Changes between Version 134 and Version 135 of ProjectOptions

Timestamp:

Jul 8, 2014, 11:49:14 AM (10 years ago)

Author:

davea

Comment:

--

ProjectOptions

@@ -163 +163 @@
 These limits are enforced only for 6.12+ clients.
 
-=== Job-cache scheduling ===
-The default mechanism is that the feeder (a daemon program) maintains a cache of jobs in shared memory.
-Instances of the scheduler get jobs from this cache, reducing their database access overhead.
+=== Job scheduling ===
+The default job scheduling mechanism is that the feeder (a daemon program)
+maintains a cache of jobs in shared memory.
+Scheduler instances get jobs from this cache, reducing their database access overhead.
 
  <shmem_work_items>N</shmem_work_items>::
@@ -173 +174 @@
         The size of the feeder's enumeration query.  Default is 200.
 
-=== Matchmaker scheduling ===
-This is a variant of job-cache scheduling.
-The job selection policy is determined by a "score function"; this highest-scoring jobs are sent to the client.
-
- <matchmaker>0|1</matchmaker>::
-        If set, enable matchmaker scheduling.
-
- <mm_min_slots>N</mm_min_slots>::
- <mm_max_slots>N</mm_max_slots>::
-        Specify the min and max number of jobs to scan for a given client request. Defaults are 20 and 50.
+ <sched_old>0|1</sched_old>::
+    Use an old mechanism in which the scheduler scans the cache multiple times,
+    looking for jobs according to different criteria.
+    The current mechanism makes a single pass through the cache.
 
  <job_size_matching>0|1</job_size_matching>::
-        If set, include a term in the score function that favors sending large jobs to fast hosts.
-        To use this, you must run the census program as a periodic task to maintain statistics on the distribution of host speeds.
+        If set, enabled [MultiSize multi-size applications]; favor sending large jobs to fast hosts.
+        To use this, you must run the '''size_census.php''' program as a periodic task to maintain statistics on the distribution of host speeds.
 
 === Accelerating retries ===