Look at this :
Archiving was last executed without error 8 heures 18 min ago
So cron job doesn’t work, does it??
[2012-04-03 03:47:03] [634bf82a] [8.79 Mb] ---------------------------
[2012-04-03 03:47:03] [634bf82a] [8.79 Mb] INIT
[2012-04-03 03:47:03] [634bf82a] [8.79 Mb] Querying Piwik API at: http://stats.tdconcepts.net/misc/cron/../../index.php
[2012-04-03 03:47:03] [634bf82a] [8.79 Mb] Running as Super User: admin
[2012-04-03 03:47:03] [634bf82a] [8.94 Mb] Notes
[2012-04-03 03:47:03] [634bf82a] [8.94 Mb] - Reports for today will be processed at most every 3600 seconds. You can change this value in Piwik UI > Settings > General Settings.
[2012-04-03 03:47:03] [634bf82a] [8.94 Mb] - Reports for the current week/month/year will be refreshed at most every 3600 seconds.
[2012-04-03 03:47:03] [634bf82a] [8.94 Mb] - Archiving was last executed without error 8 heures 18 min ago
[2012-04-03 03:47:03] [634bf82a] [9.09 Mb] Will process 4 websites with new visits since 8 heures 18 min , IDs: 3, 7, 10, 11
[2012-04-03 03:47:03] [634bf82a] [9.09 Mb] Will process 7 other websites because the last time they were archived was on a different day (in the website's timezone) , IDs: 1, 2, 4, 5, 6, 8, 9
[2012-04-03 03:47:03] [634bf82a] [9.08 Mb] ---------------------------
[2012-04-03 03:47:03] [634bf82a] [9.08 Mb] START
[2012-04-03 03:47:03] [634bf82a] [9.08 Mb] Starting Piwik reports archiving...
[2012-04-03 03:47:03] [634bf82a] [9.08 Mb] Archived website id = 3, period = day, Time elapsed: 0.348s
[2012-04-03 03:47:04] [634bf82a] [9.09 Mb] Archived website id = 3, period = week, 5 visits, Time elapsed: 0.528s
[2012-04-03 03:47:04] [634bf82a] [9.09 Mb] Archived website id = 3, period = month, 5 visits, Time elapsed: 0.485s
[2012-04-03 03:47:05] [634bf82a] [9.09 Mb] Archived website id = 3, period = year, 5 visits, Time elapsed: 0.491s
[2012-04-03 03:47:05] [634bf82a] [9.08 Mb] Archived website id = 3, today = 0 visits, 4 API requests, Time elapsed: 1.853s [1/11 done]
[2012-04-03 03:47:05] [634bf82a] [9.08 Mb] Archived website id = 7, period = day, Time elapsed: 0.362s
[2012-04-03 03:47:06] [634bf82a] [9.09 Mb] Archived website id = 7, period = week, 12 visits, Time elapsed: 0.437s
[2012-04-03 03:47:06] [634bf82a] [9.09 Mb] Archived website id = 7, period = month, 12 visits, Time elapsed: 0.412s
[2012-04-03 03:47:06] [634bf82a] [9.09 Mb] Archived website id = 7, period = year, 12 visits, Time elapsed: 0.321s
[2012-04-03 03:47:06] [634bf82a] [9.08 Mb] Archived website id = 7, today = 2 visits, 4 API requests, Time elapsed: 1.533s [2/11 done]
[2012-04-03 03:47:07] [634bf82a] [9.08 Mb] Archived website id = 10, period = day, Time elapsed: 0.356s
[2012-04-03 03:47:07] [634bf82a] [9.09 Mb] Archived website id = 10, period = week, 9 visits, Time elapsed: 0.335s
[2012-04-03 03:47:08] [634bf82a] [9.09 Mb] Archived website id = 10, period = month, 9 visits, Time elapsed: 0.409s
[2012-04-03 03:47:08] [634bf82a] [9.09 Mb] Archived website id = 10, period = year, 9 visits, Time elapsed: 0.316s
[2012-04-03 03:47:08] [634bf82a] [9.08 Mb] Archived website id = 10, today = 3 visits, 4 API requests, Time elapsed: 1.417s [3/11 done]
