![]() Our hardware architecture enforces atomicity and ordering guarantees required by BPFS while still providing the performance benefits of the L1 and L2 caches. As a result, BPFS provides strong reliability guarantees /and/ offers better performance than traditional file systems, even when both are run on top of byte-addressable, persistent memory. Our file system, BPFS, uses a new technique called short-circuit shadow paging to provide atomic, fine-grained updates to persistent storage. In this paper, we present a file system and hardware architecture that are designed around the properties of persistent, byte-addressable memory. However, new byte-addressable, persistent memory technologies such as phase change memory (PCM) offer fast, fine-grained access to persistent storage. So, what are you waiting for? Download the latest version of MenuMeters today.Modern computer systems have been built around the assumption that persistent storage is accessed via a slow, block-based interface. The good news is so far, we’ve not found a need to ever delete this nifty application. Uninstalling Menumeters is a manual process involving deleting the appropriate files. The only caveat in installing Menumeters is that it integrates seemlessly into your Systems Preferences which is great if you intend to use it permanently but removal is separate can of worms. With a simple and intuitive interface and a small footprint, you can afford to keep it on your menubar at all times without sacrificing precious screen real estate or CPU performance. Interface information is gathered from the SystemConfiguraton framework and thus is MacOS X network location aware.Īlthough, there are a plethora of apps out there that purport to carry out similar functions, including certain konfabulator widgets, Menumeters is by far the best innovation in this area of Mac monitoring. The Net Meter menu shows current interfaces and their status. Scaling can be done on the basis of actual link speed reported by the network interface or peak traffic and can use one of several scaling calculations. Both the arrows and the graph are scaled using a user-selected scaling factor and calculation. The Net Meter can display network throughput as arrows, bytes per second, and/or as a graph.The Memory Meter can optionally display a paging indicator light The Memory Meter menu shows a breakdown of current memory usage and VM statistics. The Memory Meter can display current memory usage as either a pie chart, thermometer, history graph, or as used/free totals.The Disk Meter menu shows volume space details for local drives (it does not display mounted network volumes for speed reasons) It is hotplug aware, and will show activity on FireWire and USB disks as they are mounted. The Disk Activity Meter displays disk activity to local disks on the system (anything that is a IOKit BlockStorage driver). ![]() The menu for the CPU Meter contains several pieces of information I like to have a single click away (uptime, load average, open Process Viewer, open Console) It can also graph user and system load and display the load as a “thermometer”.
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