rackspace sla

), not dynamic, easy to cache dashboard is similar to Twitter time Axis, users can see real-time updates for all users they care about. Unlike blogs, caching does not work as much, because each request is different, especially active followers. and need real-time and consistent, the article only update 50GB daily, thread update 2.7TB every day, all the multimedia data are stored on S3. Most users browse more than 500 million pages per day with Tumblr as a content-browsing tool, and 70% of th

system on-line approval process, the steps are as follows:650) this.width=650; "src=" http://s5.51cto.com/wyfs02/M01/89/DF/wKiom1ggFejT93A_AACVmk-xLRo307.jpg "style=" height : auto;vertical-align:middle;border:0px; "title=" 11.jpg "alt=" Wkiom1ggfejt93a_aacvmk-xlro307.jpg "/>1, the business unit to the System architecture Group proposed business system construction SLA (Service level agreement) requirements;2, the system architecture group according

, tracking, reporting, and other work. The repair system is similar to fire suppression. If necessary, the user should isolate the worm or virus from the network segment and then start the repair process. Mr. Engates, CTO of Rackspace, believes that vrouters and firewalls are very similar to the version of the upgraded software. A network engineer is responsible for tracking the vulnerability information of firewalls and routers. After a patch is dete

Recently, when looking for a job, I was asked some principles of Swift's bottom, so I decided to take notes in order to be able to impress. The following is reproduced by (http://www.openstack.cn/?p=776) --Openstack Swift Open Source cloud storage technology Analysis The OpenStack Swift Open source project provides an elastic, scalable, highly available distributed object Storage service for storing large-scale unstructured data. This article provides

1. Keep in mind the basics Don't forget every basic step in the migration process. Although the migration process has to stop, but when the original server is still in, to do as much as possible, as frequently as possible load test. Also, remember to modify domain DNS and, in general, set the TTL as low as possible. It is a good practice to do a test that 3~4 times the new DNS run plan before migrating. 2. Know your App Based on past experience, you need to understand the architecture of your

dashboard is similar to Twitter time Axis, users can see the real-time updates of all the users they are concerned about. Unlike blogging, caching does not work as much, because each request is different, especially for active followers. and need real-time and consistent, the article updates only 50GB daily, thread update 2.7TB every day, all the multimedia data are stored in the S3 above. Most users use Tumblr as a content browsing tool, browsing more than 500 million pages a day, and 70%

, such as a service suddenly more than a consumer, the demand of the consumer directly to the service to drag across, other consumers follow a failure.First, the service provider needs to flow control, when the process exceeds the standard, can reject part of the request, self-protection.Second, consumers pre-launch and the provider agreed to the service quality level agreement (SLA), the SLA includes the c

Sense: Static Routing-Multi-link egressNote: All devices use Cisco routers to simulate routers R1 and R2. R3 belongs to the Intranet router of an enterprise. R3 belongs to the telecommunication network. for short, line A; 3.3.3.3/32 represents the IP address of the telecommunication network, R4 belongs to China Unicom and other networks; for short, line B; 4.4.4.4/32 stands for other network IP addresses such as China Unicom. Objective: To use static routes to achieve data access from other netw

, enter your TestCase name, and then click OK.5. Next, the dialog box Add Request to TestCase will appear. Click OK.6. When the request is created as TESTREQUESTB, SOAPUI will automatically generate a testsuite and testcase for you. The following is a copy of the request that appears on the interface.The next step is to verify the response of the test by asserting the assertion.2. Add an assertion testNow that we've created and run our first Test, we're going to add a response to the validation.

Some time ago, I made a stateless TCP conntrack and found that one of the static arrays represents a good TCP state machine. I hope this idea can be used in practical work. Let's just say, this is the state machine array: static const u8 tcp_conntracks[2][6][TCP_CONNTRACK_MAX] = { {/* ORIGINAL *//* sNO, sSS, sSR, sES, sFW, sCW, sLA, sTW, sCL, sS2 *//*syn*/ { sSS, sSS, sIG, sIG, sIG, sIG, sIG, sSS, sSS, sS2 },/*...}; The following

merge, you must first define the merge goals for your merged teams and customers, and for the business owners of the user database. These goals are different depending on how you merge: Merging on a virtual machine, piling up a SQL Server environment, and using a storage area network (SAN), and so on. It is critical that the merge team discuss the actual service level agreement (SLA) with the customer beforehand. These SLAs provide more than just ex

office resource kit to automatically set user profile and other custom installation techniques. It also describes the communication methods between outlook and exchange and troubleshooting methods for common problems. : Http://www.5dmail.net/down/SoftList-2599.htm 11: Key Points for routine maintenance of the email system Description: effective maintenance is a prerequisite for ensuring stable system operation. This article will focus on all aspects of exchange maintenance, including database m

sent by the system administrator, and making high-level VM instance scheduling decisions. It also processes service level agreements and maintains system and user-related metadata. A cloud controller is composed of a group of services used to process user requests, verify and maintain systems, user metadata (Virtual Machine images and SSH key equivalence ), it can also manage and monitor the running of Virtual Machine instances. These services are configured and managed by the enterprise servic

corresponding log file can be used by new transactions. Note that this space reuse or truncation does not automatically reduce the physical size of the log file. If you need to reduce the space, you must use commands such as dbcc shrinkfile/DATABASE. The process of reusing a log space is called truncation. In simple mode, this process is called auto-truncate ). In this mode, logs usually do not need to be managed, but for a single large transaction, log files may grow very fast. In this case, i

host, storage resource, network resource and CDN's stability according to the response time and availability area, and adjust and optimize it according to the fault situation. 2. Historical snapshots Through historical snapshots can quickly restore the scene of the failure, and use this to accurately determine the cause of the failure, rapid repair services. 3. SLA Report SLA reports can help compa

Safety Summary Protecting the customer and ASP's data from malicious attacks (intentional or unintentional) is the entire content of security management. A clear understanding of what security management is and how the ASP and its customers can take it is critical, including what security policies are and what level of security needs to be achieved. You need to determine the SLA itself and the level of security it provides, and you need to take approp

log backup, every 3 months a full backup, every 15 minutes a log backup, when the disaster occurs, only through full backup and log backup to recover data, so although no data loss, But because the recovery of data took two days, resulting in 2 days of the banking system is not available, so the loss of a large number of customers. Another example is a domestic online video web site, using SQL Server as a backend relational database, the front-end uses no-sql, regularly no-sql data into the rel

itself, and the data synchronization method uses MySQL replication technology. MySQL replication is a log copy process, during the replication process one server acts as the primary server, while one or more other servers act as slave servers, simply to pull binary log files from the server to the master server, The log file is then parsed into the appropriate SQL to re-perform the operation of the master server from the server, in this way to ensure the consistency of the data.MySQL replicatio

uses MySQL replication technology. MySQL replication is a log copy process, during the replication process one server acts as the primary server, while one or more other servers act as slave servers, simply to pull binary log files from the server to the master server, The log file is then parsed into the appropriate SQL to re-perform the operation of the master server from the server, in this way to ensure the consistency of the data.MySQL replication technology only provides synchronous execu

Tags: style blog http tar ext color20140-06-26 BaoxinjianOne, different points 1 1, the structure changed, the original SOB is now called Ledger2, customer, supplier, tax raise a level3, customers, suppliers, banks changed to Web interface4, AR, AP can support the cross-ou query and input under one responsibility.5, the introduction of SLA framework, data logic clearer. In addition, the data form from the submodule to the general ledger and the