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384 lines
10 KiB
Tcl
384 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 test111
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# TEST Test database compaction.
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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 test111 { method {nentries 10000} {tnum "111"} args } {
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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 $method] == 1} {
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puts "Skipping test$tnum for method $method."
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return
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}
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# If a page size was specified, find out what it is. Pages
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# might not be freed in the case of really large pages (64K)
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# but we still want to run this test just to make sure
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# nothing funny happens.
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set pagesize 0
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set pgindex [lsearch -exact $args "-pagesize"]
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if { $pgindex != -1 } {
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incr pgindex
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set pagesize [lindex $args $pgindex]
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}
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source ./include.tcl
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global rand_init
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error_check_good set_random_seed [berkdb srand $rand_init] 0
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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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} 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."
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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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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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cleanup $testdir $env
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puts "\tTest$tnum.a: Create and populate database ($splitopt)."
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set db [eval {berkdb_open -create \
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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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global kvals
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if { [is_record_based $method] == 1 } {
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set key [expr $count + 1]
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set kvals($key) [pad_data $method $str]
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} else {
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set key $str
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set str [reverse $str]
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}
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set ret [eval \
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{$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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# Record the file size and page count. Both will
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# be reduced by compaction.
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set size1 [file size $filename]
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set count1 [stat_field $db stat "Page count"]
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# Delete between 1 and maxdelete items, then skip over between
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# 1 and maxskip items. This is to make the data bunchy,
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# so we sometimes follow the code path where merging is
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# done record by record, and sometimes the path where
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# the whole page is merged at once.
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puts "\tTest$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 maxskip 4
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set maxdelete 48
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# Since rrecno and rbtree renumber, we delete starting at
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# 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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# Delete a random number of successive items.
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set ndeletes [berkdb random_int 1 $maxdelete]
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set target [expr $count - $ndeletes]
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while { [expr $count > $target] && $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 [gets $did]
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}
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set ret [eval {$db del} $txn {$key}]
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error_check_good del $ret 0
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incr count -1
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}
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# Skip over a random smaller number of items.
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set skip [berkdb random_int 1 [expr $maxskip]]
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set target [expr $count - $skip]
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while { [expr $count > $target] && $count > 0 } {
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incr count -1
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}
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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 [$db sync] 0
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puts "\tTest$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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# Now check for reduction in page count and file size.
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error_check_good pages_freed [expr $count1 > $count2] 1
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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 .96
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error_check_good \
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file_size [expr [expr $size1 * $reduction] > $size2] 1
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}
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puts "\tTest$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] == 1 } {
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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 $i
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set ret [eval \
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{$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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# Delete all items except those evenly divisible by
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# $maxdelete -- so the db is nearly empty.
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for { set dbt [$dbc get -first] } { [llength $dbt] > 0 }\
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{ set dbt [$dbc get -next] ; incr count } {
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if { [expr $count % $maxdelete] != 0 } {
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error_check_good dbc_del [$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 [$db sync] 0
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puts "\tTest$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.i1: 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.i2: 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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# Check for page count and file size reduction.
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#
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# Identify cases where we don't expect much reduction in
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# size, for example hash with large pagesizes.
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#
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#### We should look at the partitioned files #####
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set test_filesize 1
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if { [is_partitioned $args] } {
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set test_filesize 0
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}
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if { [is_hash $method] && $pagesize == 65536 } {
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set test_filesize 0
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}
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# Test for reduced file size where expected. In cases where
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# we don't expect much (if any) reduction, verify that at
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# least the file size hasn't increased.
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if { $test_filesize == 1 } {
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error_check_good file_size_reduced \
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[expr [expr $size3 * $reduction] > $size4] 1
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error_check_good pages_freed [expr $count3 > $count4] 1
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} else {
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error_check_good file_size [expr $size3 >= $size4] 1
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error_check_good pages_freed [expr $count3 >= $count4] 1
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}
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puts "\tTest$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] == 1 } {
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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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