Is there a problem with my file server and SQL or the operating system?

5 pts.
Tags:
File server
Operating systems
SQL
Windows Server
Hello good day, I have a LAN with star topology-tree. (Internet dedicated, 1 router, 2 servers, 1 switch, 1 AP, 40 PCs) OS Windows Server SBS 2003 and PCs with Windows 7 and 8. The network cards in the servers are 1GB, Router 1GB, 1GB switch PCs 100MB. Cat5e cabling. But the data transfer is very, very slow. Is the problem with the software on the file server and SQL, or operating system?


Software/Hardware used:
redes LAN
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  • TheRealRaven
    Impossible for us to say. Needed to start an answer:
    • A good network diagram,
    • a good list of specs for each device in the transfer,
    • a schema definition showing tables/views/indexes involved,
    • stored procs/triggers/constraints,
    • a query that runs slow,
    • a description of the data volumes touched by the query,
    • a list of other processes on the query device, and
    • a measure of competing network activity.
    Those would provide a good starting point for investigation of database performance. They're off the top of my head, and others can probably add more.

    Otherwise, a basic review of simple network performance is probably the starting point for you. Something as trivial as a poor network cable/connection can have majoe effects.
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