[Info-vax] RDB Question
Jan-Erik Söderholm
jan-erik.soderholm at telia.com
Wed Dec 5 03:19:53 EST 2018
Den 2018-12-04 kl. 22:51, skrev Phillip Helbig (undress to reply):
> In article <pu6s1g$cuf$3 at dont-email.me>,
> =?UTF-8?Q?Jan-Erik_S=c3=b6derholm?= <jan-erik.soderholm at telia.com>
> writes:
>
>> There are a number of different locks. Read locks, write locks,
>> shared locks, protected locks. In a lot of combinations.
>>
>> And there are locks not only for the actual data records but
>> for a number of internal data structures in Rdb.
>
> For fun, just enter $ RMU/SHOW LOCKS and dig the output. :-)
>
And lock up your terminal scrolling for minutes... :-)
In our environment there are usually around 200.000 locks at
peak-time (according to AGEN$PARAMS.REPORT). Not all are Rdb
locks, but probably the majority. And this is a small system.
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