<command>pg_resetwal</command> is unable to determine appropriate values

by reading <filename>pg_control</filename>. Safe values can be determined as

described below. For values that take numeric arguments, hexadecimal

values can be specified by using the prefix <literal>0x</literal>.

values can be specified by using the prefix <literal>0x</literal>. Note

that these instructions only apply with the standard block size of 8 kB.

</para>

<variablelist>

greatest file name in the same directory. The file names are in

hexadecimal.

</para>

<!-- XXX: Should there be a multiplier, similar to the other options? -->

</listitem>

</varlistentry>

names are in hexadecimal, so the easiest way to do this is to specify

the option value in hexadecimal and append four zeroes.

</para>

<!-- 65536 = SLRU_PAGES_PER_SEGMENT * BLCKSZ / sizeof(MultiXactOffset) -->

</listitem>

</varlistentry>

The file names are in hexadecimal. There is no simple recipe such as

the ones for other options of appending zeroes.

</para>

<!-- 52352 = SLRU_PAGES_PER_SEGMENT * floor(BLCKSZ/20) * 4; see multixact.c -->

</listitem>

</varlistentry>

in <filename>pg_xact</filename>, <literal>-u 0x700000</literal> will work (five

trailing zeroes provide the proper multiplier).

</para>

<!-- 1048576 = SLRU_PAGES_PER_SEGMENT * BLCKSZ * CLOG_XACTS_PER_BYTE -->

</listitem>

</varlistentry>

in <filename>pg_xact</filename>, <literal>-x 0x1200000</literal> will work (five

trailing zeroes provide the proper multiplier).

</para>

<!-- 1048576 = SLRU_PAGES_PER_SEGMENT * BLCKSZ * CLOG_XACTS_PER_BYTE -->

</listitem>

</varlistentry>

</variablelist>