Everyone hates the printk function, because its supposed to do something very simple print output to the console but in order to do that it has to overcome tremendous obstacles, like producing its output while the system itself is in the very midst of total destruction. Agenda a bit of background information software architecture. Jeff moyer has been called resilient, unstoppable and unbelievable. The info youll find here is mostly derived from an arch linux system perspective. Lightweight containers with nspawn lennart poettering. Presentation title goes herejeff moyer red hat principal software engineer persistent memory in linux january 20, 2016, san jose, ca. Jeff moyer consultant independent consultant linkedin.
Jeff moyer senior vice president private cloud and. Programming with the netpoll api linux kongress 2005. May 03, 2017 jeff s linux blog im jeff story, a computer enthusiast who enjoys exploring the inner workings of linux and open source software as a hobby. Intel in particular, as jeff moyer pointed out, has already implemented memory modes for its optane ram chips to let the system choose to treat the chips either as regular memory or as persistent memory. Linuxkernel archive by subject 6679 messages sorted by. He currently spends the bulk of his time tracking down bugs and performance problems in the block io.
Lightweight containers with nspawn lennart poettering, red. Michael christie sachin prabhu rob evers david howells david lehman jeff moyer eric sandeen mike snitzer. Red hat software collections is not formally related to or endorsed by the official joyent node. This book clarifies the current industry confusion about what sdn is, why its important, and most importantly the protocols and use cases that define sdn. The kernelrt package contains the linux kernel vmlinuz, the core of any linux operating system. Disable software timeout on uv4 hardware frank ramsay 1414715 86692 x86 platformuv. By jeff moyer december 5, 2016 persistent memory, or pmem, is an exciting new storage technology that combines the durability of storage with the low access latencies and high bandwidth of dram. The highlights section provides a snapshot of his public speaking history and a bibliography of jeffs diverse publications.
Google, an american based multinational company, the services of which includes search, cloud computing and online advertising technologies runs on linux. World class highavailability software by alan robertson. Make this writeable, and split the settings into a soft and hard limit. Kaslr causes intermittent boot failures on some systems. Jan 25, 2016 presented by jeff moyer, principal software engineer, red hat abstract this talk will give an overview of the current state of persistent memory support in the linux kernel. Red hat enterprise linux 7 storage administration guide. Delete form from sib file it is possible to delete forms directly from sib file using sil editor. Dec 05, 2016 by jeff moyer december 5, 2016 persistent memory, or pmem, is an exciting new storage technology that combines the durability of storage with the low access latencies and high bandwidth of dram. Provides native async io for the linux kernel, in a fast and efficient.
Aols been working its linux software, codenamed gamera, since may 1999. Sep 09, 2008 jeff elkner teaches high school students in arlington, va. He has applied his talents in numerous and diverse areas, all of which have opened hearts and minds toward the betterment of the human condition. Arch is a very fast moving system regarding updates, so. His solution was to write a new driver that would act as a conduit between the kernel and any available persistent. Facebook, one of the most famous and most widely used social networking service runs on the same platform. Improving linux startup time using software resume and other techniques 17 hiroki kaminaga automated regression hunting 27 a. Jeff elkner teaches high school students in arlington, va. Jeffs linux blog im jeff story, a computer enthusiast who enjoys exploring the inner workings of linux and open source software as a hobby. He is an active contributor in many open source projects and organizations, various program committees and advisory boards. Copy a user iovec if it includes gaps jeff moyer 1429508 1421263 kernel percpurefcount. Redhat enterprise linux rhel is a commercial distribution that is intended to allow for a long life cycle. He spends most of his time optimizing the performance of the block io path. View jeff moyer s profile on linkedin, the worlds largest professional community.
It will have at least 2 years as the main distribution and redhat supports the 2 most major releases currently rhel4 and rhel5 and subreleases thereof. In linux, this functionality is provided by the direct access, or dax, mount option, currently available on the. Jeff moyer has a modified version of pipetest for comparison. Jt smith a technology site, made america onlines linux software available sunday, reports cnets. In linux, this functionality is provided by the direct access, or dax, mount.
