"Kris, please have a look at our database. We are running a materialized dataset processor, and on a database with about 40 GB of buffer pool and a database size of 6 GB, we are observing swapping."
Now, that is interesting. The box in question has 48 GB of memory, and indeed, hardly 6 GB of data.
Yet, at the same time in "top", and growing:
That's going to be interesting!
Continue reading "Dude, where is my memory?"
Now, that is interesting. The box in question has 48 GB of memory, and indeed, hardly 6 GB of data.
CODE:
mysql> select
-> sum(data_length+index_length)/1024/1024/1024 as gb
-> from tables
-> where table_schema not in ('information_schema', 'performance_schema', 'mysql');
+----------------+
| gb |
+----------------+
| 5.832778930664 |
+----------------+
1 row in set (0.00 sec)
-> sum(data_length+index_length)/1024/1024/1024 as gb
-> from tables
-> where table_schema not in ('information_schema', 'performance_schema', 'mysql');
+----------------+
| gb |
+----------------+
| 5.832778930664 |
+----------------+
1 row in set (0.00 sec)
Yet, at the same time in "top", and growing:
CODE:
7552 mysql 15 0 55.1g 43g 6888 S 0.7 91.7 499:13.56 mysqld
That's going to be interesting!
Continue reading "Dude, where is my memory?"