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David,

On 4/7/13 11:58 AM, David Kerber wrote:
> On 4/7/2013 11:32 AM, aishani wrote:
>> SIR WHEN I RE-START MY STARTUP BAT FILE AGAIN DB CONNECTION
>> ESTABLISHED. PLEASE GUIDE ME WHAT I HAVE TO CONFIGURE IN MQSQL.
>> 
>> THANKS
> 
> Please don't top-post.
> 
> I can't help you with mySQL; I've never used it.  Do some research 
> through your favorite search engine to find how to set the maximum 
> number of simultaneous connections in mySQL.

By default, MySQL does not have any per-user connection limit. One can
check to see if a user has a maximum connection limit like this:

mysql> SELECT * FROM mysql.user WHERE user=''\G

There are a few columns with max_* that indicate the maximums for
these things.

One can also do this:

mysql> SHOW VARIABLES LIKE 'max%';

You'll get results like this:

+----------------------------+----------------------+
| Variable_name              | Value                |
+----------------------------+----------------------+
| ........                   |                      |
| max_connections            | 151                  |
| ........                   |                      |
| max_user_connections       | 0                    |
| ........                   |                      |
+----------------------------+----------------------+

If the OP would care to share the actual error message, perhaps we can
give better help. For example, this could be a MySQL connection-limit
issue, or it could be a connection-pool exhaustion error.

In either case, a likely scenario is that the webapp has a connection
leak that needs to be fixed.

- -chris
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