[2012-04-03 03:47:08] [634bf82a] [9.08 Mb] Archived website id = 11, period = day, Time elapsed: 0.271s
[2012-04-03 03:47:08] [634bf82a] [9.09 Mb] Archived website id = 11, period = week, 75 visits, Time elapsed: 0.292s
[2012-04-03 03:47:09] [634bf82a] [9.09 Mb] Archived website id = 11, period = month, 75 visits, Time elapsed: 0.485s
[2012-04-03 03:47:09] [634bf82a] [9.09 Mb] Archived website id = 11, period = year, 75 visits, Time elapsed: 0.251s
[2012-04-03 03:47:09] [634bf82a] [9.08 Mb] Archived website id = 11, today = 3 visits, 4 API requests, Time elapsed: 1.300s [4/11 done]
[2012-04-03 03:47:10] [634bf82a] [9.08 Mb] Archived website id = 1, period = day, Time elapsed: 0.347s
[2012-04-03 03:47:10] [634bf82a] [9.09 Mb] Archived website id = 1, period = week, 1 visits, Time elapsed: 0.239s
[2012-04-03 03:47:10] [634bf82a] [9.09 Mb] Archived website id = 1, period = month, 1 visits, Time elapsed: 0.326s
[2012-04-03 03:47:12] [634bf82a] [9.09 Mb] Archived website id = 1, period = year, 1 visits, Time elapsed: 1.528s
[2012-04-03 03:47:12] [634bf82a] [9.08 Mb] Archived website id = 1, today = 0 visits, 4 API requests, Time elapsed: 2.441s [5/11 done]
[2012-04-03 03:47:12] [634bf82a] [9.09 Mb] Archived website id = 2, period = day, Time elapsed: 0.160s
[2012-04-03 03:47:12] [634bf82a] [9.09 Mb] Archived website id = 2, period = week, 1 visits, Time elapsed: 0.359s
[2012-04-03 03:47:12] [634bf82a] [9.09 Mb] Archived website id = 2, period = month, 1 visits, Time elapsed: 0.311s
[2012-04-03 03:47:13] [634bf82a] [9.09 Mb] Archived website id = 2, period = year, 1 visits, Time elapsed: 0.362s
[2012-04-03 03:47:13] [634bf82a] [9.08 Mb] Archived website id = 2, today = 0 visits, 4 API requests, Time elapsed: 1.197s [6/11 done]
[2012-04-03 03:47:13] [634bf82a] [9.09 Mb] Archived website id = 4, period = day, Time elapsed: 0.337s
[2012-04-03 03:47:14] [634bf82a] [9.09 Mb] Archived website id = 4, period = week, 4 visits, Time elapsed: 0.345s
[2012-04-03 03:47:14] [634bf82a] [9.09 Mb] Archived website id = 4, period = month, 4 visits, Time elapsed: 0.405s
[2012-04-03 03:47:14] [634bf82a] [9.09 Mb] Archived website id = 4, period = year, 4 visits, Time elapsed: 0.373s
[2012-04-03 03:47:14] [634bf82a] [9.08 Mb] Archived website id = 4, today = 0 visits, 4 API requests, Time elapsed: 1.460s [7/11 done]
[2012-04-03 03:47:14] [634bf82a] [9.09 Mb] Archived website id = 5, period = day, Time elapsed: 0.144s
[2012-04-03 03:47:15] [634bf82a] [9.09 Mb] Archived website id = 5, period = week, 0 visits, Time elapsed: 0.192s
[2012-04-03 03:47:15] [634bf82a] [9.09 Mb] Archived website id = 5, period = month, 0 visits, Time elapsed: 0.246s
[2012-04-03 03:47:15] [634bf82a] [9.09 Mb] Archived website id = 5, period = year, 0 visits, Time elapsed: 0.195s
[2012-04-03 03:47:15] [634bf82a] [9.09 Mb] Archived website id = 5, today = 0 visits, 4 API requests, Time elapsed: 0.778s [8/11 done]
[2012-04-03 03:47:15] [634bf82a] [9.09 Mb] Archived website id = 6, period = day, Time elapsed: 0.147s
[2012-04-03 03:47:15] [634bf82a] [9.10 Mb] Archived website id = 6, period = week, 0 visits, Time elapsed: 0.212s
