How To Log Into Coinbase Wallet
Therefore, when the data is modified, in addition to modifying the data in the buffer pool, the operation is logged in the redo log, and when the transaction is committed, the data is swiped against the redo log record. If MySQL goes down, the data in the redo log can be read on restart to recover the database, thus ensuring the durability of the transaction and giving the database crash-safe capability. Dirty log swipe disk In addition to the above mentioned brush disk for dirty data, in fact, when the redo log log is logged, in order to ensure the durability of the log file, you also need to go through the process of writing logging from memory to disk. The redo log log can be divided into two parts: the cache log redo log buff in volatile memory, and the redo log file redo log file saved on disk. To ensure that each record can be written to a log on disk, the fsync operation of the operating system is called every time the log in the redo log is written to the redo log file.