A toner for electrostatic image development, containing a resin binder containing a polyester, a colorant, and a releasing agent containing an ester wax and a petroleum wax; and a process for preparing a toner for electrostatic image development, including the step of melt-kneading raw materials for the above toner, wherein the melt-kneading step is carried out with an open-roller type kneader. A large flood of incoming messages can bring down messaging brokers by overflowing the message queues, negatively impacting performance of the overall system. The positions of the diaphragm elements are calculated using the determined contours, and then the diaphragm elements are moved into the calculated positions. A nipple 14 is formed around the outer circumference of the connector main body 12. Each semicircular beam has an inside edge comprising a slide rail with a plurality of holes traversing into the inside edge of each semicircular beam. Various aspects of the present invention relate to responding and correcting data corruptions at a data page level for all data page types, as well as to recovery for various scenarios including, without limitation, index page corruptions, data page corruptions, and page corruptions in the log file.