Re: A tidbit for those of us who want to play with InnoDB compression

2011-10-04 Thread Andrew Moore
Nice one Johan, thanks for the info. On Tue, Oct 4, 2011 at 2:17 PM, Johan De Meersman wrote: > As noted in the title, I'm messing about a bit with InnoDB compressed > tables. As such, I found a rather glaring hole in the Internet: how the hell > do you turn compression off again?

A tidbit for those of us who want to play with InnoDB compression

2011-10-04 Thread Johan De Meersman
As noted in the title, I'm messing about a bit with InnoDB compressed tables. As such, I found a rather glaring hole in the Internet: how the hell do you turn compression off again? :-D After messing about a lot and googling until my fingers hurt, I happened upon this bug report:

Re: Question about slow storage and InnoDB compression

2011-09-14 Thread Suresh Kuna
" I am still benchmarking, but I see a 15-20% performance gain after enabling compression using bacula gui (bat)." This is a very good performance improvement and how much disk space did you saved here ? Can you do bench marking with 4kb and 8kb key_block_size as well to check what

Re: Question about slow storage and InnoDB compression

2011-09-14 Thread Reindl Harald
Am 14.09.2011 14:50, schrieb Maria Arrea: > I have finally enabled compression: > I am still benchmarking, but I see a 15-20% performance gain after enabling > compression using bacula gui as expected if disk-io is the only bottenleck the same with NTFS-Compression inside a VMware M

Re: Question about slow storage and InnoDB compression

2011-09-14 Thread Maria Arrea
I have finally enabled compression

Re: Question about slow storage and InnoDB compression

2011-09-14 Thread Reindl Harald
Am 14.09.2011 09:50, schrieb Maria Arrea: > I have read all your mails, and still not sure if I should enable innodb > compression if you have enough free cpu-ressources and IO is your problem simply yes because the transfer from/to disk will be not so high as uncomp

Re: Question about slow storage and InnoDB compression

2011-09-14 Thread Maria Arrea
The server hosting bacula and the database only has one kind of disk: SATA, maybe I should buy a couple of SSD for mysql. I have read all your mails, and still not sure if I should enable innodb compression. My ibfile is 50 GB, though. Regards Maria Questions: 1) Why are you putting

Re: Question about slow storage and InnoDB compression

2011-09-13 Thread Suresh Kuna
Thanks for correcting me in the disk stats Singer, A typo error of SSD instead of SAS 15k rpm. Compression may not increase the memory requirements : To minimize I/O and to reduce the need to uncompress a page, at times the buffer pool contains both the compressed and uncompressed form of a

Re: Question about slow storage and InnoDB compression

2011-09-13 Thread Suresh Kuna
my.cnf is > attached below: > > > These are my questions: > > > - We have real slow storage (raid 6 SATA), but plenty CPU and ram . Should > I enable innodb compression to make this mysql faster? > - This system is IOPS-constrained for mysql (fine for backup, though).

Question about slow storage and InnoDB compression

2011-09-13 Thread Maria Arrea
GB in a couple of weeks, and I will change my.cnf to reflect more memory. My actual my.cnf is attached below: These are my questions: - We have real slow storage (raid 6 SATA), but plenty CPU and ram . Should I enable innodb compression to make this mysql faster? - This system is IOPS-constra

Re: Server/Client connection compression

2007-06-01 Thread Baron Schwartz
Hi, Giorgio Zarrelli wrote: Hi, I saw that to enable server/client protocol compression I can start mysql with the "-C" option. Is there a configuration keyword to write in my.cnf to enable server/client protocol compression? Yes. In general, most command-line options can

Server/Client connection compression

2007-06-01 Thread Giorgio Zarrelli
Hi, I saw that to enable server/client protocol compression I can start mysql with the "-C" option. Is there a configuration keyword to write in my.cnf to enable server/client protocol compression? Thanks Giorgio Zarrelli -- MySQL General Mailing List For list arch