One of the first plenary sessions at the 2016 linux storage, filesystem, and memorymanagement. Please also provide the contents of etcsysconfigautofs and the automount. Jeff moyer is a principal software engineer at red hat who has been hacking on linux since 1995. Red hat enterprise linux 6 storage administration guide deploying and configuring singlenode. See the complete profile on linkedin and discover jeffs connections. Principal software engineer the state of persistent memory in linux january 28, 2014, san jose, ca. Hes serious about helping budding computer scientists understand what foss is and what it can do for them, and hes one of those guys who always seems to be sharing his knowledge with others. Presented by jeff moyer, principal software engineer, red hat abstract this talk will give an overview of the current state of persistent memory support in the linux kernel. While the industry transitions to a softwarecentric architecture, a clear definition of sdn remains murky at best. Wordpress security is a topic of huge importance for every website owner. Oct 08, 20 lightweight containers with nspawn lennart poettering, red hat. Persistent memory, or pmem, is an exciting new storage technology that combines the durability of storage with the low access latencies and high bandwidth of dram. See the complete profile on linkedin and discover jeff s connections.
Regarding extras package announcements, stephen j smoogen. Top 10 uses for linux even if your main pc runs windows. In this article, well discuss the types of pmem hardware, a new programming model for pmem. Persistent memory support in red hat enterprise linux jeff moyer, red hat, inc. He pointed out that in 2018, intel had announced memory modes for its optane nonvolatile memory. Those drivers provide useful functionality, such as software raid. Jeff speaks and writes with the authority of one who has lived a successful life, despite multiple and profound personal losses. The ultimate wordpress security guide step by step 2020. Zack brown is a tech journalist at linux journal and linux magazine, and is a former author of the kernel traffic weekly newsletter and the learn plover. Jeff moyer is a senior software engineer at red hat, inc. We also offer enterpriseclass opensource software support. View jeff moyers profile on linkedin, the worlds largest professional community. In his formative years, he worked on high performance cluster computing infrastructure at worcester polytechnic institute.
Storage administration guide deploying and configuring. Jeff moyer discussed the use of netdump and crash for handling linux kernel crash dumps and the analysis of a running kernel. Patch v6 08 enable perfileperdirectory dax operations v6. If you are serious about your website, then you need to pay attention to the wordpress security best practices. Programming with the netpoll api linux kongress 2005 jeff moyer senior software engineer. In this article, well discuss the types of pmem hardware, a new programming model for pmem, and how to get access to pmem through the os. Even if youre a windows or mac user, knowing how to use linux is a valuable skill, and it can run a bunch of awesome things in your homeeven if it isnt your main desktop os. Persistent memory support in red hat enterprise linux. In this guide, we will share all the top wordpress. Lightweight containers with nspawn lennart poettering, red hat.
He currently focuses on the block layer, the asynchronous io and direct io code, and persistent memory support. Jeff moyer has been working on the kernel for the better part of 15 years. Patch rfc 08 enable ext4 support for perfiledirectory. Copy a user iovec if it includes gaps jeff moyer 1429508. View jeff nobles profile on linkedin, the worlds largest professional community. Regarding extras package announcements, kyrre ness sjobak. Download sil solver software free download download sil. David lehman jeff moyer eric sandeen mike snitzer red hat enterprise linux 7 storage administration guide.
Nvm summit 2016 persistent memory in linux part 2 youtube. Memory modes would allow the system to access persistent memory as regular memoryapparently exactly what dave was talking about. Bootsplash and gfxboot june 17, 2004 presented by andy stewart. Patchset 2patch 11 combining epoll and disk file aio. Jeff moyer red hat principal software engineer persistent. Twitter, famous online social networking and microblogging site that is powered by nix.
His perspective can be found in his music, books and npr commentaries. A complete guide to ssds wlug worcester linux users. Ibm linux support can include remotely delivered linux support services. Software defined networking is revolutionizing the networking world.
Used by applications which require network communications when the system. Sil editor provides you the wizard that will allow to generate pseudo translations for your items in order to be able to test the appearance of your applications for different languages with nonenglish letters and umlauts, like french, german, east european and others. The remote oracle linux host is missing one or more security updates. Peace sweet peace jeffs current focus is the publication of musical materials for hospice. Regarding extras package announcements, warren togami. Jeff has been using linux since 1994, and has been hacking on the kernel for red hat since 2003. Api unit is 232 joules, 3 fixed counters, 163840 ms ovfl timer 5. Tridge has written a test harness to try out the samba4 event library modifications to use this. Ive used linux for all my computer related needs since 2008. While at red hat, he has worked on improving the linux automounter, the netpoll api used by netconsole and netdump, the linux inkernel asynchronous and direct io code paths, and the block layer. Highlights include migrating all java application servers from solaris to linux. Ibm technology support services for linux products. Presentation title goes here jeff moyer red hat principal. Red hat enterprise linux 6 storage administration guide deploying and configuring singlenode storage in red hat.
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