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Diffstat (limited to 'lib/mnesia/doc/src/Mnesia_chap7.xmlsrc')
| -rw-r--r-- | lib/mnesia/doc/src/Mnesia_chap7.xmlsrc | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/mnesia/doc/src/Mnesia_chap7.xmlsrc b/lib/mnesia/doc/src/Mnesia_chap7.xmlsrc index 7078499fbf..ae41a216f4 100644 --- a/lib/mnesia/doc/src/Mnesia_chap7.xmlsrc +++ b/lib/mnesia/doc/src/Mnesia_chap7.xmlsrc @@ -4,7 +4,7 @@ <chapter> <header> <copyright> - <year>1997</year><year>2009</year> + <year>1997</year><year>2011</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -473,6 +473,13 @@ dets:close(N). </pre> <c>mnesia:table_info(Tab, master_nodes)</c> may be used to obtain information about the potential master nodes. </p> + <p>Determining which data to keep after communication failure is outside + the scope of Mnesia. One approach would be to determine which "island" + contains a majority of the nodes. Using the <c>{majority,true}</c> option + for critical tables can be a way of ensuring that nodes that are not part + of a "majority island" are not able to update those tables. Note that this + constitutes a reduction in service on the minority nodes. This would be + a tradeoff in favour of higher consistency guarantees.</p> <p>The function <c>mnesia:force_load_table(Tab)</c> may be used to force load the table regardless of which table load mechanism is activated. |