Re: SSI SLRU strategy choices - Mailing list pgsql-hackers

From Kevin Grittner
Subject Re: SSI SLRU strategy choices
Date
Msg-id 4D1B47880200002500038D98@gw.wicourts.gov
Whole thread Raw
In response to Re: SSI SLRU strategy choices  ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>)
List pgsql-hackers
"Kevin Grittner" <Kevin.Grittner@wicourts.gov> wrote:
> if a serializable transaction which is not flagged as read only
> remains open long enough for over a billion other transactions to
> commit
Maybe a clarification and example would be useful.  We're talking
about going through a billion transactions which were assigned a
TransactionId, not all database transactions.  An example of how you
could hit that is with a sustained commit rate of 5000 transactions
per second which are modifying data while a single read write
transaction stays open for 2.3 days.
-Kevin


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