machine file is 5 GB by default. I just resized the disk to 10 Gb, and 5 GB is still partitioned.2) The existing 5G is divided into three zones, except one of which is an extended partition (which is used to mount other logical partitions ), there are also two partitions. One is a LINUX partition and the other is a Linux swap (SWAP partition)
2) view the disk usage and mounting status of the existing Partition
Root @ Ubuntu:/home/Nemo # DF-H
Filesystem size used avail use % mounted on
/Dev/sda
each test case by the commands stroke and showpage.
You may display such drawings with the GV postscript interpreter, optionally after a conversion using the ps2ps utility.
Sample inputv AVV
Sample output300 420 moveTo 310 420 lineto 310 430 lineto stroke showpage 300 420 moveTo 310 420 lineto 310 410 lineto 320 410 lineto 320 420 lineto stroke showpage
Sourceuniversity of Ulm Local con
(request timeout)
The server timed out while waiting for the request.
409 (conflict)
A conflict occurs when the server completes the request. The server must contain information about conflicts in the response. The server may return this code when responding to a put request that conflicts with the previous request, and provides a list of differences between the two requests.
410 (Deleted)
If the requested resourc
Common HTTP Status Codes
200 OK
301 moved permanently
302 found
304 not modified
307 temporary redirect
400 bad request
401 unauthorized
403 Forbidden
404 not found
410 gone
500 Internal Server Error
501 not implemented
100 continue
The initial request has been accepted, and the customer should continue to send the remaining part of the request 101 switching protocols
The server converts a client-compliant request to another protocol 200
factor, I will perform some copy operations before each copy to make it as full as possible ), the transmission rate is about 410 Mb/s.
650) This. width = 650; "Title =" Subtitle png" style = "float: none;" alt = "wkiol1phpucs846iaarzc2vrjmo478.jpg" src = "http://s3.51cto.com/wyfs02/M02/3E/BB/wKioL1PHpUCS846IAARzc2vRjMo478.jpg"/>The vm cpu is pressurized during transmission. Observe the performance monitor results that the Minimum CPU load is less th
rankings: A correctly set 404 page should not only be correctly displayed, but also be able to correctly return the "404" error code instead of "200" or "302 ". Although there is no difference between the HTTP status code "404" and "200" for the accessed users, this is very important for search engines.Why? Let's review the process of indexing and indexing web pages by a search engine: the search engine spider sends a request to the website server to read a webpage, after receiving the request,
HTTP Error Code Description:"100": continue"101": witching protocols"200": OK"201": created Quot; 202 quot;: accepted"203": Non-authoritative information"204": NO content"205": reset content"206": Partial content Quot; 300 quot;: Multiple Choices"301": moved permanently"302": Found"303": see other Quot; 304 quot;: not modified"305": use proxy"307": Temporary redirect"400": Bad request"401": unauthorized"402": payment required"403": forbidden"404": not found"405": method not allowed"406": Not
Number
Description
100
Continue
101
Switching protocols
200
OK
201
Created
202
Accepted
203
Non-authoritative information
204
NO content
205
Reset content
206
Partial content
300
Multiple Choices
301
Moved permanently
302
Found
303
See other
304
Not modified
305
Use proxy
307
Temporary redirect
waiting time permitted by the server. The customer can repeat the same request later.
409 conflict is usually related to put requests. The request cannot be successful because the request conflicts with the current status of the resource.
410 the document requested by gone is no longer available, and the server does not know which address to redirect. It differs from 404 in that if 407 is returned, the document permanently leaves the specified positi
-linux-gnu/libgcc_s.so.1 (0x00007f7e6bcba000)
Libc. so.6 =>/lib/x86_64-linux-gnu/libc. so.6 (0x00007f7e6b925000)
/Lib64/ld-linux-x86-64.so.2 (0x00007f7e6c483000)
Then execute each program separately. The time used for statistics is as follows:
Time./jemalloc_test Hello World
Real 0m9. 927 s User 0m9. 650 S
Sys 0m0. 250 s
Time./tcmalloc_test Hello World
Real 0m9. 836 s User 0m9. 410 s
Sys 0m0. 410 s
Time./pt
4.01.00 Beta 1, Jun 1 2012
Important Notes (changes that may break existing code)========================================================== ====================* Updated transport stream format to 410, to support transferVariant Unicode strings as widestringsInstead of converting to ansistring on environments not supportingString as Unicode (but do support widestring ).The transport is backwards compatible. Ie .. newer server supportsOlder clients.If
page.407 proxy authentication requiredProxy authentication is required.408 reqeust timeoutThe client does not submit any requests within the waiting time of the server.
409 conflict
410 gone
411 length requiredThe server rejects the request if the Content-Length field is not defined.
412 precondition failedPrecondition failed.413 Request Entity too largeThe server rejects the request because the request data exceeds the scope that the server can proc
case, let's analyze and see what will happen:
The premise of analysis is that the number of user requests must be greater than the number of processes on the shared server. Otherwise, the performance of the shared connection is lower than that of the dedicated connection.
If the number of user requests is greater than the number of Shared Server Processes, it must be in the queue. If a Shared Server process is currently executing a long transaction, the request queue will always wait, until the
customer only when multiple IP addresses are used on the server.
Error code: 404b
The 404b error occurs because the file cannot be found. It is usually because the webpage being searched may have been deleted, renamed, or temporarily unavailable.
Error code: 405
405 error: the webpage address is incorrect because the resource is forbidden. Therefore, the webpage to be searched cannot be displayed.
Error code: 406
406 error is caused by the failure of the browser to open the resource
mark 0, delete 0Discarded operations:Insert 0, delete mark 0, delete 0Hash table size 2365241, node heap has 0 buffer (s)0.00 hash searches/s, 0.00 non-hash searches/s---LOG---Log sequence number 14149940429Logflushed up to 14149940429Pages flushed up to 14149940429Last checkpoint at 14149940429# The three values are the same----------------------BUFFER POOL AND MEMORY----------------------Total memory allocated 1098907648; in additional pool allocated 0Dictionary memory allocated 59957Buffer p
ZIP compression-M do not create a project list file-I generate index information for the specified jar file-C change to the specified directory and contain the files if there is any directory file, then it is recursively processed. The order of configuration file name, archive file name, and entry name is the same as that of m, f, and e.
Jar cvf classes. jar Foo. class Bar. class
Jar cvfm classes. jar mymanifest-C foo /.
Executable Jar FileType lm. jar package.
C:\>jar cf lm.jar Lm.class Lm.jav
representation of the URL
To distinguish between the colon in the IPV6 address and the colon Before the port number, you must enclose the IPV6 address in [].
Mask representation in IPV6:
In IPV6, the mask can only use CIDR notation.
2001: 410: 0: 1: 45ff/128
2001: 410: 1/64
Note: There are no broadcast addresses and reserved network numbers in IPV6.
Bytes ---------------------------------------------
Overview of various IPv6 knowledge points * Introduction of IPv6-IPv4 has been running well and stably-Is IPv4 perfect? -- Next-generation Internet Protocol --- IPv6 -- the biggest feature is that the address length increases from 32 bits to 128 bits * IPv6 features -- IPv4 deficiency * The biggest problem is that available addresses are increasingly lacking * for terminals for users, configuration is not simple enough * lack of security and QoS support-advantages of IPv6 * almost unlimited addr
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