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| The life span of a Google query is less than 1/2 second and took a few steps before we to see the most relevant results. ' here is how everything works. Blogger holds replicas (copies) of the blog in different locations, if you leave a copy if possible — perhaps because only a power cord or loss — blog are still visible. While maintenance is attempting some more aftershocks both add more redundancy (makes the service more robust) and capacity (so we can serve more people more blogs).The procedure requires a period of read-only (no new posts, comments or blogs) while the new replicas added. The procedure seems to smoothly pass and after 10:30 o'clock to provide PDT, only comments, posts and new posts. Then we noticed common targets errors reported and quickly realized that new replicas have missing data. After several hours examining various strategies to data problems we decided to solve, to restore the bloggers in our backup systems. Above all we had to restore data from the backup on our service infrastructure and then had to retrieve all posts, pages, and comments that have been made since the backup was made.While we will remain the backup service to restore, blogger in read only mode for about 10 hours, after which most of the articles to normalcy back. The backup had some inconsistencies, the affect a very small percentage of the items. In addition, the process used to migrate tickets immediately after the restoration has unexpected side-effects, which we before. As soon as we had restored all blogs, we put our energy to eliminate inconsistencies and piecemeal restore posts, pages and comments. This requires detailed work, and we focused, taking care to ensure that those who create more problems. We at blogger buzz about this incident.)Wednesday, May 11 to 10:00 PDT, blogger, enjoyed a period of planned maintenance, repair time, to increase the reliability of the service. Unfortunately, errors in this have opposite period effects. This report describes what we did, what went wrong, as handled and the ’ is done to avoid these problems.We apologize for the impact of this incident on Blogger ’ the authors and readers. We ’ learned a lot in a short time to be treated like the failures of our recovery and care. We have determined that several areas saw ’ to correct and improve the — best better tools to repair inconsistencies in our data warehouse including defensive elements in our software protection against corruption, backup and restore procedures and changes in maintenance procedures, that the first question would have avoided. It has also laid down, how we can communicate with users of the blogger, improve so something like this happening again, which would contain more consistent versions of user forums.During this period, we have received messages from some users, for which we are grateful. Blogger users have passed countless hours of blogging, the amazing, creative, important and personal. These hours were heavily weighed on us, and we apologize for all the fear and frustration that this incident caused some blogger users.We strive to solve problems quickly and tried to make sure that this will give our teachings you do not repeat the problem. ,,.