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if the entryCSN is older. Previous patch breaks if writes are
received out of order, e.g. during a refresh.

Howard Chu authored Sep 30, 2020 and Quanah Gibson-Mount committed Sep 30, 2020

This check is only needed for ops received without a CSN in their cookie.
This only occurs when the ops completed out of order on the provider.

Howard Chu authored Sep 30, 2020 and Quanah Gibson-Mount committed Sep 30, 2020

This mostly reverts commit 1915cb96.
Too many concurrency issues. Retains the improvement to
syncprov_sessionlog_cmp

Don't truncate trailing zeroes in reqStart/reqEnd timestamps

Howard Chu authored Sep 24, 2020 and Quanah Gibson-Mount committed Sep 25, 2020

Saves about 20% CPU time and RAM

Howard Chu authored Sep 19, 2020 and Quanah Gibson-Mount committed Sep 25, 2020

Fix logmsg uuidstr.
Shortcut finding start of playback.
Allow dup CSNs in log, but with different UUIDs. All
non-present deletes in a refresh use the same CSN.

Howard Chu authored Sep 16, 2020 and Quanah Gibson-Mount committed Sep 24, 2020

Avoid using sys_errlist unless there's no other choice

Howard Chu authored Sep 23, 2020 and Quanah Gibson-Mount committed Sep 24, 2020

After initial contact, don't exit if a server goes down.
Also, don't wait forever for responses, use a timeout and
mention when a timeout occurs.
Simplify csn/sid handling, we know the max we expect so just
allocate the space in advance and keep a fixed sid to slot
mapping.

Use the correct database entry instead of the frontendDB entry