Tom Lane wrote:
Stefan Kaltenbrunner <[EMAIL PROTECTED]> writes:
samples % symbol name
1933314 21.8884 LWLockAcquire
1677808 18.9957 XLogInsert
848227 9.6034 LWLockRelease
414179 4.6892 DoCopy
332633 3.7660 CopyReadLine
266580 3.0181 UnpinBuffer
221693 2.5099 heap_formtuple
I suppose Andrew didn't yet put in the hack to avoid WAL logging
during the COPY commands. The LWLockAcquires are presumably
blocking on WALInsertLock, given that XLogInsert is also right
up there ...
Yes I did. That's what the --truncate-before-load switch does (or should
do).
cheers
andrew
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