Adam Sanchez <a.sanchez75@gmail.com> writes:
> I need to run 2 million queries against a three columns table t
> (s,p,o) which size is 10 billions rows. The data type of each column
> is string. The server has 512G RAM, 32 cores and 14T SSD (RAID 0)
> Only two types of queries:
> select s p o from t where s = param
> select s p o from t where o = param
TBH, this is a pretty silly way to use a SQL database. Put
the probe values into a temporary table (in batches, perhaps)
and do a join. The per-row cost of that sort of approach
will be multiple orders of magnitude smaller than a query
per row.
regards, tom lane
