If you need automatic failover then your only option is “synchronous commit”. This is because by definition, with asynchronous commit it’s impossible to be sure there’ll be no data loss on a failover (as no
(A super-step cannot commit before its slowest task finishes.) This limit presents a major challenge for the BSP model because it can create load imbalance, which usually degrades performance. Load imbalance can also be caused by heterogeneous clusters, especially on the cloud. Note th...
This example shows asynchronous commit operations. Rollback operations can also be done this way. Copy BOOL AsyncCommit () { SQLRETURN r; // Assume that SQL_ATTR_ASYNC_DBC_FUNCTIONS_ENABLE is SQL_ASYNC_DBC_ENABLE_ON. r = SQLEndTran(SQL_HANDLE_DBC, hdbc, SQL_COMMIT); while (r == ...
This example shows asynchronous commit operations. Rollback operations can also be done this way. BOOL AsyncCommit () { SQLRETURN r; // Assume that SQL_ATTR_ASYNC_DBC_FUNCTIONS_ENABLE is SQL_ASYNC_DBC_ENABLE_ON. r = SQLEndTran(SQL_HANDLE_DBC, hdbc, SQL_COMMIT); while (r == SQL_STI...
Synchronous ask At last an example for the synchronous 'ask', ask-s. It is insofar similar to ask that it provides a result to the caller. However, it is not bound to reply as with ask. Here, the return value of the 'receive' function is returned to the caller, and ask-s will ...
Asio timer can be used in synchronous or asynchronous modes. #include "server/asio/timer.h" #include "threads/thread.h" #include <iostream> class AsioTimer : public CppServer::Asio::Timer { public: using CppServer::Asio::Timer::Timer; protected: void onTimer(bool canceled) override { std...
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Commit your code ➤ I think with this important improvement, the app deserves a new version number. So commit the changes and create a tag forv0.2. You will have to do this as two separate steps — first create a commit with a suitable message, and then create a tag for your latest...
You can also do a synchronous blocking call to wait for a task result: results, err := asyncResult.Get(time.Duration(time.Millisecond * 5)) if err != nil { // getting result of a task failed // do something with the error } for _, result := range results { fmt.Println(result....
the leader-based phase in which the designated leader tries to drive progress by getting all parties to commit its value. Then, when parties suspect that the leader is faulty, whether it is really faulty or due to asynchrony or network attacks, they start the view-change phase in which they...