parallel jobs run on cluster machines.
server jobs run on smp and mpp.
What do mean by cluster mechines and SMP and MPP..?
Answer Posted / maruthi
SMP.)SYMTERRIC MULTI PROCESSING SMP:-ALL PROCESSORS WILL BE
USING SAME MEMORY DISK,MEMORY BUFFERS.HERE PROCESSCORS WILL
BE WAITING FOR DISK I/O PROCESS.
MPP:MASSIVELY PAPALLEL PROCESSING.)HERE EACH PROCESSOR WILL
BE HAVING IT'S OWN MEMORY AND MAMORY DEVICES,PHYISICALLY
ALL THIS PROCESSORS WILL EMBEDDED IN A SINGLE CABIN.AND
WILL COMMUNICATE THROUGH SHARED MEMORY BUSES.
CLUSTER M/C:) SAME AS MPP ,BUT PHYSICALLY THIS M/C ARE
HOUSED IN DIFFERENT CABINS AND WILL COMMUNICATE THROUGH
HIGH SPEED NETWORKS.
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create a job that splits the data in the Jobs.txt file into
four output files. You will direct the data to the
different output files using constraints. • Job name:
JobLevels
• Source file: Jobs.txt
• Target file 1: LowLevelJobs.txt
− min_lvl between 0 and 25 inclusive.
− Same column types and headings as Jobs.txt.
− Include column names in the first line of the output file.
− Job description column should be preceded by the
string “Job
Title:” and embedded within square brackets. For example, if
the job description is “Designer”, the derived value
is: “Job
Title: [Designer]”.
• Target file 2: MidLevelJobs.txt
− min_lvl between 26 and 100 inclusive.
− Same format and derivations as Target file 1.
• Target file 3: HighLevelJobs.txt
− min_lvl between 101 and 500 inclusive.
− Same format and derivations as Target file 1.
• Rejects file: JobRejects.txt
− min_lvl is out of range, i.e., below 0 or above 500.
− This file has only two columns: job_id and reject_desc.
− reject_desc is a variable-length text field, maximum
length
100. It should contain a string of the form: “Level out of
range:
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