Import BSDDB 4.7.25 (as of svn r89086)
This commit is contained in:
Zachary Ware
195
test/rep068.tcl
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195
test/rep068.tcl
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# See the file LICENSE for redistribution information.
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#
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# Copyright (c) 2006,2008 Oracle. All rights reserved.
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#
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# $Id: rep068.tcl,v 1.13 2008/01/08 20:58:53 bostic Exp $
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#
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# TEST rep068
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# TEST Verify replication of dbreg operations does not hang clients.
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# TEST In a simple replication group, create a database with very
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# TEST little data. With DB_TXN_NOSYNC the database can be created
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# TEST at the client even though the log is not flushed. If we crash
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# TEST and restart, the application of the log starts over again, even
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# TEST though the database is still there. The application can open
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# TEST the database before replication tries to re-apply the create.
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# TEST This causes a hang as replication waits to be able to get a
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# TEST handle lock.
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# TEST
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# TEST Run for btree only because access method shouldn't matter.
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# TEST
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proc rep068 { method { tnum "068" } args } {
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source ./include.tcl
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if { $is_windows9x_test == 1 } {
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puts "Skipping replication test on Win9x platform."
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return
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}
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# Run for btree methods only.
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if { $checking_valid_methods } {
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set test_methods {}
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foreach method $valid_methods {
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if { [is_btree $method] } {
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lappend test_methods $method
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}
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}
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return $test_methods
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}
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if { [is_btree $method] == 0 } {
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puts "Rep$tnum: skipping for non-btree method."
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return
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}
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# This test requires a second handle on an env, and HP-UX
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# doesn't support that.
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if { $is_hp_test } {
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puts "Skipping rep$tnum for HP-UX."
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return
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}
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set args [convert_args $method $args]
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set logsets [create_logsets 2]
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# Run the body of the test with/without recovery and txn nosync.
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foreach s {"nosync" ""} {
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foreach r $test_recopts {
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foreach l $logsets {
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set logindex [lsearch -exact $l "in-memory"]
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if { (($r == "-recover") || ($s == "nosync"))
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&& ($logindex != -1) } {
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puts "Skipping test with -recover or\
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nosync for in-memory logs."
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continue
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}
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# Temporary note: at the moment, this test
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# fails when both "-recover" and
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# "nosync" are in use, because of problems
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# described in SR #15071.
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if { ($r == "-recover") && ($s == "nosync") } {
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puts "Skipping test with -recover or\
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nosync."
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continue
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}
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puts "Rep$tnum ($method $r $s):\
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Test of dbreg lock conflicts at client"
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puts "Rep$tnum: Master logs are [lindex $l 0]"
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puts "Rep$tnum: Client logs are [lindex $l 1]"
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rep068_sub $method $tnum $l $r $s $args
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}
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}
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}
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}
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proc rep068_sub { method tnum logset recargs nosync largs } {
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global testdir
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global rep_verbose
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global verbose_type
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set verbargs ""
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if { $rep_verbose == 1 } {
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set verbargs " -verbose {$verbose_type on} "
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}
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set KEY "any old key"
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set DATA "arbitrary data"
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set DBNAME "test.db"
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set nosync_args [subst {-txn $nosync}]
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env_cleanup $testdir
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replsetup $testdir/MSGQUEUEDIR
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set masterdir $testdir/MASTERDIR
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set clientdir $testdir/CLIENTDIR
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file mkdir $masterdir
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file mkdir $clientdir
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set m_logtype [lindex $logset 0]
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set c_logtype [lindex $logset 1]
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# In-memory logs require a large log buffer, and cannot
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# be used with -txn nosync. Adjust the args for master
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# and client
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# There is no need to adjust txn args for this test since
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# the txn args are explicitly set.
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set m_logargs [adjust_logargs $m_logtype]
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set c_logargs [adjust_logargs $c_logtype]
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# Open a master.
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repladd 1
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set ma_envcmd "berkdb_env_noerr -create $m_logargs \
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$verbargs -errpfx MASTER \
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-home $masterdir -rep_transport \[list 1 replsend\]"
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set masterenv [eval $ma_envcmd $recargs $nosync_args -rep_master]
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# Open a client
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repladd 2
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set cl_envcmd "berkdb_env_noerr -create $c_logargs \
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$verbargs -errpfx CLIENT \
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-home $clientdir -rep_transport \[list 2 replsend\]"
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set clientenv [eval $cl_envcmd $recargs $nosync_args -rep_client]
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# Bring the client online by processing the startup messages.
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set envlist "{$masterenv 1} {$clientenv 2}"
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process_msgs $envlist
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# Open/create a database, maybe put just one record in it
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# abandon the client env, and restart it. Before trying to sync,
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# open the database at the client.
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set db [berkdb_open_noerr -auto_commit \
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-btree -create -env $masterenv $DBNAME]
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set ret [$db put $KEY $DATA]
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error_check_good initial_insert $ret 0
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process_msgs $envlist
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# Simulate a crash and restart of the client, by simply abandoning
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# the old environment handle and opening a new one.
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#
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puts "\tRep$tnum.a: Open a fresh handle onto the client env."
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set origclientenv $clientenv
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set clientenv [eval $cl_envcmd $recargs $nosync_args -rep_client]
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set envlist "{$masterenv 1} {$clientenv 2}"
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# We expect the db creation operation to have been flushed to the log,
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# so that at this point recovery will have removed the database (since
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# we expect the transaction did not commit). But the bug we are testing
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# for is that the applying of replicated transactions hangs if the
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# database turns out to be present. Thus, for a stringent test, we want
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# to at least try to open the database, and "dare ourselves" not to hang
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# if it turns out to be present.
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#
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if {[catch {set client_db [berkdb_open_noerr \
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-auto_commit -unknown -env $clientenv $DBNAME]} result] == 0} {
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puts "\t\tRep$tnum.a(ii): warning: db open at restarted client\
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succeeded unexpectedly"
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} else {
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set client_db "NULL"
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}
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puts "\tRep$tnum.b: Attempting sync-up with db handle open."
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process_msgs $envlist
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puts "\tRep$tnum.c: Sync-up completed."
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if {$client_db == "NULL"} {
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set client_db [berkdb_open_noerr \
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-auto_commit -unknown -env $clientenv $DBNAME]
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}
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set result [$client_db get $KEY]
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error_check_good one_pair [llength $result] 1
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set val [lindex $result 0 1]
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error_check_good "value still matches" $val $DATA
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puts "\tRep$tnum.d: Confirmed correct data."
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$client_db close
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$clientenv close
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catch { $origclientenv close } res
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$db close
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$masterenv close
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replclose $testdir/MSGQUEUEDIR
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}
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