Improving MySQL/Innodb/ZFS Read-Only Performance by 5x Using SSDs for L2ARC

5 More Discussions You Might Find Interesting

1. UNIX for Beginners Questions & Answers

Improving find to read table name from file

Hi there, I currently use the following find command to recursively search all the subdirectories in our file system for a table ( in this case BB_TENURE_DAYS) find -type f -exec grep -l "BB_TENURE_DAYS" {} \+ So I have this so far - the problem is how do I read the line to get the...

2. Solaris

zfs send receive performance issues

I 'm trying to clone a zfs file system pool/u01 to a new file system called newpool/u01 using following commands zfs list zfs snapshot pool/u01@new zfs send pool/u01@new | zfs -F receive newpool/u01 Its a 100G file system snapshot and copied to same server on different pool and...

3. Solaris

Poor Disk performance on ZFS

Hello, we have a machine with Solaris Express 11, 2 LSI 9211 8i SAS 2 controllers (multipath to disks), multiport backplane, 16 Seagate Cheetah 15K RPM disks. Each disk has a sequential performance of 220/230 MB/s and in fact if I do a dd if=/dev/zero of=/dev/rdsk/<diskID_1> bs=1024k...

4. Web Development

Unkown table Engine 'InnoDB' on a RedHat server with MySQL v5!

hi all, After installing MySQL Source Code on my RedHat machine and compiling it, i no longer have access to some of my DBs having this error message. Unkown table Engine 'InnoDB' Before this step, i used to have another MySQL instance that used to work properly with all the DBs i do have,...

5. BSD

ZFS / UFS / Soft Updates / GJurnal / Bonnie Performance

I have done some tests with UFS/ZFS under bonnie benchmark. here are the results if you are interested. software: OS: FreeBSD 7-CURRENT 200708 snapshot benchmark: bonnie -s 2048 CFLAGS: -O2 -fno-strict-aliasing -pipe -s CPUTYPE: athlon-mp scheduler: ULE hardware: CPU: (single) Athlon...

LEARN ABOUT DEBIAN

zdb

zdb(8)							  System Administration Commands						    zdb(8)

NAME

       zdb - ZFS debugger

SYNOPSIS

       zdb pool

DESCRIPTION

       The  zdb command is used by support engineers to diagnose failures and gather statistics. Since the ZFS file system is always consistent on
       disk and is self-repairing, zdb should only be run under the direction by a support engineer.

       If no arguments are specified, zdb, performs basic consistency checks on  the  pool  and  associated  datasets,	and  report  any  problems
       detected.

       Any options supported by this command are internal to Sun and subject to change at any time.

EXIT STATUS

       The following exit values are returned:

       0    The pool is consistent.

       1    An error was detected.

       2    Invalid command line options were specified.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWzfsu			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Unstable			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       zfs(8), zpool(8), attributes(5)

SunOS 5.11							    31 Oct 2005 							    zdb(8)

Solaris BigAdmin RSS