Re: MySQL install on OS X Lion does not create root account

2011-11-15 Thread Michael Dykman
You showed us a link which explains how you uninstalled MySQL.
Perhaps you could tell us how you installed it?  IT would certainly
shed some light on the subject.  If you are using a pre-built package
for OS/X, the issue is likely with the package.  If you are installing
from source, there is an initialization step you may have missed.

 - michael dykman


On Tue, Nov 15, 2011 at 4:21 PM, Martin Mueller
 wrote:
> I have been struggling with installing MySQL 5.5.17 on a Mac running OS
> 10.7. My machine had 5.5.15 on it.
>
> I keep getting user denied access messages (Error 1045).   I thought at
> first it was a matter of a password not being flushed from a previous
> installation and went through repeated install and uninstall routines, using
> the instructions by Rob Allen at
> (http://akrabat.com/computing/uninstalling-mysql-on-mac-os-x-leopard/)
>  .
>
> I also followed various instructions in the MySQL documentation for
> resetting lost passwords. But the results persuaded me that the problem is
> something else:  the installer does not create a root account or a mysql
> account in the user table. Thus the update command for resetting the root
> password executes correctly but update 0 rows. And logging in with the
> skip-grants-table lets you address some queries to the mysql user table.
>
> "Select count(user) from user" returns 0, as does "select user, password
> from user." So it appears that the installation routine (from the disk
> image) does not populate the user table with accounts from which you could
> then perform other activities.
>
> Does anybody have any idea what is going on here or what I could be doing
> wrong?
>
>
>
>
>



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MySQL install on OS X Lion does not create root account

2011-11-15 Thread Martin Mueller
I have been struggling with installing MySQL 5.5.17 on a Mac running OS
10.7. My machine had 5.5.15 on it.

I keep getting user denied access messages (Error 1045).   I thought at
first it was a matter of a password not being flushed from a previous
installation and went through repeated install and uninstall routines, using
the instructions by Rob Allen at
(http://akrabat.com/computing/uninstalling-mysql-on-mac-os-x-leopard/)
 .

I also followed various instructions in the MySQL documentation for
resetting lost passwords. But the results persuaded me that the problem is
something else:  the installer does not create a root account or a mysql
account in the user table. Thus the update command for resetting the root
password executes correctly but update 0 rows. And logging in with the
skip-grants-table lets you address some queries to the mysql user table.

"Select count(user) from user" returns 0, as does "select user, password
from user." So it appears that the installation routine (from the disk
image) does not populate the user table with accounts from which you could
then perform other activities.

Does anybody have any idea what is going on here or what I could be doing
wrong?


 



Re: how to check how big a database is

2011-11-15 Thread Angela liu
Thanks, this is really helpful.



From: Peter Brawley 
To: mysql@lists.mysql.com
Sent: Tuesday, November 15, 2011 12:41 PM
Subject: Re: how to check how big a database is

On 11/15/2011 2:10 PM, Angela liu wrote:
> In mysql 5.0 ,how to check how big a database is?
>
>
> Thanks
See "Database size" at http://www.artfulsoftware.com/queries.php

PB

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Re: how to check how big a database is

2011-11-15 Thread Peter Brawley

On 11/15/2011 2:10 PM, Angela liu wrote:

In mysql 5.0 ,how to check how big a database is?


Thanks

See "Database size" at http://www.artfulsoftware.com/queries.php

PB

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Re: Cleaning up old files

2011-11-15 Thread Hal�sz S�ndor
 2011/11/14 18:01 +, Rob Tanner 
So what are those files and can I delete all but the most recent? 

And if you look up replication, as others already have said, you will find that 
the command "purge binary logs to 'mysql-bin.'" will do just that--if, as 
Harald hinted, you really _want_ replication, or at least the output needed for 
it.

I wrote "reset master" by mistake: that clears out _all_ the binary logs.


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how to check how big a database is

2011-11-15 Thread Angela liu
In mysql 5.0 ,how to check how big a database is?


