Lines Matching full:transaction

84  * little, the last transaction for the file could contain the wrong
86  * transaction, and the system crashes, the allocation transaction
91  * system is idle. We need two dummy transaction because the h_tail_lsn
93  * non-dummy transaction. The first dummy changes the h_tail_lsn to
94  * the first transaction before the dummy. The second dummy causes
104  *  NEED -- logging has occurred and we need a dummy transaction
107  *		transaction.
108  *  NEED2 -- we detected that a dummy transaction has gone to the
110  *  DONE2 -- we committed a dummy transaction when in the NEED2 state.
115  *	We commit the dummy transaction and switch to DONE or DONE2,
121  *	transaction going out, the next state is NEED.
127  *		dummy transaction, we move to NEED2.
130  *		dummy transaction, we move to IDLE.
133  * Writing only one dummy transaction can get appended to
150 	xlog_tid_t		t_tid;		/* transaction identifier */
213  * The CIL context is used to aggregate per-transaction details as well be
320  * technique during transaction commit whereby unused reservation space in the
321  * transaction ticket is transferred to the CIL ctx commit ticket to cover the
322  * space needed by the checkpoint transaction. This means that we never need to
323  * specifically reserve space for the CIL checkpoint transaction, nor do we
325  * checkpoint transaction ticket is specific to the checkpoint context, rather
330  * Recovery imposes a rule that no transaction exceed half the log, so we are
331  * limited by that.  Furthermore, the log transaction reservation subsystem
348  *   made without excessive blocking of incoming transaction commits. This is
360  * limit, it forces the process committing a transaction to the CIL to block and
367  * Note: this is not a -hard- limit as blocking is applied after the transaction