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Diffstat (limited to 'test/rep068.tcl')
| -rw-r--r-- | test/rep068.tcl | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/test/rep068.tcl b/test/rep068.tcl new file mode 100644 index 00000000..3f61fbd8 --- /dev/null +++ b/test/rep068.tcl @@ -0,0 +1,206 @@ +# See the file LICENSE for redistribution information. +# +# Copyright (c) 2006-2009 Oracle. All rights reserved. +# +# $Id$ +# +# TEST rep068 +# TEST Verify replication of dbreg operations does not hang clients. +# TEST In a simple replication group, create a database with very +# TEST little data. With DB_TXN_NOSYNC the database can be created +# TEST at the client even though the log is not flushed. If we crash +# TEST and restart, the application of the log starts over again, even +# TEST though the database is still there. The application can open +# TEST the database before replication tries to re-apply the create. +# TEST This causes a hang as replication waits to be able to get a +# TEST handle lock. +# TEST +# TEST Run for btree only because access method shouldn't matter. +# TEST +proc rep068 { method { tnum "068" } args } { + + source ./include.tcl + global repfiles_in_memory + + if { $is_windows9x_test == 1 } { + puts "Skipping replication test on Win9x platform." + return + } + + # Run for btree methods only. + if { $checking_valid_methods } { + set test_methods {} + foreach method $valid_methods { + if { [is_btree $method] } { + lappend test_methods $method + } + } + return $test_methods + } + if { [is_btree $method] == 0 } { + puts "Rep$tnum: skipping for non-btree method." + return + } + + # This test requires a second handle on an env, and HP-UX + # doesn't support that. + if { $is_hp_test } { + puts "Skipping rep$tnum for HP-UX." + return + } + + set args [convert_args $method $args] + set logsets [create_logsets 2] + + set msg2 "and on-disk replication files" + if { $repfiles_in_memory } { + set msg2 "and in-memory replication files" + } + + # Run the body of the test with/without recovery and txn nosync. + foreach s {"nosync" ""} { + foreach r $test_recopts { + foreach l $logsets { + set logindex [lsearch -exact $l "in-memory"] + if { (($r == "-recover") || ($s == "nosync")) + && ($logindex != -1) } { + puts "Skipping test with -recover or\ + nosync for in-memory logs." + continue + } + # Temporary note: at the moment, this test + # fails when both "-recover" and + # "nosync" are in use, because of problems + # described in SR #15071. + if { ($r == "-recover") && ($s == "nosync") } { + puts "Skipping test with -recover or\ + nosync." + continue + } + puts "Rep$tnum ($method $r $s): Test of\ + dbreg lock conflicts at client $msg2." + puts "Rep$tnum: Master logs are [lindex $l 0]" + puts "Rep$tnum: Client logs are [lindex $l 1]" + rep068_sub $method $tnum $l $r $s $args + } + } + } +} + +proc rep068_sub { method tnum logset recargs nosync largs } { + global testdir + global repfiles_in_memory + global rep_verbose + global verbose_type + + set verbargs "" + if { $rep_verbose == 1 } { + set verbargs " -verbose {$verbose_type on} " + } + + set repmemargs "" + if { $repfiles_in_memory } { + set repmemargs "-rep_inmem_files " + } + + set KEY "any old key" + set DATA "arbitrary data" + set DBNAME "test.db" + + set nosync_args [subst {-txn $nosync}] + + env_cleanup $testdir + + replsetup $testdir/MSGQUEUEDIR + + set masterdir $testdir/MASTERDIR + set clientdir $testdir/CLIENTDIR + + file mkdir $masterdir + file mkdir $clientdir + + set m_logtype [lindex $logset 0] + set c_logtype [lindex $logset 1] + + # In-memory logs require a large log buffer, and cannot + # be used with -txn nosync. Adjust the args for master + # and client + # There is no need to adjust txn args for this test since + # the txn args are explicitly set. + set m_logargs [adjust_logargs $m_logtype] + set c_logargs [adjust_logargs $c_logtype] + + # Open a master. + repladd 1 + set ma_envcmd "berkdb_env_noerr -create $m_logargs \ + $verbargs -errpfx MASTER $repmemargs \ + -home $masterdir -rep_transport \[list 1 replsend\]" + set masterenv [eval $ma_envcmd $recargs $nosync_args -rep_master] + + # Open a client + repladd 2 + set cl_envcmd "berkdb_env_noerr -create $c_logargs \ + $verbargs -errpfx CLIENT $repmemargs \ + -home $clientdir -rep_transport \[list 2 replsend\]" + set clientenv [eval $cl_envcmd $recargs $nosync_args -rep_client] + + # Bring the client online by processing the startup messages. + set envlist "{$masterenv 1} {$clientenv 2}" + process_msgs $envlist + + # Open/create a database, maybe put just one record in it + # abandon the client env, and restart it. Before trying to sync, + # open the database at the client. + + set db [berkdb_open_noerr -auto_commit \ + -btree -create -env $masterenv $DBNAME] + set ret [$db put $KEY $DATA] + error_check_good initial_insert $ret 0 + process_msgs $envlist + + # Simulate a crash and restart of the client, by simply abandoning + # the old environment handle and opening a new one. + # + puts "\tRep$tnum.a: Open a fresh handle onto the client env." + set origclientenv $clientenv + set clientenv [eval $cl_envcmd $recargs $nosync_args -rep_client] + set envlist "{$masterenv 1} {$clientenv 2}" + + # We expect the db creation operation to have been flushed to the log, + # so that at this point recovery will have removed the database (since + # we expect the transaction did not commit). But the bug we are testing + # for is that the applying of replicated transactions hangs if the + # database turns out to be present. Thus, for a stringent test, we want + # to at least try to open the database, and "dare ourselves" not to hang + # if it turns out to be present. + # + if {[catch {set client_db [berkdb_open_noerr \ + -auto_commit -unknown -env $clientenv $DBNAME]} result] == 0} { + puts "\t\tRep$tnum.a(ii): warning: db open at restarted client\ + succeeded unexpectedly" + } else { + set client_db "NULL" + } + + puts "\tRep$tnum.b: Attempting sync-up with db handle open." + process_msgs $envlist + puts "\tRep$tnum.c: Sync-up completed." + + if {$client_db == "NULL"} { + set client_db [berkdb_open_noerr \ + -auto_commit -unknown -env $clientenv $DBNAME] + } + set result [$client_db get $KEY] + error_check_good one_pair [llength $result] 1 + set val [lindex $result 0 1] + error_check_good "value still matches" $val $DATA + puts "\tRep$tnum.d: Confirmed correct data." + + $client_db close + $clientenv close + catch { $origclientenv close } res + + $db close + $masterenv close + replclose $testdir/MSGQUEUEDIR +} |