TZUTC: -0600   
   MSGID: 330.fidonet_linux@1:104/116 24e33c97   
   REPLY: 2:280/464 6077fb3d   
   PID: Synchronet 3.19a-Linux master/0b3804ff5 Apr 16 2021 GCC 9.3.0   
   TID: SBBSecho 3.14-Linux master/0b3804ff5 Apr 16 2021 GCC 9.3.0   
   BBSID: CIAD   
   CHRS: ASCII 1   
   -=> Wilfred van Velzen wrote to Maurice Kinal <=-   
      
    WvV> @MSGID: <607806F8.314.fidonet_linux@caughtinadream.com>   
    WvV> @REPLY: <60776C55.312.fidonet_linux@caughtinadream.com>   
    WvV> @TZ: 0078   
    WvV> Hi Maurice,   
      
    WvV> On 2021-04-14 21:57:54, you wrote to Benny Pedersen:   
      
    BP>> swapoff -a   
      
    MK> I haven't used swap in around 25 years now.  What for?  DDR4 is cheap, or   
    MK> at least was the last time I checked and infinetly better than swap.  Why   
    MK> would you do this to any machine?   
      
    WvV> On a busy server a little bit of swap can be usefull, so the kernel   
    WvV> doesn't start killing random processes right away when it runs out   
    WvV> of real memory. This gives the administrator some time to take   
    WvV> messures, without risking unplanned interrupted services...   
      
   Always leave some swap on a Linux system even if you have 32, 64GB, or   
   even a TB of memory.  I've seen applications completely consume all   
   available memory and, thankfully memory was monitored, was able to kill   
   the processes that consumed all the memory to prevent the server from   
   going down.  Ultimately, it's a safety net, it is  stupid not to use it.   
      
   This is similar to partitioning out the file systems on a Linux   
   server.  Keeping everything in one file system will bite you in the butt   
   if you have a directory fill up.   
      
      
   Brian Klauss <-> Dream Master   
   Caught in a Dream | caughtinadream.com a Synchronet BBS   
      
   ... Gone crazy, be back later, please leave message.   
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