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#! perl |
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|
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use strict; |
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|
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use AnyEvent; |
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use BDB; |
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|
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our $FH; open $FH, "<&=" . BDB::poll_fileno; |
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our $WATCHER = AnyEvent->io (fh => $FH, poll => 'r', cb => \&BDB::poll_cb); |
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|
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my $env = db_env_create; |
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my $db; |
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|
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warn "i3\n";#d# |
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|
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mkdir "bdtest", 0700; |
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|
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BDB::min_parallel 8; |
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|
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db_env_open |
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$env, |
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"bdtest", |
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BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN | BDB::RECOVER | BDB::USE_ENVIRON | BDB::CREATE, |
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0600; |
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|
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$env->set_flags (BDB::AUTO_COMMIT | BDB::TXN_NOSYNC, 1); |
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|
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$db = db_create $env; |
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db_open $db, undef, "table", undef, BDB::BTREE, BDB::AUTO_COMMIT | BDB::CREATE | BDB::READ_UNCOMMITTED, 0600; |
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|
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for (1..1000) { |
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db_put $db, undef, "key[$_]", "data[$_]"; |
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} |
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|
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my $c = $db->cursor; |
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my @del; |
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|
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for (;;) { |
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db_c_get $c, my $key, my $data, BDB::NEXT; |
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warn "<$!,$key,$data>"; |
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last if $!; |
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push @del, $key if rand > 0.9; |
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} |
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|
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db_c_close $c, sub { }; |
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undef $c; |
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db_del $db, undef, $_ for @del; |
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|
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db_sync $db; |
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