I have tried to use the developer version 0.5.9. This helps to get the real Byte shown. But the scan result says that the file limit is 150 MB and the backup leaves following error:
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PACKAGE-LOG: 2014-11-27 20:29:20
NOTICE: Do NOT post to public sites or forums
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VERSION: 0.5.9
WORDPRESS: 4.0.1
PHP INFO: 5.6.2 | SAPI: cgi-fcgi
SERVER: Apache/2.2.29 (Unix)
PHP TIME LIMIT: (0) no time limit imposed
PHP MAX MEMORY: 5000M (128M default)
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DATABASE:
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BUILD MODE: PHP
MYSQLDUMP: Is Supported
MYSQLTIMEOUT: 5000
TABLES: total:38 | filtered:0 | create:38
FILTERED: []
wp_commentmeta (373)
wp_comments (51)
wp_duplicator_packages (2)
wp_em_bookings (0)
wp_em_events (82)
wp_em_locations (4)
wp_em_meta (21)
wp_em_tickets (0)
wp_em_tickets_bookings (0)
wp_links (8)
wp_newsletter (2)
wp_newsletter_emails (2)
wp_newsletter_links (0)
wp_newsletter_stats (1)
wp_options (878)
wp_postmeta (5124)
wp_posts (2149)
wp_term_relationships (1331)
wp_term_taxonomy (526)
wp_terms (500)
wp_usermeta (6125)
wp_users (504)
wp_wowslider (4)
wp_wysija_campaign (6)
wp_wysija_campaign_list (6)
wp_wysija_custom_field (0)
wp_wysija_email (7)
wp_wysija_email_user_stat (855)
wp_wysija_email_user_url (116)
wp_wysija_form (1)
wp_wysija_list (2)
wp_wysija_queue (0)
wp_wysija_url (27)
wp_wysija_url_mail (44)
wp_wysija_user (748)
wp_wysija_user_field (2)
wp_wysija_user_history (0)
wp_wysija_user_list (755)
SQL CREATED: 20141127_xxxxxxxxxxxxxxx_54778981545f89127141127202849_database.sql
SQL FILE SIZE: 24.96MB
SQL RUNTIME: 1.97 sec.
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ARCHIVE (ZIP):
********************************************************************************
ARCHIVE DIR: /mnt/webl/b3/66/5833466/htdocs/WP-Xxxxxx
ARCHIVE FILE: 20141127_xxxxxxxxxxxxxxxxx_54778981545f89127141127202849_archive.zip
FILTERS: *OFF*
DIRS: not set
EXTS: not set
----------------------------------------
COMPRESSING
SIZE: 186.46MB
STATS: Dirs 687 | Files 4,761 | Links 0
SQL ADDED: 20141127_xxxxxxxxxxxxxx_54778981545f89127141127202849_database.sql
WARNING: Unable to zip directory: '/mnt/webl/b3/66/5833466/htdocs/WP-Xxxxxx'
ZipArchive Object
(
[status] => 0
[statusSys] => 0
[numFiles] => 5448
[filename] => /mnt/webl/b3/66/5833466/htdocs/WP-Xxxxxx/wp-snapshots/tmp/20141127_xxxxxxxxxxxxxxxx_54778981545f89127141127202849_archive.zip
[comment] =>
)