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276 lines
8.4 KiB
Tcl
276 lines
8.4 KiB
Tcl
# See the file LICENSE for redistribution information.
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#
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# Copyright (c) 2001, 2011 Oracle and/or its affiliates. All rights reserved.
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#
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# $Id$
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#
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# TEST rep066
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# TEST Replication and dead log handles.
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# TEST
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# TEST Run rep_test on master and a client.
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# TEST Simulate client crashes (master continues) until log 2.
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# TEST Open 2nd master env handle and put something in log and flush.
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# TEST Downgrade master, restart client as master.
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# TEST Run rep_test on newmaster until log 2.
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# TEST New master writes log records, newclient processes records
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# TEST and 2nd newclient env handle calls log_flush.
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# TEST New master commits, newclient processes and should succeed.
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# TEST Make sure 2nd handle detects the old log handle and doesn't
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# TEST write to a stale handle (if it does, the processing of the
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# TEST commit will fail).
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#
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proc rep066 { method { niter 10 } { tnum "066" } args } {
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source ./include.tcl
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global databases_in_memory
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global repfiles_in_memory
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global env_private
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# Run for all access methods.
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if { $checking_valid_methods } {
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return "ALL"
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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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# Set up for on-disk or in-memory databases.
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set msg "using on-disk databases"
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if { $databases_in_memory } {
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set msg "using named in-memory databases"
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if { [is_queueext $method] } {
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puts -nonewline "Skipping rep$tnum for method "
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puts "$method with named in-memory databases."
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return
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}
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}
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set msg2 "and on-disk replication files"
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if { $repfiles_in_memory } {
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set msg2 "and in-memory replication files"
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}
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set msg3 ""
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if { $env_private } {
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set msg3 "with private env"
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}
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# Run the body of the test with and without recovery.
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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" && $logindex != -1 } {
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puts "Rep$tnum: Skipping\
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for in-memory logs with -recover."
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continue
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}
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puts "Rep$tnum ($method $r): Replication\
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and dead log handles $msg $msg2 $msg3."
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puts "Rep$tnum: Master logs are [lindex $l 0]"
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puts "Rep$tnum: Client logs are [lindex $l 1]"
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rep066_sub $method $niter $tnum $l $r $args
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}
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}
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}
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proc rep066_sub { method niter tnum logset recargs largs } {
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global testdir
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global databases_in_memory
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global repfiles_in_memory
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global env_private
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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 repmemargs ""
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if { $repfiles_in_memory } {
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set repmemargs "-rep_inmem_files "
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}
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set privargs ""
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if { $env_private == 1 } {
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set privargs " -private "
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}
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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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# Log size is small so we quickly create more than one.
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# The documentation says that the log file must be at least
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# four times the size of the in-memory log buffer.
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set pagesize 4096
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append largs " -pagesize $pagesize "
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set log_max [expr $pagesize * 8]
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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.
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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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set m_txnargs [adjust_txnargs $m_logtype]
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set c_txnargs [adjust_txnargs $c_logtype]
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# Open a master.
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# Later we'll open a 2nd handle to this env.
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repladd 1
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set ma_envcmd "berkdb_env_noerr -create $m_txnargs \
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$repmemargs $privargs \
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$m_logargs -errpfx ENV0 -log_max $log_max $verbargs \
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-home $masterdir -rep_transport \[list 1 replsend\]"
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set env0 [eval $ma_envcmd $recargs -rep_master]
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set masterenv $env0
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# Open a client.
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repladd 2
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set cl_envcmd "berkdb_env_noerr -create $c_txnargs \
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$repmemargs $privargs \
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$c_logargs -errpfx ENV1 -log_max $log_max $verbargs \
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-home $clientdir -rep_transport \[list 2 replsend\]"
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set env1 [eval $cl_envcmd $recargs -rep_client]
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set clientenv $env1
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# Bring the clients online by processing the startup messages.
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set envlist "{$env0 1} {$env1 2}"
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process_msgs $envlist
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# Run a modified test001 in the master (and update clients).
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puts "\tRep$tnum.a.0: Running rep_test in replicated env."
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eval rep_test $method $masterenv NULL $niter 0 0 0 $largs
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process_msgs $envlist
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set nstart $niter
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set last_client_log [get_logfile $env1 last]
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set stop 0
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while { $stop == 0 } {
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puts "\tRep$tnum.b: Run test on master until log file changes."
