Changes between Version 134 and Version 135 of ProjectOptions


Ignore:
Timestamp:
Jul 8, 2014, 11:49:14 AM (7 years ago)
Author:
davea
Comment:

--

Legend:

Unmodified
Added
Removed
Modified
  • ProjectOptions

    v134 v135  
    163163These limits are enforced only for 6.12+ clients.
    164164
    165 === Job-cache scheduling ===
    166 The default mechanism is that the feeder (a daemon program) maintains a cache of jobs in shared memory.
    167 Instances of the scheduler get jobs from this cache, reducing their database access overhead.
     165=== Job scheduling ===
     166The default job scheduling mechanism is that the feeder (a daemon program)
     167maintains a cache of jobs in shared memory.
     168Scheduler instances get jobs from this cache, reducing their database access overhead.
    168169
    169170 <shmem_work_items>N</shmem_work_items>::
     
    173174        The size of the feeder's enumeration query.  Default is 200.
    174175
    175 === Matchmaker scheduling ===
    176 This is a variant of job-cache scheduling.
    177 The job selection policy is determined by a "score function"; this highest-scoring jobs are sent to the client.
    178 
    179  <matchmaker>0|1</matchmaker>::
    180         If set, enable matchmaker scheduling.
    181 
    182  <mm_min_slots>N</mm_min_slots>::
    183  <mm_max_slots>N</mm_max_slots>::
    184         Specify the min and max number of jobs to scan for a given client request. Defaults are 20 and 50.
     176 <sched_old>0|1</sched_old>::
     177    Use an old mechanism in which the scheduler scans the cache multiple times,
     178    looking for jobs according to different criteria.
     179    The current mechanism makes a single pass through the cache.
    185180
    186181 <job_size_matching>0|1</job_size_matching>::
    187         If set, include a term in the score function that favors sending large jobs to fast hosts.
    188         To use this, you must run the census program as a periodic task to maintain statistics on the distribution of host speeds.
     182        If set, enabled [MultiSize multi-size applications]; favor sending large jobs to fast hosts.
     183        To use this, you must run the '''size_census.php''' program as a periodic task to maintain statistics on the distribution of host speeds.
    189184
    190185=== Accelerating retries ===