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ChangeSet
1.2659 05/03/04 11:05:59 jon@stripped +1 -0
Cluster chapter: Amended description of
MaxNoOfConcurrentOperations (per Mikael's
comment in email).
Docs/manual.texi
1.2480 05/03/04 11:05:53 jon@stripped +5 -5
Cluster chapter: Amended description of
MaxNoOfConcurrentOperations (per Mikael's
comment in email).
# This is a BitKeeper patch. What follows are the unified diffs for the
# set of deltas contained in the patch. The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User: jon
# Host: gigan.site
# Root: /home/jon/bk/mysqldoc
--- 1.2479/Docs/manual.texi 2005-03-04 09:06:36 +10:00
+++ 1.2480/Docs/manual.texi 2005-03-04 11:05:53 +10:00
@@ -72090,11 +72090,11 @@
performed. These records contain state information needed in order to find UNDO
records for rollback, lock queues, and other purposes.
-This parameter should be set to the number of records to be updated in a single
-transaction, divided by the number of Cluster storage nodes. For example, in a
-cluster which has 4 storage nodes and which is expected to handle 1,000,000
-updates in a single transaction, you should set this value to 1000000 / 4 =
-250000.
+This parameter should be set to the number of records to be updated
+simultaneously in transactions, divided by the number of Cluster storage nodes.
+For example, in a cluster which has 4 storage nodes and which is expected to
+handle 1,000,000 concurrent updates using transactions, you should set this
+value to 1000000 / 4 = 250000.
Read queries which set locks also cause operation records to be created. Some
extra space is allocated in the individual nodes to accomodate cases where the
| Thread |
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| • bk commit - mysqldoc tree (jon:1.2659) | jon | 4 Mar |