[optim] cache rset column structures
When iterating over large resultsets (lot of colcumns, lot of lines)
to build entities, caching column structure (which attribute or relation
is stored in each column) can improve performance noticeably.
/var/log/cubicweb/*.log {
weekly
missingok
rotate 10
compress
delaycompress
notifempty
create 640 root adm
sharedscripts
postrotate
if [ -x /usr/sbin/invoke-rc.d ]; then \
invoke-rc.d cubicweb reload > /dev/null 2>&1; \
else \
/etc/init.d/cubicweb reload > /dev/null 2>&1; \
fi; \
endscript
}