Brad Nicholson <bnichols@ca.afilias.info> writes:
> Cédric BUSCHINI wrote:
>> 1 - "select * from pg_stat_activity ;" gives me serverals lines but
>> all lines have <command string not enable> in current_query
>> I have set "stats_command_string" to true...
>>
> Have you restarted the postmaster since making the change? This setting
> requires restart (reload will not work)

stats_start_collector requires that, but the other stats settings can
be changed on the fly...

regards, tom lane

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