pgpool2.git / summary / log / commit / refs

commit    8448733ea28f3fe2fd256a3eca3128eecd8254a6
Author:   Yoshiyuki Asaba <y-asaba at pgfoundry.org>
Date:     Wed Oct 31 03:31:20 2007 +0000

    pgpool-II 2.0(beta1) release note.


NEWS | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/NEWS b/NEWS index 5019f511f..c42ad03fe 100644 --- a/NEWS +++ b/NEWS @@ -1,3 +1,47 @@ +2.0 (hikitsuboshi) 2007/11/xx + * Version 2.0 + + * Incompatibility since pgpool-II 1.x + - the default value for ignore_leading_white_space is now + true(Yoshiyuki) + + * General + - Allow to reload pgpool.conf(Yoshiyuki) + - The paraser is now compatible with PostgreSQL 8.3(Yoshiyuki) + - Add new directive "failover_command" to specify command when + a node is detached(Yoshiyuki) + - Add new directive "client_idle_limit" to specify the time out since + the last command is arrived from a client(Tatsuo) + + * Replication + - Always start a new transaction even if the query is not in + an explicit transaction to enhance the reliabilty of + replication(Yoshiyuki) + - Enhance the performance of replication for write + queries. Now the worst case is 1/2 compared with single DB + node regardless the number of DB nodes. Previous release + tends to degrade according to the numer of DB + nodes(Yoshiyuki) + - Add "online recovery" which allows to add a DB node and sync + with other DB nodes without stopping the pgpool + server(Yoshiyuki) + - Abort a transaction if INSERT, UPDATE and DELETE reports + different number of result rows(Yoshiyuki) + + x=# update t set a = a + 1; + ERROR: pgpool detected difference of the number of update tuples + HINT: check data consistency between master and other db node + + - If the results from DB nodes do not match, select the + possible correct result by "decide by majority". Previous + release always trust the result of the master DB + node(Yoshiyuki) + - Allow load balance in V2 frontend/backend protocol(Yoshiyuki) + + * Parallel query + - Allow "partial replication" to enhance the performance of + the parallel query(Yoshiharu) + 1.3 (sohiboshi) 2007/10/23 * Version 1.3 * Add new "authentication_timeout" directive, being the default [parent: e72995ee2f9f]