4k xfinity

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GTX 1070 Contrast GTX 970 difference how much

:   "Dust Rally", ultra quality 1080P--GTX 970:97.3; GTX 1070:134.7 1440P--GTX 970:65.4; GTX 1070:97.4 4K--GTX 970:34.44; GTX 1070:52.5   "Middle-earth: Shadow Mordor", Ultra Quality 1080P--GTX 970:85.4; GTX 1070:131.3 1440P--GTX 970:55.85; GTX 1070:89.8 4K--GTX 970:37.7; GTX 1070:46.7   "Killer", Max. 1080P--GTX 970:59; GTX 1070:81.7 1440P--GTX 970:45.4; GTX 1

The Topas command in Oracle is detailed

second through the read system during monitoring; Writech: The number of bytes written per second by the write system during the monitoring period; Rawin: The number of raw bytes read by TTYs per second during monitoring; Ttyout: The number of bytes written to TTYs per second during monitoring; Igets: The number of calls per second to the node to find routines during the monitoring process; Namei: The number of calls per second of the path lookup routine during the monitoring period; DIRB

"Nginx" Some optimizations about Nginx (breakthrough 100,000 concurrency)

Optimizations in Nginx commands (configuration files) Worker_processes 8; Nginx process number, it is recommended to follow the number of CPUs specified, usually a multiple of it. Worker_cpu_affinity 00000001 00000010 00000100 00001000 00010000 00100000 01000000 10000000; Allocate CPUs for each process, in the example above, allocate 8 processes to 8 CPUs, or you can write more than one, or assign a process to multiple CPUs. Worker_rlimit_nofile 102400; This instruction refers to the maximum

Samsung Ativ Q Evaluation

course, when viewing images or viewing 4K video at native resolution, the Samsung Ativ Q screen brings a very fine view, but you have to switch the resolution often to get a better daily experience. Samsung should focus more on the scaling capabilities of the application and interface interfaces to accommodate such high screen resolutions. Processor and performance Samsung Ativ Q is powered by Intel's fourth generation dual core I5-4200U processor

List of BlackBerry supported NFC card

In the official documentation, the list of NFC card supported by BlackBerry is as follows: Type 1 Topaz 96 Topaz 512 Type 2 Mifare Ultra Light (can be initialized with BlackBerry) mifare Ultra Light C (1536 bit) Infineon my-d Move Infineon my-d NFC Type 3 FeliCa rc-s965 Type 4 MiFare desfire EV1 (2K Bytes, 4K Bytes, 8K Bytes) (need to be initialized, can Nfctools-radiowar LiveCD inside have + NFC reader, successively execute command MiFare -desfire-fo

LEVELDB reading notes (1) Memory allocation

Tags: convenience dispenser EAL Blog CAS member variable current return size_tMemory management is an important piece for any program, and LEVELDB itself implements a simple memory allocator, rather than using some other open source software Tcmalloc to avoid reliance on other software. What are the benefits of implementing a memory allocator yourself? I think the main points are as follows: 1. The primary role of the memory pool is to reduce the number of calls, such as new, delete, and so on,

Android's Logcat message has a character-length limit that will be truncated directly

When I want to output enough debugging information in Logcat today, we find that the information returned from Logcat is obviously less in the following section.Feel a bit strange, thought is the code problem, looked for a bit, found not;So guge. The original logcat on the implementation of the memory allocation for the message is about 4k. So the content is discarded directly;Not output;Also found that logcat for "\ n" line break automatically as a s

Pressure Test PHP-FPM optimization

, so it is best to be consistent with the value of ulimit-n.Use Epoll;Using the Epoll I/O model, this goes without saying.Worker_connections 102400;The maximum number of connections allowed per process is theoretically worker_processes*worker_connections per nginx server.Keepalive_timeout 60;KeepAlive time-out period.Client_header_buffer_size 4k;Client request the buffer size of the head, this can be set according to your system paging size, generally

How to shoot mixed Reality (mixed reality) videos via HTC Vive

.) Green screen Environment2.) Camera/photographic machine (recommended parameter: 1080P/60FPS)3.) 4K screen: In order to synthesize 1080p movie, the screen needs to be able to put down multiple 1080p windows (recommended parameter: 4k/60hz)4.) HDMI splitter5.) HTC Vive a group6.) Third HTC Vive handle (Buy site: https://www.htcvive.com/cn/accessory/controller/)7.) VR ready PC (Recommended parameters: Opera

First contact with Nginx

process. According to the hardware adjustment, and the previous work process together with, as large as possible, but do not run the CPU to 100% on the line. The maximum number of connections allowed per process, theoretically worker_processes*worker_connections per nginx serverKeepalive_timeout 60;KeepAlive time-out period.Client_header_buffer_size 4k;The buffer size of the client request header. This can be set according to your system paging size,

