Describe the memory heap. The memory used for dynamic allocation is called a heap. Based on the state of the object, blocks of memory on the heap are often allocated and freed. Dead or unreferenced items are present on the heap because memory is allocated and freed in an unpredictable order. Java software called …
A garbage collector is a Java program that keeps track of referenced (alive) objects and allows them to remain in heap memory while reclaiming memory from unreferenced (dead) objects and reusing them. for further assignment of objects. Garbage collection is the term used to describe this technique for reclaiming unused memory. Memory is not explicitly …
Businesses can get virtualization solutions from VMware by using their systems as servers. A single physical server can be partitioned into several virtual servers, each of which can run its operating system and set of programs, thanks to a technology called virtualization. This offers a lot of flexibility and enables companies to deploy apps fast, …
Sun Microsystems created the Unix-based operating system Solaris, which is now owned by Oracle. It is intended for use with the x86, IA-64, and SPARC architectures. Many major enterprise settings and cloud computing solutions employ Solaris as their server operating system. In addition to virtualization, clustering, high availability, scalability, and security, it offers a variety …
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Hewlett-Packard (HP) created and markets the server-based operating system known as HP-UX. It is a Unix-based operating system built for Hewlett-Packard 9000 series servers. In corporate data centers, HP-UX is a popular operating system because it is reliable, secure, and stable. Mission-critical applications such as data warehousing, customer relationship management (CRM), and enterprise resource planning …
Used on IBM Power Systems servers, AIX is a proprietary operating system from IBM that is based on the UNIX operating system. It offers an exceptionally high level of stability, availability, scalability, and security and is tailored for large-scale enterprise computing. With a large selection of utilities and application development tools, AIX complies with the …
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Using the ‘mpstat’ command to monitor the performance of a Linux server is one of the most established and effective techniques to gather CPU information. The mpstat command helps track the CPU activity of each core if the system has a multi-core processor. In the case of a dual-processor, dual-core Linux kernel, the program will …
The ‘vmstat’ command is one of the most established and effective ways to collect memory statistics on Linux servers. Virtual Memory Statistics, or “vmstat,” is a tool that offers a great low-overhead perspective of system performance. Because ‘vmstat’ has such a minimal overhead, it is useful to keep it running on a console even when …
The Linux operating system is a well-liked option for servers. It is a highly dependable and secure operating system that is open-source and free. Additionally, it is simple to customize and works with the majority of hardware and applications. Numerous functions, including web hosting, virtualization, file and print services, and database management, are performed on …
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PostgreSQL Database Performance Counters are discussed in this article. An object-relational database management system (ORDBMS) is PostgreSQL. Large online applications and data-driven websites can benefit from this open-source, strong, and dependable database system. It is recognized for its dependability and sturdy features, making it a popular option for enterprise applications. As a transactional database, PostgreSQL …