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eval rep_test\
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$method $masterenv NULL $niter $nstart $nstart 0 $largs
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incr nstart $niter
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replclear 2
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set last_master_log [get_logfile $masterenv last]
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if { $last_master_log > $last_client_log } {
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set stop 1
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}
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}
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# Open a 2nd env handle on the master.
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# We want to have some operations happen on the normal
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# handle and then flush them with this handle.
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puts "\tRep$tnum.c: Open 2nd master env and flush log."
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set 2ndenv [eval $ma_envcmd -rep_master -errpfx 2NDENV]
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error_check_good master_env [is_valid_env $2ndenv] TRUE
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# Set up databases as in-memory or on-disk.
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if { $databases_in_memory } {
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set testfile { "" "test.db" }
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} else {
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set testfile "test.db"
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}
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set omethod [convert_method $method]
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set txn [$masterenv txn]
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error_check_good txn [is_valid_txn $txn $masterenv] TRUE
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set db [eval {berkdb_open_noerr -env $masterenv -errpfx MASTER \
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-txn $txn -create -mode 0644} $largs $omethod $testfile]
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error_check_good dbopen [is_valid_db $db] TRUE
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# Flush on the 2nd handle
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set lf [stat_field $2ndenv log_stat "Times log flushed to disk"]
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error_check_good flush [$2ndenv log_flush] 0
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set lf2 [stat_field $2ndenv log_stat "Times log flushed to disk"]
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error_check_bad log_flush $lf $lf2
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# The detection of dead log handle is based on a 1-second resolution
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# timestamp comparison. Now that we've established the threatening
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# source of the dead handle in $2ndenv, wait a moment to make sure that
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# the fresh handle that we're about to create gets a later timestamp.
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tclsleep 1
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# Resolve the txn and close the database
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error_check_good commit [$txn commit] 0
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error_check_good close [$db close] 0
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# Nuke those messages for client about to become master.
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replclear 2
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puts "\tRep$tnum.d: Swap envs"
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set masterenv $env1
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set clientenv $env0
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error_check_good downgrade [$clientenv rep_start -client] 0
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error_check_good upgrade [$masterenv rep_start -master] 0
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set envlist "{$env0 1} {$env1 2}"
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process_msgs $envlist
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#
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# At this point, env0 should have rolled back across the log file.
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# We need to do some operations on the master, process them on
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# the client (but not a commit because that flushes). We want
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# the message processing client env (env0) to put records in
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# the log buffer and the 2nd env handle to flush the log.
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#
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puts "\tRep$tnum.e: Run test until create new log file."
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#
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# Set this to the last log file the old master had.
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#
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set last_client_log $last_master_log
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set last_master_log [get_logfile $masterenv last]
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set stop 0
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while { $stop == 0 } {
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puts "\tRep$tnum.e: Run test on master until log file changes."
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eval rep_test\
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$method $masterenv NULL $niter $nstart $nstart 0 $largs
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process_msgs $envlist
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incr nstart $niter
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set last_master_log [get_logfile $masterenv last]
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if { $last_master_log == $last_client_log } {
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set stop 1
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}
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}
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puts "\tRep$tnum.f: Create some log records."
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set txn [$masterenv txn]
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error_check_good txn [is_valid_txn $txn $masterenv] TRUE
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set db [eval {berkdb_open_noerr -env $masterenv -errpfx MASTER \
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-txn $txn -create -mode 0644} $largs $omethod $testfile]
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error_check_good dbopen [is_valid_db $db] TRUE
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process_msgs $envlist
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# Flush on the 2nd handle
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puts "\tRep$tnum.g: Flush on 2nd env handle."
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set lf [stat_field $2ndenv log_stat "Times log flushed to disk"]
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error_check_good flush [$2ndenv log_flush] 0
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set lf2 [stat_field $2ndenv log_stat "Times log flushed to disk"]
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error_check_bad log_flush2 $lf $lf2
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# Resolve the txn and close the database
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puts "\tRep$tnum.h: Process commit on client env handle."
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error_check_good commit [$txn commit] 0
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error_check_good close [$db close] 0
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process_msgs $envlist
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error_check_good cl2_close [$2ndenv close] 0
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error_check_good env0_close [$env0 close] 0
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error_check_good env1_close [$env1 close] 0
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replclose $testdir/MSGQUEUEDIR
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return
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}
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