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- QQQQUUUUEEEEUUUUEEEEDDDDEEEEFFFFSSSS((((4444)))) QQQQUUUUEEEEUUUUEEEEDDDDEEEEFFFFSSSS((((4444))))
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- NNNNAAAAMMMMEEEE
- queuedefs - at/batch/cron queue description file
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- SSSSYYYYNNNNOOOOPPPPSSSSIIIISSSS
- ////uuuussssrrrr////lllliiiibbbb////ccccrrrroooonnnn////qqqquuuueeeeuuuueeeeddddeeeeffffssss
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- DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
- The _q_u_e_u_e_d_e_f_s file describes the characteristics of the queues managed by
- _c_r_o_n(1M). Each non-comment line in this file describes one queue. The
- format of the lines are as follows:
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- _q....[_n_j_o_bjjjj][_n_i_c_ennnn][_n_w_a_i_twwww]
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- The fields in this line are:
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- _q The name of the queue. aaaa is the default queue for jobs started
- by _a_t(1); bbbb is the default queue for jobs started by _b_a_t_c_h(1);
- cccc is the default queue for jobs run from a ccccrrrroooonnnnttttaaaabbbb file. The
- name must be a lower case letter.
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- _n_j_o_b The maximum number of jobs that can be run simultaneously in
- that queue; if more than _n_j_o_b jobs are ready to run, only the
- first _n_j_o_b jobs will be run, and the others will be run as jobs
- that are currently running terminate. The default value is
- 100.
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- _n_i_c_e The _n_i_c_e(1) value to give to all jobs in that queue that are
- not run with a user ID of super-user. Valid nice values are 0
- to 19. The default value is 2.
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- _n_w_a_i_t
- The number of seconds to wait before rescheduling a job that
- was deferred because more than _n_j_o_b jobs were running in that
- job's queue, or because more than 25 jobs were running in all
- the queues. The default value is 60.
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- Lines beginning with #### are comments, and are ignored.
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- EEEEXXXXAAAAMMMMPPPPLLLLEEEE
- aaaa....4444jjjj1111nnnn
- bbbb....2222jjjj2222nnnn99990000wwww
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- This file specifies that the aaaa queue, for _a_t jobs, can have up to 4 jobs
- running simultaneously; those jobs will be run with a _n_i_c_e value of 1.
- As no _n_w_a_i_t value was given, if a job cannot be run because too many
- other jobs are running _c_r_o_n will wait 60 seconds before trying again to
- run it. The bbbb queue, for _b_a_t_c_h jobs, can have up to 2 jobs running
- simultaneously; those jobs will be run with a _n_i_c_e value of 2. If a job
- cannot be run because too many other jobs are running, _c_r_o_n will wait 90
- seconds before trying again to run it. All other queues can have up to
- 100 jobs running simultaneously; they will be run with a _n_i_c_e value of 2,
- and if a job cannot be run because too many other jobs are running _c_r_o_n
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- PPPPaaaaggggeeee 1111
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- QQQQUUUUEEEEUUUUEEEEDDDDEEEEFFFFSSSS((((4444)))) QQQQUUUUEEEEUUUUEEEEDDDDEEEEFFFFSSSS((((4444))))
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- will wait 60 seconds before trying again to run it.
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- FFFFIIIILLLLEEEESSSS
- /usr/lib/cron/queuedefs
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- SSSSEEEEEEEE AAAALLLLSSSSOOOO
- cron(1M)
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- PPPPaaaaggggeeee 2222
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