Job Description:
Responsible for the group's business Log white screen products, for the business side view logs require SSH black screen to view the provision of solutions.
Customize the infrastructure for container scheduling to address
table DSi--DSI in the library tableDSO in library table DSOALLOCATE DATA on DBSPACE1 SIZE 280K;--The index of the product number in the library tableCREATE DSO Product number IXDSO--Index of DSOINDEX on STOCKS. In the library table (product code)TYPE BTREE (PAGESIZE1 (+), PAGESIZE2 (1), realignment) by ADDRESS;CREATE DSI Product number IXDSI--Index DSiINDEXDSO Product ID IXDSOALLOCATE BASE on DBSPACE1 SIZE 200K,INDEX on DBSPACE1 SIZE 40K;--storage wa
event from the relay logSo the inference is that SQL thread is slowWhy only slave2,3 slow, and slave1 can keep up with it, began to suspect is the difference in parameter configuration, compared to the/etc/my.cnf found after the configuration no differenceTherefore ruled out this reason, and later with Dstat observation, found busy time, slave io write speed does not goSLAVE1:$ dstat----total-cpu-usage-----dsk/total--net/total----paging-----system--USR sys IDL Wai hiq siq| Read writ| Recv send|
Content based on LMT management of the table space, the dictionary management has not been used.
This article mainly validates these questions:
1.LMT managed tablespace, there are two ways to allocate the area:
System allocation and uniform fixed size--> See experiment
2. Verify Oracle's search for available areas:
Obtain the available area information from the bitmap block at the beginning of the data file, which is visible in the dump First:3 this indicates that 3 extents have been used.
the image advertisement which displays the photograph effect.5, 234*60, this specification applies to the frame or the left and right form of the homepage of the advertising link.6, 392*72, mainly used for more picture display of the banner, for the header or footer.7, 468*60, the most widely used advertising bar size, for the header or footer.8, 88*31, mainly used for web links, or website small logo.
form of advertisement
Pixel size
Maximum size
Note
/writeRegular file write and socket are similar, there is no bright spot, we focus on file read.As to the importance of bufsize size in IO operations, as described above, I remember that Mr. Steven in APUE also has special test results, which we will not repeat here.In FS. When Readstream, we can pass in some parameters:{ ' R ', null, null , 0666, * 1024x768}The default bufsize is 64K, but in lib/fs.js there is also a poolsize control variable:var kpoolsize = 40 * 1024;When node finally act
)215*50 (GIF must be used)
7K7K
Banner
760*100430*50
25K15K
Static pictures or reduced motion effects
Super Banner
760*100 to 760*200
Total 40K
Static pictures or reduced motion effects
Huge AD
336*280585*120
35K
Vertical side AD
130*300
25K
Full Screen Advertising
800*600
40K
M
static page contains no more than 60K of picture bytes, full size banner no more than 14K
Standard Web Advertising size specifications
120*120, this kind of advertisement specification is suitable for product or news photo display.
Second, 120*60, this advertising specification is mainly used to do logo use.
Third, 120*90, mainly used in product demonstrations or large logo.
Four, 125*125, this kind of specification is suitable for the image advertisement which the performance photograph effec
/*Name:sndkit.cCopyright:gplv2Author:rockins (ybc2084@163.com)date:15-10-06 18:22Description:implent Raw Sound Record/play
Run:./sndkit [H] [D-Device] [-C channel] [-B-bits] [f-Hz] [-L-len] e.g.:./sndkit-h Show Help information./sndkit-r record.wav record audio from microphone (/DEV/DSP)./sndkit-d/dev/dsp-p record.wav Playback record.wav VIA/DEV/DSP./sndkit-b 8-f 22-r reacord.wav record audio in 8 bit 22k Hz./sndkit-d/dev/dsp-c 2-r record.wav record audio IN/DEV/DSP and stereo/sndkit-r-L record
humidity from the site.
-storage location requires real-time reporting of secure environment and accident and service-related issues. -as the volume of data increases significantly, the scalability of the storage and power protection solutions becomes as critical as any other factor.
