RE: [loganalysis] Larg scale log architecture

From: Desai, Ashish (Ashish.Desaiat_private)
Date: Thu Sep 06 2001 - 12:29:50 PDT

  • Next message: Andreas Siegert: "Re: [loganalysis] Frontend for SQL logging."

    Rsync (http://rsync.samba.org/ is your friend. 
    It syncs up files using block level deltas so its VERY efficient on low
    bandwidth networks. Also
    supports bandwidth limiter option to prevent filling up the pipe.
    
    Supports ssh and compresses the data stream in transit. If you don't want to
    do filtering at the satellite
    sites, you could just rsync the log files to your central server and process
    the file by "tail -f"
    
    You can use "gzip" on the central server to append the incoming logs files
    to long term logs files,
    ie "cat realtimelog | gzip >> storagelog.gz"    (YES, you can incrementally
    append gzip data this way, it work!). The only
    problem is "gunzip -l" will lie about the compression ratios.
    
    One of the things we realized early on is having a well defined directory
    hier on the central
    server help in the long run. We went with the scheme of
    /SOMEROOT/yyyy/mm/server-x/service/fnamex_yyyy-mm-dd.txt . 
    This allowed us to blow away and restore any year's data from tape. It also
    help is partitioning your drives for growth.
    
    
    Ashish
    Fidelity Investments
    Corporate Security Investigations
    
    > -----Original Message-----
    > From:	Andreas Siegert [SMTP:afxat_private]
    > Sent:	Wednesday, September 05, 2001 6:03 AM
    > To:	loganalysisat_private
    > Subject:	[loganalysis] Larg scale log architecture
    > 
    > Hi,
    > 
    > I am looking for any hints on how others have solved large scale log
    > architecture problems.
    > 
    > Central sites with several hundred GB of log data per day plus remote
    > sistes
    > on slow or already full links. Logging of accepted and denied traffic from
    > firewalls (raptor, fw-1, ...) plus syslog.
    > 
    > Goal is to have real time alerts and long term analysis of all the data.
    > 
    > Any experience with SLR from NFR or others?
    > 
    > 
    
    ---------------------------------------------------------------------
    To unsubscribe, e-mail: loganalysis-unsubscribeat_private
    For additional commands, e-mail: loganalysis-helpat_private
    



    This archive was generated by hypermail 2b30 : Thu Sep 06 2001 - 15:19:31 PDT