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SAP HANA Savepoint Mechanism – Internal stages
SAP HANA hangs on in-memory data by making use of savepoints. Each of the SAP HANA services has its own separate savepoints. During the ongoing savepoint operation, SAP HANA carries out database flushes thus changing the required data from the memory to the data volumes. The data does belong to a savepoint and represents a consistent state of the data on the respective disk. It remains so until the next savepoint operation has been completed. Redo log entries are written to the log volumes for all changes to the persistent data. In the case of a database restart (for instance, after a crash), the data from given last completed savepoint can be actually read from the data volumes, and then one has to redo log entries written to the log volumes as the last savepoint can be replayed. What there is more to know? The frequencies of these savepoints are much defined and can be configured in the persistence section of the global.ini file (every 5 minutes by default). Savepoints are rather triggered off by a number of other operations such as data backup, and database shutdown and restart. You can thus trigger a savepoint manually by executing the following […]
As a mechanical engineering student, how useful will SAP ABAP be to me?
A mechanical engineering student does find coding very interesting and useful option as a career and prefers to undertake study in SAP ABAP. He or she gets involved in implementing ERP for manufacturing companies. It is a good career option and is also very remunerative. It is a tool for success in one’s career. How is SAP ABAP useful to a mechanical engineer? A mechanical engineer graduates opts for SAP ABAP as he or she finds it interesting to write for SAP Web applications, which are business applications. Merely pursing a mechanical engineering course does not make sense. The student has to be clear in his mind as to how he or she will apply the course in their daily activities. Job placement services in SAP are offered and the mechanical engineering student can take advantage of this. Advanced Application Programming (ABAP) is a high level programming language, which has been created by the German software firm SAP. The ABAP Workbench has been made use of by SAP in order to develop the standard as well as custom application software. The ABAP workbench has also been used to create dictionary based objects communications program. SAP is able to generate several […]
5 ways to improve your chances of securing an SAP Job
The SAP job market is very competitive and challenging and more and more professionals are opting for it. There is much to choose from in terms of position. So how can one improve one’s chances for career and get selected for a job? 1) Networking One has to keep in touch with clients and business setups. Networking helps one with greater opportunities for work. One must make the effort to stay in touch with colleagues. It is indeed useful to make new contacts and keep in touch with user groups and make contacts with SAP conferences. One must make use of social media as well for SAP professional networking. LinkedIn, for example, has become an essential networking tool for SAP consultants. One can go in for online networking for SAP Consultants. It is essential to contribute comments/blogs and SAP and thus make rather meaningful contacts. Other useful sites for SAP professionals are Twitter, Xing, Facebook and Google Plus and others as well. 2) Stay updated with the latest SAP Development The SAP job market is indeed very dynamic. SAP Consulting is an important SAP skill and one must have the requisite qualifications as well as the technical knowledge that is […]
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