Thanks

Re: PID and LOG file

2011-11-15 Thread Michael Dykman
mysqld_safe might not know where your config file is located.  You can
specify it's location at the command line with
--defaults-file=file_name

alternatively, you could specify the location of your log file thus:
--log-error=file_name

 other options found at
   http://dev.mysql.com/doc/refman/5.1/en/mysqld-safe.html

 - michael dykman

On Tue, Nov 15, 2011 at 7:31 AM, javad bakhshi  wrote:
> Hi,
>
> I am trying to install Mysql on linux which I don't have a root access. I 
> have done the folowing :
>
> 1. Download source files from http://dev.mysql.com/downloads/mysql/ and 
> un-tar thwm
> 2. configure the instalation using ./configure as:
>     CFLAGS="-O3" CXX=gcc CXXFLAGS="-O3 -felide-constructors -fno-exceptions 
> -fno-rtti" ; \
> ./configure --prefix=/bubo/home/h10/javad/scratch/mysql \
>     --enable-assembler \
>     --with-mysqld-ldflags=-all-static \
>     --with-client-ldflags=-all-static \
>     --with-mysqld-user=javad \
>     
> --with-unix-socket-path=/bubo/home/h10/javad/scratch/mysql/tmp/mysql.sock \
>     --localstatedir=/bubo/home/h10/javad/scratch/mysql/share \
>         --datadir=/bubo/home/h10/javad/scratch/mysql/data\
>             --enable-thread-safe-client
>
> 3. execute ./bin/mysql_install_db
> 4. execute bin/mysqld_safe & to run mysql. but at this point I get the 
> folowing error:
>     Starting mysqld daemon with databases from 
> /bubo/home/h10/javad/scratch/mysql/data
>     ./bin/mysqld_safe: line 394: /var/log/mysqld.log: Permission denied
>     ./bin/mysqld_safe: line 402: /var/log/mysqld.log: Permission denied
>     STOPPING server from pid file 
> /bubo/home/h10/javad/scratch/mysql/data/the.pid
>     tee: /var/log/mysqld.log: Permission denied
>     15 13:14:18  mysqld ended
>     tee: /var/log/mysqld.log: Permission denied
>
> I don't know why I get this error since I have changed the my.cnf to
>     err-log=/bubo/home/h10/javad/scratch/mysql/data/the.log
>     pid-file=/bubo/home/h10/javad/scratch/mysql/data/the.pid
>
>
>
>
>
> Best regards,
> Javad Bakhshi,
>



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Re: Cleaning up old files

2011-11-15 Thread Hal�sz S�ndor
 2011/11/14 18:01 +, Rob Tanner 
So what are those files and can I delete all but the most recent? 

And if you look up replication, as others already have said, you will find that 
the command "reset master" will do just that--if, as Harald hinted, you really 
_want_ replication, or at least the output needed for it.


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PID and LOG file

2011-11-15 Thread javad bakhshi
Hi,

I am trying to install Mysql on linux which I don't have a root access. I have 
done the folowing :

1. Download source files from http://dev.mysql.com/downloads/mysql/ and un-tar 
thwm
2. configure the instalation using ./configure as:
    CFLAGS="-O3" CXX=gcc CXXFLAGS="-O3 -felide-constructors -fno-exceptions 
-fno-rtti" ; \
./configure --prefix=/bubo/home/h10/javad/scratch/mysql \
    --enable-assembler \
    --with-mysqld-ldflags=-all-static \
    --with-client-ldflags=-all-static \
    --with-mysqld-user=javad \
    
--with-unix-socket-path=/bubo/home/h10/javad/scratch/mysql/tmp/mysql.sock \
    --localstatedir=/bubo/home/h10/javad/scratch/mysql/share \
        --datadir=/bubo/home/h10/javad/scratch/mysql/data\
            --enable-thread-safe-client

