I encountered this problem in 98 years! Windows 95 adopts the 1024 calculation method, while university textbooks are also the 1024 calculation method! When I bought a computer in 98 years, I found that the hard disk capacity was not the same as the system's statistical capacity! Only then do you know that the hard drive vendor uses the 1000 calculation method! At the beginning, I didn't want to reduce the capacity!
Now I have changed my computer and 80 GB hard drive. WIN2K is a 76G hard drive
before. This greatly reduces# the amount of thread creations needed if you have a lot of new# connections. (Normally this doesn't give a notable performance# improvement if you have a good thread implementation.)thread_cache_size=8#*** MyISAM Specific options# The maximum size of the temporary file MySQL is allowed to use while# recreating the index (during REPAIR, ALTER TABLE or LOAD DATA INFILE.# If the file-size would be bigger than this, the index will be created# through the key cache (wh
of tofu, 100g of minced meat, 30g of wet starch, 250g of Mao Tang, and 100g of lardSeasoning:5 GB of onion, ginger, cooking wine, and pepper noodles, 15 GB of soy sauce and chili oil, 25 GB of chili flour and bean paste, and a moderate amount of msgPractice:1. Cut the tofu into 2cm cubes and boil it with boiling water.2. Stir-fry the spoon to heat up, lower the lard, stir-fry the minced meat into dry water
Basic Linux disk partitioning tutorial
Introduction
Linux disk partitions are divided into physical partitions and logical partitions. physical partitions are directly partitioned on a specified physical disk, which is convenient but weak in expansion; on the contrary, the logic can be combined into a large Logical Disk by multiple physical disks sharing a few pieces of space, and then partitioned. This operation is troublesome but highly scalable. In Linux, everything is a file, and users can a
How PHP implements oversized file uploads
Title, how can PHP achieve super-large file upload? File has 1G
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Upload upload of large files need to upload the client has multi-channel transmission and the ability to continue the breakpoint, you first resolved the client to say
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Reference:
is there a special control? It's best to bring a progress bar
.
There is a Web file upload on the Internet very large breakp
1. Preface
According to our current requirements, we have not enough disk space for the previously planned GB. Here we will demonstrate the resizing of The XFS file system. Because I am using KVM, we will also demonstrate the KVM resizing method.2. KVM disk resizing
Before resizing, you must back up the data or take snapshots to avoid data corruption.
[[Email protected] img] # qemu-IMG info c7_data_g2.raw #
The modification is complete. You need to restart the KVM virtual machine to take effect
software requirements to make detailed provisions. This time we want to compile the source code is the Android 4.4.x version, according to the information in the official website, we want to use 64-bit Ubuntu to compile, and at least 100G of disk space; On the software side, because we compiled the 4.4.x (Kitkat) version of the source code, we need the JDK 1.6, in addition, official guide has some other requirements: Python2.6--2.7,gnu make 3.81--3.8
dynamic resources available Binding if a PVC set a certain storage and access modes, and there is a corresponding PV, then the dynamic provision of resources. A control loop on master is always looking for a monitor PVC and then finds a PV to match. If a matching volume is not present, the PVC remains unbound, and the PVC is generally bound to the available matching volume. If the cluster provides a 50g PV, then the request 100g PVC will not match,
Today I learned the Linux file system, and now I want to make a small summary.First, everything in Linux is a file, and the following list is the top-level directory structure of the Linux system.Listing 1. Top-level directory structure for Linux systems/root directory ├──bin store user binaries ├──boot store kernel boot profile ├──dev store device files ├──etc Storage System configuration file ├──home Home directory ├──lib dynamic shared library ├──lost+found file system Recovery file ├──media
solve this problem, you only need to use the following command when you create the VG: Vgcreate–s 1M woonvg/dev/sd[b-d]4, resizing partition size 4.1, extended partition expands woon_lv1 to 50g[[emailprotected] woon_lv1]# lvextend-l 50g/dev/woonvg/woon_lv1size of Logical Volume WOONVG/WOON_LV1 changed from 40.00 GiB (10240 extent s) to 50.00 GiB (12800 extents). logical Volume WOON_LV1 successfully resized the partition is now extended to 50G, but the kernel is not aware, so be notified of the
Virtual machine object--name clone of the new virtual machine name3, add disk general virtual machine disk structure for the system disk plus data disk, when the system fails, you can re-build a system disk, and data disk will not be lost. To add a disk operation:cd/var/lib/libvirt/images/into disk storage directory Qemu-img create-f Raw test_add.img 100G Create a 100G disk Virsh attach-disk tomcat_01/v
Laboratory Equipment:Virtual two Redhat Linux 6.3-64bit system with virtual machine, and configure YumIP settings:SCSI Service side: 10.1.1.222SCSI client (Mount side): 10.1.1.1Experiment begins:1, install the software on the server and configure the shared disk, first in the virtual machine to add a new hard disk, the size is arbitrary. (Add 100G here)[[emailprotected]~]#fdisk-ldisk/dev/sda:21.5gb,21474836480 bytes255heads,63sectors/track,2610cylinde
Because the Elk server is built to allocate only 100G of disk space to the system. Later, because a large number of server logs need to be stored, only the Linux system disk space can be extended. The prerequisite is that Exsi has enough free disk space. Otherwise, the operation cannot be performed.1. Open the virtual machine's à edit the settings. Expands the disk size. I used to be 100G now to 1.1T650) t
Environment:Virtual machine OS is Windows 2008VSphere Version Information:The original system C disk is too small, almost full, need to expand.Steps:To be safe, first clone a virtual machine to a copy.Original size:Plus 100GStart the system and check the file system status after entering the system:You can see that the newly added 100G space is in the unallocated column:The system partition is followed by a partition, the expansion of the Welcome butt
OriginalFirst, the purposeWhen using the CentOS6.3 version of the Linux system, found that the root directory (/) is not enough space, and other directory space is very free, so this article is mainly for the existing space to adjust. First, let's look at the spatial distribution of the system:
[Email protected]/]# df-h
Filesystem Size used Avail use% mounted on
/dev/mapper/vg_centos-lv_root
50G 14G 34G 30%/
Tmpfs 1.9G 0 1.9G 0%/dev/shm
/DEV/SDA1 485M 37M 423M 8%/boot
/dev/mapper
A sparse file is a file in which most of the contents of a file are empty characters.The 100G disk file created by the virtual machine is, but the system does not immediately partition the space of 100G, but only to identify the virtual hard disk files are sparse files, until the data storage, then allocate space, which can greatly save disk utilization.When a sparse file is Cp/scp/split/cat, it becomes a n
http://kashyapc.com/2014/01/27/virt-builder-to-trivially-create-various-linux-distribution-guest-images/I frequently use, part of the Libguestfs-tools package, as part of virt-builder my work flow. Rich has extensively documented it, still I felt it's worth pointing out again of its sheer simplicity.For instance, if you need to create a Fedora guest of size 100G, and of qcow2 format, it's as trivial as (no need for R Oot login):virt-builder fedora-20
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