A distributed network system comprising - a plurality of information holding devices (DVA, DVB, DVC) comprising at least one first, second and third information holding device, and a log data set, - the first information holding device comprising at least one first processing device and first storing device for storing a plurality of data items, wherein a first synchronization tool is configured for synchronization of a first one of the data items of the first information holding device with a second one of data items of the second information holding device, - the first synchronization tool configured to transmit synchronization information to the log data set containing information indicative of the first one of the data items of the first information holding device and second one of the data items of the second information holding device and associated synchronization information indicative of a time of the synchronization performed by the first synchronization tool, - the second information holding device comprising at least one second processing device and second storing device for storing a plurality of data items, wherein a second synchronization tool is configured for synchronization of the second one of the data items of the second information holding device with a third one of data items of the third information holding device, - the second synchronization tool configured to supplement the log data set with information indicative of the third one of the data items of the third information holding device and associated synchronization information indicative of a time of the synchronization performed by the second synchronization tool, - the third information holding device comprising at least one third processing device and third storing device for storing a plurality of data items, wherein a third synchronization tool is configured for synchronizing the third one of the data items with the second one of the data items, and - the third synchronization tool configured to supplement the log data set with information indicative of a time of the synchronization performed by the third synchronization tool, - and comprising at least one processing device (P1, P2, P3) configured to determine a performance of synchronization of the first through third one of the information holding devices (DVA, DVB, DVC) using the log data set, wherein determining the performance of synchronization includes calculating a turn around time for a completed synchronization of the first through third one of the data items (a10, b23, c762), wherein a particular sequence of the first through third synchronization tools to trigger is determined in accordance with the determined performance of synchronization, so that a high priority data item can be synchronized timely within the distributed network system. - a plurality of information holding devices (DVA, DVB, DVC) comprising at least one first, second and third information holding device, and a log data set, - the first information holding device comprising at least one first processing device and first storing device for storing a plurality of data items, wherein a first synchronization tool is configured for synchronization of a first one of the data items of the first information holding device with a second one of data items of the second information holding device, - the first synchronization tool configured to transmit synchronization information to the log data set containing information indicative of the first one of the data items of the first information holding device and second one of the data items of the second information holding device and associated synchronization information indicative of a time of the synchronization performed by the first synchronization tool, - the second information holding device comprising at least one second processing device and second storing device for storing a plurality of data items, wherein a second synchronization tool is configured for synchronization of the second one of the data items of the second information holding device with a third one of data items of the third information holding device, - the second synchronization tool configured to supplement the log data set with information indicative of the third one of the data items of the third information holding device and associated synchronization information indicative of a time of the synchronization performed by the second synchronization tool, - the third information holding device comprising at least one third processing device and third storing device for storing a plurality of data items, wherein a third synchronization tool is configured for synchronizing the third one of the data items with the second one of the data items, and - the third synchronization tool configured to supplement the log data set with information indicative of a time of the synchronization performed by the third synchronization tool, - and comprising at least one processing device (P1, P2, P3) configured to determine a performance of synchronization of the first through third one of the information holding devices (DVA, DVB, DVC) using the log data set, wherein determining the performance of synchronization includes calculating a turn around time for a completed synchronization of the first through third one of the data items (a10, b23, c762), wherein a particular sequence of the first through third synchronization tools to trigger is determined in accordance with the determined performance of synchronization, so that a high priority data item can be synchronized timely within the distributed network system.