in Hana?
Peak used memory is a sign of strong activity in a sap hana tenant database. The increase of memory usage is perfectly normal as long as it is within a certain threshold.
What is resident memory in top?
RES stands for the resident size, which is an accurate representation of how much actual physical memory a process is consuming. (This also corresponds directly to the %MEM column.) This will virtually always be less than the VIRT size, since most programs depend on the C library.
What is peak memory footprint?
Measure memory of a Linux process in C Get code from here. Peak memory is the maximum amount of memory your process has used over its lifetime so far.