<transcript><audio_273>magical moment in the protocol where you say at the point where X happens that X is going to be when the commit log Proto commit log hits dis uh the transaction changes its status from active to committed it has to be one very finite</transcript><transcript><audio_274>boundary in that magical moment is determined by this right ahead logging protocol and what that says is that the database system is going uh to log records this stays in volatile storage and all records updated to a page are</transcript><transcript><audio_275>stay in this non-volatile buffer pool log buffer pool storage but before I write a page to stable storage I must make sure its log is written before I can write the page that's it's a uh</transcript> magical moment in the protocol where you say at the point where X happens that X is going to be when the commit log Proto commit log hits dis uh the transaction changes its status from active to committed it has to be one very finite boundary in that magical moment is determined by this right ahead logging protocol and what that says is that the database system is going uh to log records this stays in volatile storage and all records updated to a page are stay in this non-volatile buffer pool log buffer pool storage but before I write a page to stable storage I must make sure its log is written before I can write the page that's it's a uh
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