3. execute ./bin/mysql_install_db
4. execute bin/mysqld_safe & to run mysql. but at this point I get the folowing 
error:
    Starting mysqld daemon with databases from 
/bubo/home/h10/javad/scratch/mysql/data
    ./bin/mysqld_safe: line 394: /var/log/mysqld.log: Permission denied
    ./bin/mysqld_safe: line 402: /var/log/mysqld.log: Permission denied
    STOPPING server from pid file 
/bubo/home/h10/javad/scratch/mysql/data/the.pid
    tee: /var/log/mysqld.log: Permission denied
    15 13:14:18  mysqld ended
    tee: /var/log/mysqld.log: Permission denied

I don't know why I get this error since I have changed the my.cnf to
    err-log=/bubo/home/h10/javad/scratch/mysql/data/the.log
    pid-file=/bubo/home/h10/javad/scratch/mysql/data/the.pid




 
Best regards,
Javad Bakhshi,


Re: Select data from large tables

2011-11-15 Thread Johan De Meersman
You might want to have a look at partitioning that table. It'll be a 
considerable downtime, but if done right it'll speed up a lot of your selects.

- Original Message -
> From: "Adarsh Sharma" 
> To: "mysql" 
> Sent: Tuesday, 15 November, 2011 11:39:41 AM
> Subject: Re: Select data from large tables
> 
> More than 20163845 rows are there and my application continuously
> insert
> data in the table.
> daily i think there is a increase in 2.5 Gb in that table.
> 
> Thanks
> 

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Re: Select data from large tables

2011-11-15 Thread Adarsh Sharma
More than 20163845 rows are there and my application continuously insert 
data in the table.

daily i think there is a increase in 2.5 Gb in that table.

Thanks

Chris Tate-Davies wrote:

How many rows is that???


On Tue, 2011-11-15 at 16:05 +0530, Adarsh Sharma wrote:
  

Dear all,

I have a doubt regarding fetching data from large tables.
I need to fetch selected columns from a 90Gb Table & 5Gb index on it.

CREATE TABLE `content_table` (
  `c_id` bigint(20) NOT NULL DEFAULT '0',
  `link_level` tinyint(4) DEFAULT NULL,
  `u_id` bigint(20) NOT NULL,
  `heading` varchar(150) DEFAULT NULL,
  `category` varchar(150) DEFAULT NULL,
  `c_url` varchar(500) NOT NULL,
  `keywords` varchar(500) DEFAULT NULL,
  `dt_stamp` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `content` mediumtext,
  PRIMARY KEY (`c_id`),
  KEY `idx_url` (`c_url`),
  KEY `idx_head` (`heading`),
  KEY `idx_dtstamp` (`dt_stamp`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1

Now I need to select distict category from content_table of size 90Gb.

Simple select command can take days to complete & I donot think creating 
index on that column is a good idea.

Please let me know any ideas to do that.

Thanks




  




Select data from large tables

2011-11-15 Thread Adarsh Sharma

Dear all,

I have a doubt regarding fetching data from large tables.
I need to fetch selected columns from a 90Gb Table & 5Gb index on it.

CREATE TABLE `content_table` (
 `c_id` bigint(20) NOT NULL DEFAULT '0',
 `link_level` tinyint(4) DEFAULT NULL,
 `u_id` bigint(20) NOT NULL,
 `heading` varchar(150) DEFAULT NULL,
 `category` varchar(150) DEFAULT NULL,
 `c_url` varchar(500) NOT NULL,
 `keywords` varchar(500) DEFAULT NULL,
 `dt_stamp` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
 `content` mediumtext,
 PRIMARY KEY (`c_id`),
 KEY `idx_url` (`c_url`),
 KEY `idx_head` (`heading`),
 KEY `idx_dtstamp` (`dt_stamp`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1

Now I need to select distict category from content_table of size 90Gb.

Simple select command can take days to complete & I donot think creating 
index on that column is a good idea.

Please let me know any ideas to do that.

Thanks

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