Adding upstream version 1.37.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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testdata/tcl/memsubsys1.test
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testdata/tcl/memsubsys1.test
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# 2008 June 18
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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# This file contains tests of the memory allocation subsystem
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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sqlite3_reset_auto_extension
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# This test assumes that no page-cache buffers are installed
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# by default when a new database connection is opened. As a result, it
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# will not work with the "memsubsys1" permutation.
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#
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if {[permutation] == "memsubsys1"} {
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finish_test
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return
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}
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test_set_config_pagecache 0 0
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# This procedure constructs a new database in test.db. It fills
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# this database with many small records (enough to force multiple
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# rebalance operations in the btree-layer and to require a large
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# page cache), verifies correct results, then returns.
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#
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proc build_test_db {testname pragmas} {
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catch {db close}
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forcedelete test.db test.db-journal
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sqlite3 db test.db
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sqlite3_db_config_lookaside db 0 0 0
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db eval $pragmas
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db eval {
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CREATE TABLE t1(x, y);
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CREATE TABLE t2(a, b);
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CREATE INDEX i1 ON t1(x,y);
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INSERT INTO t1 VALUES(1, 100);
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INSERT INTO t1 VALUES(2, 200);
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}
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for {set i 2} {$i<5000} {incr i $i} {
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db eval {INSERT INTO t2 SELECT * FROM t1}
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db eval {INSERT INTO t1 SELECT a+$i, a+b*100 FROM t2}
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db eval {DELETE FROM t2}
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}
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do_test $testname.1 {
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db eval {SELECT count(*) FROM t1}
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} 8192
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integrity_check $testname.2
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}
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# Reset all of the highwater marks.
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#
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proc reset_highwater_marks {} {
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sqlite3_status SQLITE_STATUS_MEMORY_USED 1
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sqlite3_status SQLITE_STATUS_MALLOC_SIZE 1
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sqlite3_status SQLITE_STATUS_PAGECACHE_USED 1
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sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 1
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sqlite3_status SQLITE_STATUS_PAGECACHE_SIZE 1
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sqlite3_status SQLITE_STATUS_SCRATCH_USED 1
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sqlite3_status SQLITE_STATUS_SCRATCH_OVERFLOW 1
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sqlite3_status SQLITE_STATUS_SCRATCH_SIZE 1
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sqlite3_status SQLITE_STATUS_PARSER_STACK 1
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}
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set xtra_size 290
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# Test 1: Both PAGECACHE and SCRATCH are shut down.
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#
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db close
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sqlite3_shutdown
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sqlite3_config_lookaside 0 0
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sqlite3_config_pagecache 0 0
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sqlite3_initialize
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reset_highwater_marks
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build_test_db memsubsys1-1 {PRAGMA page_size=1024}
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do_test memsubsys1-1.3 {
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set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
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} 0
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do_test memsubsys1-1.4 {
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set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
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} 0
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set max_pagecache [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
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#show_memstats
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# Test 2: Activate PAGECACHE with 20 pages
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#
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db close
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sqlite3_shutdown
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sqlite3_config_pagecache [expr 1024+$xtra_size] 20
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sqlite3_initialize
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reset_highwater_marks
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build_test_db memsubsys1-2 {PRAGMA page_size=1024; PRAGMA mmap_size=0}
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#show_memstats
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set MEMORY_MANAGEMENT $sqlite_options(memorymanage)
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ifcapable pagecache_overflow_stats {
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ifcapable !malloc_usable_size {
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do_test memsubsys1-2.3 {
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set pg_ovfl [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
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} [expr ($TEMP_STORE>1 || $MEMORY_MANAGEMENT==0)*1024]
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}
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}
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do_test memsubsys1-2.4 {
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set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
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} 20
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do_test memsubsys1-2.5 {
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set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
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} 0
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# Test 3: Activate PAGECACHE with 20 pages but use the wrong page size
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# so that PAGECACHE is not used.
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#
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db close
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sqlite3_shutdown
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sqlite3_config_pagecache [expr 512+$xtra_size] 20
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sqlite3_config singlethread
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sqlite3_initialize
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reset_highwater_marks
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build_test_db memsubsys1-3.1 {PRAGMA page_size=1024}
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do_test memsubsys1-3.1.3 {
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set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
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} 0
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do_test memsubsys1-3.1.4 {
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set overflow [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
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# Note: The measured PAGECACHE_OVERFLOW is amount malloc() returns, not what
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# was requested. System malloc() implementations might (arbitrarily) return
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# slightly different oversize buffers, which can result in slightly different
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# PAGECACHE_OVERFLOW sizes between consecutive runs. So we cannot do an
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# exact comparison. Simply verify that the amount is within 5%.
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expr {$overflow>=$max_pagecache*0.95 && $overflow<=$max_pagecache*1.05}
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} 1
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do_test memsubsys1-3.1.5 {
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set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
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} 0
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db close
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sqlite3_shutdown
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sqlite3_config_pagecache [expr 2048+$xtra_size] 20
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sqlite3_initialize
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reset_highwater_marks
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build_test_db memsubsys1-3.2 {PRAGMA page_size=2048}
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#show_memstats
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do_test memsubsys1-3.2.3 {
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db eval {PRAGMA page_size}
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} 2048
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do_test memsubsys1-3.2.4 {
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set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
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} 20
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do_test memsubsys1-3.2.5 {
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set s_used [lindex [sqlite3_status SQLITE_STATUS_SCRATCH_USED 0] 2]
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} 0
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# Test 4: Activate PAGECACHE
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#
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db close
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sqlite3_shutdown
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sqlite3_config_pagecache [expr 1024+$xtra_size] 50
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sqlite3_initialize
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reset_highwater_marks
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build_test_db memsubsys1-4 {PRAGMA page_size=1024}
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#show_memstats
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do_test memsubsys1-4.3 {
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set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]
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expr {$pg_used>=45 && $pg_used<=50}
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} 1
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do_test memsubsys1-4.4 {
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set pg_ovfl [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
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} 0
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do_test memsubsys1-4.5 {
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set maxreq [lindex [sqlite3_status SQLITE_STATUS_MALLOC_SIZE 0] 2]
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expr {$maxreq<9000}
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} 1
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db close
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sqlite3_shutdown
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sqlite3_config_memstatus 1
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sqlite3_config_lookaside 100 500
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sqlite3_config serialized
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sqlite3_initialize
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autoinstall_test_functions
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test_restore_config_pagecache
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finish_test
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