[2012-04-03 03:47:16] [634bf82a] [9.09 Mb] Archived website id = 6, period = month, 0 visits, Time elapsed: 0.202s
[2012-04-03 03:47:16] [634bf82a] [9.09 Mb] Archived website id = 6, period = year, 0 visits, Time elapsed: 0.203s
[2012-04-03 03:47:16] [634bf82a] [9.09 Mb] Archived website id = 6, today = 0 visits, 4 API requests, Time elapsed: 0.765s [9/11 done]
[2012-04-03 03:47:16] [634bf82a] [9.09 Mb] Archived website id = 8, period = day, Time elapsed: 0.329s
[2012-04-03 03:47:17] [634bf82a] [9.10 Mb] Archived website id = 8, period = week, 2 visits, Time elapsed: 0.423s
[2012-04-03 03:47:17] [634bf82a] [9.09 Mb] Archived website id = 8, period = month, 2 visits, Time elapsed: 0.441s
[2012-04-03 03:47:17] [634bf82a] [9.09 Mb] Archived website id = 8, period = year, 2 visits, Time elapsed: 0.366s
[2012-04-03 03:47:17] [634bf82a] [9.09 Mb] Archived website id = 8, today = 0 visits, 4 API requests, Time elapsed: 1.560s [10/11 done]
[2012-04-03 03:47:18] [634bf82a] [9.09 Mb] Archived website id = 9, period = day, Time elapsed: 0.222s
[2012-04-03 03:47:18] [634bf82a] [9.10 Mb] Archived website id = 9, period = week, 0 visits, Time elapsed: 0.214s
[2012-04-03 03:47:18] [634bf82a] [9.09 Mb] Archived website id = 9, period = month, 0 visits, Time elapsed: 0.195s
[2012-04-03 03:47:18] [634bf82a] [9.09 Mb] Archived website id = 9, period = year, 0 visits, Time elapsed: 0.223s
[2012-04-03 03:47:18] [634bf82a] [9.09 Mb] Archived website id = 9, today = 0 visits, 4 API requests, Time elapsed: 0.855s [11/11 done]
[2012-04-03 03:47:18] [634bf82a] [9.09 Mb] Done archiving!
[2012-04-03 03:47:18] [634bf82a] [9.09 Mb] ---------------------------
[2012-04-03 03:47:18] [634bf82a] [9.09 Mb] SUMMARY
[2012-04-03 03:47:18] [634bf82a] [9.09 Mb] Total daily visits archived: 8
[2012-04-03 03:47:18] [634bf82a] [9.09 Mb] Archived today's reports for 11 websites
[2012-04-03 03:47:18] [634bf82a] [9.09 Mb] Archived week/month/year for 11 websites.
[2012-04-03 03:47:18] [634bf82a] [9.09 Mb] Skipped 0 websites: no new visit since the last script execution
[2012-04-03 03:47:18] [634bf82a] [9.09 Mb] Skipped 0 websites day archiving: existing daily reports are less than 3600 seconds old
[2012-04-03 03:47:18] [634bf82a] [9.09 Mb] Skipped 0 websites week/month/year archiving: existing periods reports are less than 3600 seconds old
[2012-04-03 03:47:18] [634bf82a] [9.09 Mb] Total API requests: 44
[2012-04-03 03:47:18] [634bf82a] [9.09 Mb] done: 11/11 100%, 8 v, 11 wtoday, 11 wperiods, 44 req, 15160 ms, no error
[2012-04-03 03:47:18] [634bf82a] [9.09 Mb] Time elapsed: 15.161s
[2012-04-03 03:47:18] [634bf82a] [9.09 Mb] ---------------------------
[2012-04-03 03:47:18] [634bf82a] [9.09 Mb] SCHEDULED TASKS
[2012-04-03 03:47:18] [634bf82a] [9.09 Mb] Starting Scheduled tasks...
[2012-04-03 03:47:19] [634bf82a] [9.09 Mb] task,output Piwik_CoreAdminHome.optimizeArchiveTable,Time elapsed: 0.053s Piwik_PDFReports.dailySchedule,Time elapsed: 0.037s Piwik_PrivacyManager.deleteLogTables,Time elapsed: 0.000s
[2012-04-03 03:47:19] [634bf82a] [9.09 Mb] done