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  2. Disaggregated storage - Wikipedia

    en.wikipedia.org/wiki/Disaggregated_Storage

    Capacity utilization is low because disk capacity can't be directly used by other servers. [5] Storage area networks are used to allocate storage to dozens or possibly hundreds of servers, which increases capacity utilization, but storage area networks use specialized network hardware and/or protocols that can come with disadvantages. [6]

  3. Why is my computer so slow? - AOL

    www.aol.com/products/blog/why-is-my-computer-so-slow

    Low Disk Space Warnings: ... Monitor Resource Usage: Use built-in system monitoring tools or third-party software to track CPU, memory, disk and network usage, ...

  4. iostat - Wikipedia

    en.wikipedia.org/wiki/Iostat

    iostat (input/output statistics) is a computer system monitor tool used to collect and show operating system storage input and output statistics. It is often used to identify performance issues with storage devices, including local disks, or remote disks accessed over network file systems such as NFS.

  5. Storage area network - Wikipedia

    en.wikipedia.org/wiki/Storage_area_network

    A storage area network (SAN) or storage network is a computer network which provides access to consolidated, block-level data storage. SANs are primarily used to access data storage devices, such as disk arrays and tape libraries from servers so that the devices appear to the operating system as direct-attached storage .

  6. Overhead (computing) - Wikipedia

    en.wikipedia.org/wiki/Overhead_(computing)

    It is thus similar to overhead in organizations. Computer system overhead shows up as slower processing, less memory, less storage capacity, less network bandwidth, or bigger latency than would be expected from reading the system specifications. [1] It is a special case of engineering overhead. Overhead can be a deciding factor in software ...

  7. Network throughput - Wikipedia

    en.wikipedia.org/wiki/Network_throughput

    Channel utilization, channel efficiency and packet drop rate in percentage are less ambiguous terms. The channel efficiency, also known as bandwidth utilization efficiency, is the percentage of the net bit rate (in bit/s) of a digital communication channel that goes to the actually achieved throughput. For example, if the throughput is 70 Mbit ...

  8. Ganglia (software) - Wikipedia

    en.wikipedia.org/wiki/Ganglia_(software)

    Ganglia is a scalable, distributed monitoring tool for high-performance computing systems, clusters and networks. The software is used to view either live or recorded statistics covering metrics such as CPU load averages or network utilization for many nodes.

  9. Software performance testing - Wikipedia

    en.wikipedia.org/wiki/Software_performance_testing

    Network utilization As a first step, the patterns generated by these 4 parameters provide a good indication on where the bottleneck lies. To determine the exact root cause of the issue, software engineers use tools such as profilers to measure what parts of a device or software contribute most to the poor performance, or to establish throughput ...