-APC has solutions that can be customized to adequately store and protect your valuable data and improve availability.
What kind of APC solution should you choose as a storage solution?
Distributed and regional
static page with picture bytes not more than 60K, full-size banner not more than 14K
Standard page AD Size specifications
First, 120*120, this advertisement specification applies to the product or the news photo display.
Second, 120*60, this advertising specification is mainly used for logo use.
Third, 120*90, mainly used in product demonstrations or large-scale logo.
Four, 125*125, this specification is suitable for the image advertisement which displays the photograph effect.
V, 234*60, this
mainly used for logo use.Third, 120*90, mainly used in product demonstrations or large-scale logo.Four, 125*125, this specification is suitable for the image advertisement which displays the photograph effect.V, 234*60, this specification applies to the frame or the left and right form of the homepage of the advertising link.Six, 392*72, mainly used for more picture display of the banner, for the header or footer.Seven, 468*60, the most widely used banner size for headers or footers.Eight, 88*3
process is to extract the frequency value of a point, it is clear that in one second the more points extracted, get more frequency information more abundant, in order to restore the waveform, a vibration, must have 2 points of sampling, the human ear can feel the highest frequency of 20kHz, so to meet the hearing requirements of human ears, It takes at least 40k samples per second, expressed in 40kHz, and this 40kHz is the sample rate. Our common CD
corresponds to the level axis. The wave is infinitely smooth, the string can be regarded as a myriad of points, because the storage space is relatively limited, the digital encoding process, the point of the string must be sampled. The sampling process is to extract the frequency value of a point, it is clear that in one second the more points extracted, get more frequency information more abundant, in order to restore the waveform, a vibration, must have 2 points of sampling, the human ear can
used advertising bar size, for headers or footers.Eight, 88*31, mainly for web links, or small website logo.Advertising format pixel size maximum size remarkBUTTON 120*60 (must be in GIF) 7K215*50 (must be in GIF) 7KBanner 760*100 25K static pictures or reduce motion effects430*50 15KSuper Banner 760*100 to 760*200 a total of 40K static pictures or reduced motion effectsHuge AD 336*280 35K585*120Vertical Edge AD 130*300 25KFull screen ad 800*600
static page contains no more than 60K of picture bytes, full size banner no more than 14K
Standard Web Advertising size specifications
120*120, this kind of advertisement specification is suitable for product or news photo display.Second, 120*60, this advertising specification is mainly used to do logo use.Third, 120*90, mainly used in product demonstrations or large logo.Four, 125*125, this kind of specification is suitable for the image advertisement which the performance photograph effect.
used advertising bar size, for headers or footers.Eight, 88*31, mainly for web links, or small website logo.Advertising format pixel size maximum size remarkBUTTON 120*60 (must be in GIF) 7K215*50 (must be in GIF) 7KBanner 760*100 25K static pictures or reduce motion effects430*50 15KSuper Banner 760*100 to 760*200 a total of 40K static pictures or reduced motion effectsHuge AD 336*280 35K585*120Vertical Edge AD 130*300 25KFull screen ad 800*600
calls B=malloc (40K) after the memory space 3. situation Two, malloc memory greater than 128k, allocate memory using MMAP, and find a free memory allocation between the heap and the stack (corresponding to independent memory and initialized to 0), such as: 4 , process call C=malloc (200K), Memory space 4: By default, themalloc function allocates memory, and if the request memory is greater than 128K (which can be adjusted by the M_mmap_threshold opt
various libraries and so shared modules that we use. You can use the PMAP directive to view detailed LIB libraries and used memory values for each process call. Take the simplest bash process here for example.
[Root@91it ~]# pmap ' pgrep bash '1464:-bash0000000000400000 848K r-x--/bin/bash00000000006d3000 40K RW---/bin/bash00000000006dd000 20K rw---[anon]00000000008dc000 36K RW---/bin/bash00000000011a4000 396K rw---[anon]0000003ef9800000 128K r-x--/
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