I had a power failure this morning and when i restarted my odb, it took a
few minutes to recover (showing part of the log bellow).
I was wondering if there are any best practices to make the saved data as
safe as possible. I am planning to build a really large database and i
would hate to see it getting corrupted. I wouldn't mind losing data entered
in the past hour or so, as long as the database remains solid.
...
2014-10-24 13:07:55:404 INFO Heap memory is low apply batch of operations
are read from WAL. [OLocalPaginatedStorage]
2014-10-24 13:07:55:529 INFO Heap memory is low apply batch of operations
are read from WAL. [OLocalPaginatedStorage]
2014-10-24 13:07:55:530 INFO 3090000 operations were processed, current LSN
is OLogSequenceNumber{segment=374, position=66069319} last LSN is OLogSequ
enceNumber{segment=375, position=2926558} [OLocalPaginatedStorage]
2014-10-24 13:07:55:702 INFO Heap memory is low apply batch of operations
are read from WAL. [OLocalPaginatedStorage]
2014-10-24 13:07:55:823 INFO Heap memory is low apply batch of operations
are read from WAL. [OLocalPaginatedStorage]
2014-10-24 13:07:55:944 INFO Heap memory is low apply batch of operations
are read from WAL. [OLocalPaginatedStorage]
2014-10-24 13:07:56:132 INFO Heap memory is low apply batch of operations
are read from WAL. [OLocalPaginatedStorage]
2014-10-24 13:07:56:316 INFO Heap memory is low apply batch of operations
are read from WAL. [OLocalPaginatedStorage]
2014-10-24 13:07:56:498 INFO Heap memory is low apply batch of operations
are read from WAL. [OLocalPaginatedStorage]
2014-10-24 13:07:56:645 INFO Heap memory is low apply batch of operations
are read from WAL. [OLocalPaginatedStorage]
2014-10-24 13:07:56:816 INFO Heap memory is low apply batch of operations
are read from WAL. [OLocalPaginatedStorage]
2014-10-24 13:07:56:959 INFO Heap memory is low apply batch of operations
are read from WAL. [OLocalPaginatedStorage]
2014-10-24 13:07:57:115 INFO Heap memory is low apply batch of operations
are read from WAL. [OLocalPaginatedStorage]
2014-10-24 13:07:57:117 INFO 3100000 operations were processed, current LSN
is OLogSequenceNumber{segment=375, position=1466115} last LSN is OLogSeque
nceNumber{segment=375, position=2926558} [OLocalPaginatedStorage]
2014-10-24 13:07:57:336 INFO Heap memory is low apply batch of operations
are read from WAL. [OLocalPaginatedStorage]
2014-10-24 13:07:57:462 INFO Heap memory is low apply batch of operations
are read from WAL. [OLocalPaginatedStorage]
2014-10-24 13:07:57:626 INFO Heap memory is low apply batch of operations
are read from WAL. [OLocalPaginatedStorage]
2014-10-24 13:07:57:752 INFO Heap memory is low apply batch of operations
are read from WAL. [OLocalPaginatedStorage]
2014-10-24 13:07:57:878 INFO Heap memory is low apply batch of operations
are read from WAL. [OLocalPaginatedStorage]
2014-10-24 13:07:57:982 INFO Apply last batch of operations are read from
WAL. [OLocalPaginatedStorage]
2014-10-24 13:07:59:170 INFO Storage data restore was completed
[OLocalPaginatedStorage]
2014-10-24 13:07:59:271 INFO Wait till indexes restore after crash was
finished. [OIndexManagerShared]
2014-10-24 13:07:59:290 INFO Index dictionary is not automatic index and
will be added as is. [OIndexManagerShared$RecreateIndexesTask]
2014-10-24 13:07:59:335 INFO Index dictionary was added in DB index list.
[OIndexManagerShared$RecreateIndexesTask]
2014-10-24 13:07:59:338 INFO Start creation of index OUser.name
[OIndexManagerShared$RecreateIndexesTask]
2014-10-24 13:07:59:584 INFO Index OUser.name was successfully created and
rebuild is going to be started. [OIndexManagerShared$RecreateIndexesTask]
2014-10-24 13:07:59:586 INFO - Rebuilding index bb.OUser.name (estimated 3
items)... [OIndexRebuildOutputListener]
2014-10-24 13:07:59:590 INFO --> OK, indexed 3 items in 5 ms
[OIndexRebuildOutputListener]
2014-10-24 13:07:59:825 INFO Rebuild of OUser.name index was successfully
finished. [OIndexManagerShared$RecreateIndexesTask]
2014-10-24 13:07:59:826 INFO Start creation of index ORole.name
[OIndexManagerShared$RecreateIndexesTask]
2014-10-24 13:07:59:983 INFO Index ORole.name was successfully created and
rebuild is going to be started. [OIndexManagerShared$RecreateIndexesTask]
2014-10-24 13:07:59:984 INFO - Rebuilding index bb.ORole.name (estimated 3
items)... [OIndexRebuildOutputListener]
2014-10-24 13:07:59:988 INFO --> OK, indexed 3 items in 4 ms
[OIndexRebuildOutputListener]
2014-10-24 13:08:00:340 INFO Rebuild of ORole.name index was successfully
finished. [OIndexManagerShared$RecreateIndexesTask]
2014-10-24 13:08:00:494 INFO 3 indexes were restored successfully, 0 errors
[OIndexManagerShared$RecreateIndexesTask]
2014-10-24 13:08:00:495 INFO Indexes restore after crash was finished.
[OIndexManagerShared]
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