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378 lines
10 KiB
Tcl
378 lines
10 KiB
Tcl
# See the file LICENSE for redistribution information.
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#
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# Copyright (c) 2005, 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 test114
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# TEST Test database compaction with overflows.
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# TEST
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# TEST Populate a database. Remove a high proportion of entries.
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# TEST Dump and save contents. Compact the database, dump again,
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# TEST and make sure we still have the same contents.
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# TEST Add back some entries, delete more entries (this time by
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# TEST cursor), dump, compact, and do the before/after check again.
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proc test114 { method {nentries 10000} {tnum "114"} args } {
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source ./include.tcl
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global alphabet
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# Compaction is an option for btree, recno, and hash databases.
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if { [is_queue $method] == 1 || [is_heap $method] == 1 } {
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puts "Skipping compaction test$tnum for method $method."
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return
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}
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# Skip for fixed-length methods because we won't encounter
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# overflows.
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if { [is_fixed_length $method] == 1 } {
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puts "Skipping test$tnum for fixed-length method $method."
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return
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}
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# We run with a small page size to force overflows. Skip
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# testing for specified page size.
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set pgindex [lsearch -exact $args "-pagesize"]
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if { $pgindex != -1 } {
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puts "Test$tnum: Skipping for specific pagesize."
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return
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}
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set args [convert_args $method $args]
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set omethod [convert_method $method]
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if { [is_partition_callback $args] == 1 } {
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set nodump 1
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} else {
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set nodump 0
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}
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# If we are using an env, then testfile should just be the db name.
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# Otherwise it is the test directory and the name.
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set txnenv 0
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set eindex [lsearch -exact $args "-env"]
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if { $eindex == -1 } {
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set basename $testdir/test$tnum
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set env NULL
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append args " -cachesize { 0 500000 0 }"
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} else {
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set basename test$tnum
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incr eindex
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set env [lindex $args $eindex]
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set txnenv [is_txnenv $env]
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if { $txnenv == 1 } {
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append args " -auto_commit"
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}
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set testdir [get_home $env]
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}
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puts "Test$tnum: ($method $args) Database compaction with overflows."
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set t1 $testdir/t1
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set t2 $testdir/t2
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set splitopts { "" "-revsplitoff" }
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set txn ""
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if { [is_record_based $method] == 1 } {
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set checkfunc test001_recno.check
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} else {
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set checkfunc test001.check
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}
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cleanup $testdir $env
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foreach splitopt $splitopts {
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set testfile $basename.db
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if { $splitopt == "-revsplitoff" } {
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set testfile $basename.rev.db
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if { [is_record_based $method] == 1 } {
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puts "Skipping\
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-revsplitoff option for method $method."
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continue
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}
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}
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set did [open $dict]
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if { $env != "NULL" } {
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set testdir [get_home $env]
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}
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puts "\tTest$tnum.a: Create and populate database ($splitopt)."
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set pagesize 512
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set db [eval {berkdb_open -create -pagesize $pagesize \
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-mode 0644} $splitopt $args $omethod $testfile]
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error_check_good dbopen [is_valid_db $db] TRUE
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set count 0
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if { $txnenv == 1 } {
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set t [$env txn]
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error_check_good txn [is_valid_txn $t $env] TRUE
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set txn "-txn $t"
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}
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while { [gets $did str] != -1 && $count < $nentries } {
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if { [is_record_based $method] == 1 } {
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set key [expr $count + 1]
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} else {
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set key $str
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}
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set str [repeat $alphabet 100]
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set ret [eval \
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{$db put} $txn {$key [chop_data $method $str]}]
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error_check_good put $ret 0
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incr count
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}
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if { $txnenv == 1 } {
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error_check_good txn_commit [$t commit] 0
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}
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close $did
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error_check_good db_sync [$db sync] 0
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if { $env != "NULL" } {
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set testdir [get_home $env]
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set filename $testdir/$testfile
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} else {
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set filename $testfile
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}
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set size1 [file size $filename]
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set count1 [stat_field $db stat "Page count"]
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puts "\tTest$tnum.b: Delete most entries from database."