Nginx optimization in detail to handle high concurrency

 Optimizations in Nginx commands (configuration files) Worker_processes 8; Nginx process number, it is recommended to follow the number of CPUs specified, usually a multiple of it. Worker_cpu_affinity 00000001 00000010 00000100 00001000 00010000 00100000 01000000 10000000; Allocate CPUs for each process, in the example above, allocate 8 processes to 8 CPUs, or you can write more than one, or assign a process to multiple CPUs. Worker_rlimit_nofile 102400; This instruction refers to the maximu

Shell Basics Exercises Explained

?Save the directory, the attribute information of the file, including the owner, the group and three time, but also the specific block on the disk14. You find that there are two reasons for insufficient disk space, either disk space is insufficient, or the inode is fullDu-h Viewing spaceDu-i View Inode15.fdisk-l/DEV/SDA list Disk All partitions * represents boot partition16.blkid viewing UUIDMount uuid= "Copy and paste"/mnt/using the UUID mount19. How to automatically mount your CDROM boot to th

Brother Bird's Linux private Cuisine Basics Study Book notes (9): Linux disk and File System Management (2)

quota is not used, the capacity that the/etc directory can use is the capacity of the file system where the directory resides. Well, if I was going to look at the file system capacity already occupied by the/etc directory, you have to use the Du command, which is used primarily to view the capacity of the directory. Unlike the DF command,thedu command goes directly to the file system to view all the file system data, so the execution time may be longer. About the du command or a little more, ma

On the analysis method of Linux kernel

mode is as following. 6. Since the paging mechanism can only be started in protected mode and cannot be started in real mode, the first step is necessary, and since the GDT and IDT are built on the logical address (linear address) in 386 protected mode, the third step is also necessary;7. After the initial in real mode and protected mode, the main system data is distributed as follows:Initial post-primary system data distribution table Position System data

The number of name and maximum capacity limit of each browser cookie is measured

Each browser cookie per name=value value of about 4k; So 4k is not a domain name all the cookies shared, but a name of the size, the following is the specific test code, interested friends can refer to ha Test code Copy Code code as follows: for (var II = 0; iiif (!window.ia) window.ia=0; window.ia++; var s = ' a ' +window.ia+ ' = '; for (var i = 0; i s+= '; '; alert (s.length); Document.cookie = s; } Test

SSD solid-State hard drive How to optimize the use of solid-state hard drives more slowly how to do?

theory we here but more discussion, we understand. Turn on motherboard AHCI mode 3, SSD solid State Drive optimization do not open the motherboard energy-saving mode Today's SSD solid-state drives are very high speed, 4K QD1 at random can be thousands of. In the high load running Division software (as SSD Benchmark, Crystal Disk mark, etc.) to test the ultimate speed of SSD, when the performance of 10% weakened, the result is naturally

Nginx optimization detail, deal with high concurrency

time. Client_header_buffer_size 4k; Client requests the size of the head buffer, this can be based on your system paging size to set, the general one requested head size will not exceed 1k, but because the general system paging is greater than 1k, so this is set to paging size. The paging size can be obtained using the command getconf pagesize. Open_file_cache max=102400 inactive=20s; This will specify caching for open files, which are not enabled

Imaging Resource Awards 2015 Annual Camera Award

Best midrange DSLR camera: Nikon D5500 Nikon D5500, though smaller and cheaper than the average midrange camera, offers good quality performance, high ISO performance and battery life, plus excellent ergonomic design and touch-screen capabilities to make it one of the most popular cameras. Mid-End DSLR Excellence Award: Canon t6s Canon Rebel product line is regarded as an entry-level product for a long time and is known for its high quality and ease of use. However, the new Canon Rebel T6s se

Linux file Attribute description (Inode,block)

parameters, the first one is the inode is full, the second block is fullA feature of disk full (no space on device left)Summary of the Inode:1. A certain number of inode and block are generated when the disk is formatted as a EXT4 file system by partitioning2.inode is called an index node, which is used to store the file's attribute information and the index of the file (the entity that points to the file)The block of the 3.ext3/ext4 file system holds the actual contents of the file4.inode is a

Linux Essentials Lite

informationAdd the following three lines of information to the file to indicate the terminal number, time,host name;TTY is \lTime is \ thostname is \ n(4) CP MOTD/ETC/MOTD:copying files from a file note MOTD to/ETC/MOTD to overwrite the file can make the loginchanges to the prompt information(5) Echo '---'/sys/class/scsi_host/host2/scan:disk Scan When a disk is not found(6) rpm-i/run/media/root/centos\ 7\ x86_64/packages/screen-4.1.0-0.23.20120314git3c2946.el7_2.x86_64.rpm:package for installin

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