In distributedAlgorithmA very important algorithm in the field is paxos. How important is it, as mentioned in Google's chubby [1 ].
All working protocols for asynchronous consensus we have so far encountered have paxos at their core.
More details about paxos algorithms are provided in Wikipedia. The Chinese version introduces the choose value rule [2]. The English version introduces the paxos 3 phase commit process [3]. the Chinese versi
Author: Liu Xuhui Raymond reprinted. Please indicate the source
Email: colorant at 163.com
Blog: http://blog.csdn.net/colorant/
More paper Reading Note http://blog.csdn.net/colorant/article/details/8256145
Keywords
Paxos, implementation, reliability, performance, chubby
=Target question =
Build a reliable Fault-Tolerant database system based on the paxos mechanism. There are many gaps between paxos theory and actual implementation. How can we solv
each tablet within a certain range. There is a master machine throughout the system that dynamically adjusts the distribution of the tablet on each machine based on factors such as the size of the tablet, the load, and the load capacity of the machine.The master server has the metadata table for the tablet's attribution . When the amount of data is very large, the metadata table will actually become very large, so the attribution table is actually cut into a separate tablet on the tablet server
B. Desert trip
Time limit:1000 ms
Case time limit:1000 ms
Memory limit:65536kb64-bit integer Io format: % LLD Java class name: mainsubmit status PID: 29376 font size:
+
-
"Chubby is going to go through a desert, while Chubby is driving a huge jeep, which features high fuel consumption and four barrels of oil ."
This is the desert song that everyone can sing ~~ It reflects the intelligence and wisdom of smal
Difficult series (4) -- Test groom
Time Limit: 2000/1000 MS (Java/others) memory limit: 65536/32768 K (Java/Others)Total submission (s): 16757 accepted submission (s): 6248Problem description during the National Day, the provincial capital Hz just held a grand collective wedding. in order to enrich the wedding, the SI Yi temporarily came up with an interesting program, the specific operation is as follows:
First, dress almost identical to each bride
Topic link Problem Description National day period, the provincial capital Hz just held a grand collective wedding, in order to make the wedding to enrich some, the MC temporarily came up with an interesting program, called "Test Groom", the specific operation is this:First, dress each bride almost exactly the same, and cover the big red hijab randomly sit in a row;Then, let the groom look for their bride.
each link)4,blok the rest of the mouthRoot Bridge election:Based on bridge ID (preferably small)
Bride Priority 2byte
MAC Address 5byte
Cisco Bridge ID
Bridge Priority 4bit Range 0-15 default =8
Extend SystemID 12bit differentiate VLAN
48bit MAC
The above structure priority is variable but the VLAN number can not be changed, so the whole is increased by 4,096 times times 2~12=4096,
Not easy series of (4)--Test Groom Time limit:2000/1000ms (java/other) Memory limit:65536/32768k (Java/other) total submission (s): 6 Ac cepted Submission (s): 3Problem description During the National day, the provincial capital Hz just held a grand collective wedding, in order to make the wedding to enrich some, the MC temporarily came up with an interesting program, called "Test Groom", the specific operation is such :First, dress each bride almost
Not easy series of (4)--Test groomTime limit:2000/1000 MS (java/others) Memory limit:65536/32768 K (java/others)Total submission (s): 25588 Accepted Submission (s): 9358Problem Description National Day, the provincial capital Hz just held a grand collective wedding, in order to make the wedding to enrich some, MC temporarily came up with an interesting program, called "Test Groom", the specific operation is this:First, dress each bride almost exactl
The main topic: There are N-1 couples to a wedding reception, all sitting on a long table to the left or right, the groom and the bride to sit on the side of the table. Because the bride's headdress was complex, she could not see the person sitting on the same side of the table with her, but only the person at the opposite table. Any couple could not sit on the same side of the table, and M had a quarrel with the man, and the
The method is as follows. Full misplacement Difficult series (4) -- Test groom Time Limit: 2000/1000 MS (Java/others) memory limit: 65536/32768 K (Java/Others)Total submission (s): 21347 accepted submission (s): 7857 Problem description during the National Day, the provincial capital Hz just held a grand collective wedding. in order to enrich the wedding, the SI Yi temporarily came up with an interesting program, the specific operation is as follows:First, dress almost identical to each
was good. gf had no glasses and couldn't see it in the back row. So he "Moved" gf, select to sit in the front row.Avoidance strategy: The movie looks good. After the meeting, he and gf looked forward to a bright future and talked about how to set up a hotel at the wedding ceremony. He wanted Shangri-La and gf to spend a lot of time in May... In the end, he said, "dear, it's still a long way to go. Can you come and talk about it?Cooperation Strategy ?" As soon as he heard it, he had a chance: "W
Title Link: http://acm.hdu.edu.cn/showproblem.php?pid=2049Problem Description National Day, the provincial capital Hz just held a grand collective wedding, in order to make the wedding to enrich some, MC temporarily came up with an interesting program, called "Test Groom", the specific operation is this:First, dress each bride almost exactly the same, and cover the big red hijab randomly sit in a row;Then, let the groom look for their
DescriptionDuring the national day, the provincial capital Hz just held a grand collective wedding, in order to make the wedding to enrich some, the MC temporarily came up with an interesting program, called "Test Groom", the specific operation is this:First, dress each bride almost exactly the same, and cover the big red hijab randomly sit in a row; Then, let the groom look for their bride. Each person is
it for a long time, as a result, we have no doubt about the old principles and methods after upgrading to a gigabit network. We think that these can also be used in new technologies. Sometimes what makes us wrong is our experience. When we welcome the new world, we also need to review ourselves. If the groom thinks that the bride is a woman and does not have any expectation or impulse to build up the head of the
Each bride is dressed almost exactly like each other and sat in a row with a big red cover. Then, let the groom look for his/her bride. each person can only find one, and many people are not allowed to find one. finally, uncover the cover. If you find the wrong object, you have to kneel in front of the public... suppose there are N newly-married couples, and M of them are looking for the wrong
1. tom Hanks 2. e-Love Letter "You 've ve got mail" starring Tom Hanks Meg Ryan megharean 3 Family Man "The Family Man" starring Nicolas Cage Nikos cage Tea Leoni tirioni 4 princess diary I. II. "The Princess Diaries I II" Starring: Julie Andrews Anne hatthaway Anne hadway 5 the bride who escaped "The Runaway Bride" Starring: juliet Robert ts julirobes Richard Gere Richard kil6 new father-in-law "Father of
When N numbered elements are placed in N numbered positions, the number of methods that do not correspond to each element number is represented by M (N), then M (n-1) it indicates that n-1 number elements are placed at N-1 numbers, and the number of methods does not correspond to each other, and so on. step 1: place the nth element in a single position, such as position K. There are n-1 methods in total. Step 2: place the element numbered K, in this case, there are two situations: (1) place it i
This tutorial teaches the script House to bring the beautiful makeup and floral effect photo tutorial for the beauty, the tutorial adjusts the picture color to be very beautiful, the color matching difficulty is medium. Recommend and triple friends to share the study, let's take a look at the final effect chart:
Original
Final effect
The specific steps to repair the map are as follows:
1, contrast and original film analysis:
Original piece analysis: The picture color
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.