tidbit:Oracle:Exadata Wait Events (cell related)

Exadata Wait Events:

NAME                                                             WAIT_CLASS
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cell list of blocks physical read                                User I/O
cell manager cancel work request                                 Other
cell manager closing cell                                        System I/O
cell manager discovering disks                                   System I/O
cell manager opening cell                                        System I/O
cell multiblock physical read                                    User I/O
cell single block physical read                                  User I/O
cell smart file creation                                         User I/O
cell smart flash unkeep                                          Other
cell smart incremental backup                                    System I/O
cell smart index scan                                            User I/O
cell smart restore from backup                                   System I/O
cell smart table scan                                            User I/O
cell statistics gather                                           User I/O
cell worker idle                                                 Idle
cell worker online completion                                    Other
cell worker retry                                                Other