Re: Table compression with write (append) support

2007-05-28 Thread Yves Goergen
On 28.05.2007 18:34 CE(S)T, Kevin Hunter wrote: > At 5:45a -0400 on 28 May 2007, Yves Goergen wrote: >> Also, URLs sometimes contain things like >> session IDs. They're probably not of interest for my use but it's not >> always easy to detect them for removal. > > Really? Why wouldn't it be easy

Re: Table compression with write (append) support

2007-05-28 Thread Kevin Hunter
At 5:45a -0400 on 28 May 2007, Yves Goergen wrote: > On 28.05.2007 09:06 CE(S)T, Kevin Hunter wrote: > >> In particular, I imagine a lot of the HTTP requests would be the >> same, so you could create a table to store the requested URLs, and >> then have a second table with the timestamp and foreign

Re: Table compression with write (append) support

2007-05-28 Thread Baron Schwartz
Yves Goergen wrote: On 28.05.2007 09:06 CE(S)T, Kevin Hunter wrote: At 12:31a -0400 on 28 May 2007, Dan Nelson wrote: You want the ARCHIVE storage engine. http://dev.mysql.com/doc/refman/5.0/en/archive-storage-engine.html Hm, it doesn't support deleting rows and it cannot use indexes. So doi

Re: Table compression with write (append) support

2007-05-28 Thread Yves Goergen
On 28.05.2007 09:06 CE(S)T, Kevin Hunter wrote: > At 12:31a -0400 on 28 May 2007, Dan Nelson wrote: >> You want the ARCHIVE storage engine. >> >> http://dev.mysql.com/doc/refman/5.0/en/archive-storage-engine.html Hm, it doesn't support deleting rows and it cannot use indexes. So doing statistics o

Re: Table compression with write (append) support

2007-05-28 Thread Kevin Hunter
y day. Older log files are compressed by month, >> with bzip2. This gives a very good compression ratio, since there's a >> lot of repetition in those files. If I store all that in a regular >> table, it would be several gigabytes large. So I'm looking for a way >>

Re: Table compression with write (append) support

2007-05-27 Thread Dan Nelson
This gives a very good compression ratio, since there's a > lot of repetition in those files. If I store all that in a regular > table, it would be several gigabytes large. So I'm looking for a way > to compress the database table but still be able to append new rows. > As the n

Table compression with write (append) support

2007-05-27 Thread Yves Goergen
Hi, I'm thinking about using a MySQL table to store an Apache access log and do statistics on it. Currently all access log files are stored as files and compressed by day. Older log files are compressed by month, with bzip2. This gives a very good compression ratio, since there'

Re: Ideas on Compression Protocol

2003-10-09 Thread Director General: NEFACOMP
Thank you for the ideas. Very helpful. Thanks Emery - Original Message - From: "Danny Haworth" <[EMAIL PROTECTED]> To: "Director General: NEFACOMP" <[EMAIL PROTECTED]> Sent: Thursday, October 09, 2003 12:01 Subject: Re: Ideas on Compression Protocol &g

Ideas on Compression Protocol

2003-10-09 Thread Director General: NEFACOMP
Hi group, I recently asked about Compression and security and got nice answers. Now I have got a different question: What are the disadvantage of using that client/server Compression protocol? Does it increase speed? Does it decrease speed? Does it overload the server? The client? Any ideas

Re: Compression: Security or Zipping?

2003-10-07 Thread Danny Haworth
ffic, like you would get when trying to decompress a 10k part of a large zip file. hth danny On Tue, 2003-10-07 at 10:49, Director General: NEFACOMP wrote: > Hi group, > > I have read in the MySQL manual that the client/Server Compression protocol adds > some security to the applica

RE: Compression: Security or Zipping?

2003-10-07 Thread Greg_Cope
> Hi group, > > I have read in the MySQL manual that the client/Server > Compression protocol adds some security to the application. > > Does anyone have more information on this? > It adds security by compressing the network trafic, which is more security by obscurity,

Compression: Security or Zipping?