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set did [open $dict]
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set count [expr $nentries - 1]
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set n 57
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# Leave every nth item. Since rrecno renumbers, we
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# delete starting at nentries and working down to 0.
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if { $txnenv == 1 } {
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set t [$env txn]
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error_check_good txn [is_valid_txn $t $env] TRUE
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set txn "-txn $t"
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}
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while { [gets $did str] != -1 && $count > 0 } {
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if { [is_record_based $method] == 1 } {
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set key [expr $count + 1]
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} else {
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set key $str
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}
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if { [expr $count % $n] != 0 } {
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set ret [eval {$db del} $txn {$key}]
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error_check_good del $ret 0
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}
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incr count -1
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}
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if { $txnenv == 1 } {
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error_check_good t_commit [$t commit] 0
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}
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error_check_good db_sync [$db sync] 0
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# Now that the delete is done we ought to have a
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# lot of pages on the free list.
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if { [is_hash $method] == 1 } {
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set free1 [stat_field $db stat "Free pages"]
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} else {
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set free1 [stat_field $db stat "Pages on freelist"]
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}
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puts "\tTest$tnum.c: Do a dump_file on contents."
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if { $txnenv == 1 } {
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set t [$env txn]
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error_check_good txn [is_valid_txn $t $env] TRUE
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set txn "-txn $t"
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}
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dump_file $db $txn $t1
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if { $txnenv == 1 } {
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error_check_good txn_commit [$t commit] 0
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}
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puts "\tTest$tnum.d: Compact and verify database."
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for {set commit 0} {$commit <= $txnenv} {incr commit} {
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if { $txnenv == 1 } {
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set t [$env txn]
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error_check_good txn [is_valid_txn $t $env] TRUE
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set txn "-txn $t"
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}
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if {[catch {eval {$db compact} $txn {-freespace}} ret] } {
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error "FAIL: db compact: $ret"
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}
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if { $txnenv == 1 } {
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if { $commit == 0 } {
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puts "\tTest$tnum.d: Aborting."
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error_check_good txn_abort [$t abort] 0
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} else {
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puts "\tTest$tnum.d: Committing."
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error_check_good txn_commit [$t commit] 0
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}
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}
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error_check_good db_sync [$db sync] 0
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error_check_good verify_dir \
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[ verify_dir $testdir "" 0 0 $nodump] 0
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}
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set size2 [file size $filename]
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set count2 [stat_field $db stat "Page count"]
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if { [is_hash $method] == 1 } {
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set free2 [stat_field $db stat "Free pages"]
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} else {
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set free2 [stat_field $db stat "Pages on freelist"]
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}
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# Reduction in on-disk size should be substantial.
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#### We should look at the partitioned files #####
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if { [is_partitioned $args] == 0 } {
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set reduction .80
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error_check_good \
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file_size [expr [expr $size1 * $reduction] > $size2] 1
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}
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# The number of free pages should be reduced
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# now that we've compacted with -freespace.
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error_check_good pages_returned [expr $free1 > $free2] 1
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# Page count should be reduced for all methods except maybe
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# record-based non-queue methods. Even with recno, the
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# page count may not increase.
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error_check_good page_count_reduced [expr $count1 > $count2] 1
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puts "\tTest$tnum.e: Contents are the same after compaction."
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if { $txnenv == 1 } {
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set t [$env txn]
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error_check_good txn [is_valid_txn $t $env] TRUE
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set txn "-txn $t"
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}
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dump_file $db $txn $t2
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if { $txnenv == 1 } {
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error_check_good txn_commit [$t commit] 0
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}
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if { [is_hash $method] != 0 } {
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filesort $t1 $t1.sort
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filesort $t2 $t2.sort
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error_check_good filecmp [filecmp $t1.sort $t2.sort] 0
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} else {
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error_check_good filecmp [filecmp $t1 $t2] 0
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}
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puts "\tTest$tnum.f: Add more entries to database."
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# Use integers as keys instead of strings, just to mix it up
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# a little.
