Some series files which are smaller than the standard
sizes cause SIGBUS in influx_inspect and influxd, because
entry iteration walks onto mapped memory not backed by the
the file. Avoid walking off the end of the file while
iterating series entries in oddly sized files.
closes https://github.com/influxdata/influxdb/issues/24508
Co-authored-by: Geoffrey Wossum <gwossum@influxdata.com>
The batch of writes is almost always larger than the 4096 default
which leads to more write IOs. Increasing to 32k allows the majority
of writes to be handled in one IO.