2003-10-07 Thread Director General: NEFACOMP
Hi group, I have read in the MySQL manual that the client/Server Compression protocol adds some security to the application. Does anyone have more information on this? Thanks, __ NZEYIMANA Emery Fabrice NEFA Computing Services, Inc. P.O. Box 5078 Kigali Office

Re: compression protocol

2002-12-18 Thread Mark Matthews
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Dmitry Kosoy wrote: -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] Sent: Wednesday, December 18, 2002 10:55 AM To: Dmitry Kosoy Subject: Re: compression protocol Your message cannot be posted because it appears to

RE: compression protocol

2002-12-18 Thread Dmitry Kosoy
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] Sent: Wednesday, December 18, 2002 10:55 AM To: Dmitry Kosoy Subject: Re: compression protocol Your message cannot be posted because it appears to be either spam or simply off topic to our filter. To bypass the

compression

2002-02-12 Thread Victoria Reznichenko
Sommai, Wednesday, February 06, 2002, 8:01:13 AM, you wrote: SF> Hi, SF> I need to know that MySQL has any compression method when it store SF> data? If the answer is Yes, How the different compression between MySQL SF> and other tools (zip, gzip)? I asked this questi

compression

2002-02-06 Thread Victoria Reznichenko
Sommai, Wednesday, February 06, 2002, 8:01:13 AM, you wrote: SF> Hi, SF> I need to know that MySQL has any compression method when it store SF> data? If the answer is Yes, How the different compression between MySQL SF> and other tools (zip, gzip)? I asked this questi

compression

2002-02-05 Thread Sommai Fongnamthip
Hi, I need to know that MySQL has any compression method when it store data? If the answer is Yes, How the different compression between MySQL and other tools (zip, gzip)? I asked this question because I need to store some text file for future used (at least 1 Mbyte per day). I was

RE: MySQL compression?

2001-06-15 Thread Chris Bolt
Look up myisampack in the mysql manual at http://www.mysql.com/doc/. The only drawback is you can't modify the table. > I have a table that has massive amounts of text. Just plain text, stuff > that would compress REALLY well. Does mysql have any sort of compression > internally

MySQL compression?

2001-06-15 Thread Scott Baker
I have a table that has massive amounts of text. Just plain text, stuff that would compress REALLY well. Does mysql have any sort of compression internally for the table data that it stores? A simple gzip wouldn't add too much overhead to the system, and you could still have clear

Re: Dinamic Compression/Decompression

2001-06-12 Thread Philip Mak
On Tue, 12 Jun 2001, Emiliano F Castejon (Castle John) wrote: > I would like to know if there is a way to use a compressed MYSQL bank > for read and write (dynamic compression/decompression). I'm not sure if it is possible to do this natively in MySQL; I'll let someone else a

Dinamic Compression/Decompression

2001-06-12 Thread Emiliano F Castejon (Castle John)
I would like to know if there is a way to use a compressed MYSQL bank for read and write (dynamic compression/decompression). Using "myisampack" utility I can only create a read-only bank. Is there any internal compression scheme in MySQL ? Disk space is an important factor in my w

Replication and compression

2001-04-20 Thread Scott Vanderweyst
Is it possible to enable compression between replicating database servers? I'm assuming that there is already compression code in place, because of the need to link with the compression libraries on the client end sometimes. Compressing the replication connection has certain advantages wher

Re: Should I turn on compression in MyODBC in LAN evironment?!?

2001-01-13 Thread Sinisa Milivojevic
"Apolinaras \"Apollo\" Sinkevicius" writes: > I wonder, is there a performance gain if compression is turned on the > client side? > My set-up: > Front end: M$Access97 via latest MyODBC > Back end: MySQL 3.23.30 on RH7 with PIII300 128Ram >

Should I turn on compression in MyODBC in LAN evironment?!?

2001-01-12 Thread Apolinaras \"Apollo\" Sinkevicius
I wonder, is there a performance gain if compression is turned on the client side? My set-up: Front end: M$Access97 via latest MyODBC Back end: MySQL 3.23.30 on RH7 with PIII300 128Ram LAN is 100BaseT Full Duplex switched. Thanx