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if { $txnenv == 1 } {
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set t [$env txn]
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error_check_good txn [is_valid_txn $t $env] TRUE
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set txn "-txn $t"
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}
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for { set i 1 } { $i < $nentries } { incr i } {
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set key $i
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set str [repeat $alphabet 100]
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set ret [eval \
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{$db put} $txn {$key [chop_data $method $str]}]
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error_check_good put $ret 0
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}
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if { $txnenv == 1 } {
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error_check_good t_commit [$t commit] 0
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}
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error_check_good db_sync [$db sync] 0
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set size3 [file size $filename]
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set count3 [stat_field $db stat "Page count"]
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puts "\tTest$tnum.g: Remove more entries, this time by cursor."
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set count 0
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if { $txnenv == 1 } {
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set t [$env txn]
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error_check_good txn [is_valid_txn $t $env] TRUE
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set txn "-txn $t"
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}
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set dbc [eval {$db cursor} $txn]
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# Leave every nth item.
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for { set dbt [$dbc get -first] } { [llength $dbt] > 0 }\
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{ set dbt [$dbc get -next] ; incr count } {
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if { [expr $count % $n] != 0 } {
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error_check_good dbc_del [$dbc del] 0
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}
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}
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error_check_good cursor_close [$dbc close] 0
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if { $txnenv == 1 } {
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error_check_good t_commit [$t commit] 0
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}
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error_check_good db_sync [$db sync] 0
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if { [is_hash $method] == 1 } {
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set free3 [stat_field $db stat "Free pages"]
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} else {
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set free3 [stat_field $db stat "Pages on freelist"]
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}
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puts "\tTest$tnum.h: Save contents."
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if { $txnenv == 1 } {
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set t [$env txn]
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error_check_good txn [is_valid_txn $t $env] TRUE
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set txn "-txn $t"
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}
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dump_file $db $txn $t1
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if { $txnenv == 1 } {
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error_check_good t_commit [$t commit] 0
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}
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puts "\tTest$tnum.i: Compact and verify database again."
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for {set commit 0} {$commit <= $txnenv} {incr commit} {
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if { $txnenv == 1 } {
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set t [$env txn]
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error_check_good txn [is_valid_txn $t $env] TRUE
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set txn "-txn $t"
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}
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if {[catch {eval {$db compact} $txn {-freespace}} ret] } {
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error "FAIL: db compact: $ret"
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}
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if { $txnenv == 1 } {
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if { $commit == 0 } {
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puts "\tTest$tnum.i: Aborting."
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error_check_good txn_abort [$t abort] 0
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} else {
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puts "\tTest$tnum.i: Committing."
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error_check_good txn_commit [$t commit] 0
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}
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}
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error_check_good db_sync [$db sync] 0
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error_check_good verify_dir \
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[ verify_dir $testdir "" 0 0 $nodump] 0
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}
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set size4 [file size $filename]
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set count4 [stat_field $db stat "Page count"]
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if { [is_hash $method] == 1 } {
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set free4 [stat_field $db stat "Free pages"]
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} else {
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set free4 [stat_field $db stat "Pages on freelist"]
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}
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#### We should look at the partitioned files #####
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if { [is_partitioned $args] == 0 } {
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error_check_good \
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file_size [expr [expr $size3 * $reduction] > $size4] 1
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}
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error_check_good pages_returned [expr $free3 > $free4] 1
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error_check_good \
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page_count_reduced [expr $count3 > $count4] 1
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puts "\tTest$tnum.j: Contents are the same after compaction."
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if { $txnenv == 1 } {
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set t [$env txn]
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error_check_good txn [is_valid_txn $t $env] TRUE
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set txn "-txn $t"
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}
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dump_file $db $txn $t2
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if { $txnenv == 1 } {
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error_check_good t_commit [$t commit] 0
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}
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if { [is_hash $method] != 0 } {
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filesort $t1 $t1.sort
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filesort $t2 $t2.sort
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error_check_good filecmp [filecmp $t1.sort $t2.sort] 0
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} else {
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error_check_good filecmp [filecmp $t1 $t2] 0
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}
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error_check_good db_close [$db close] 0
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close $did
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}
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}
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