I would ask this on the jdbc mailling list. They might know. ---------------------------------------------------------------------------
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anon permutation wrote: > > Hi, > > I have just upgraded our db from 7.4.2 to 8.0.1 and we are doing some > testing. For some reason, we have discovered that our application performs > much slower on 8.0.1. > > My initial reaction was to turn on log_min_duration_statement to see what's > happening. However, log_min_duration_statement does not work for JDBC > clients in 8.0.1. > > As a result, I modified log_statement to all. Without my application doing > anything, I see statements below being executed non-stop. Who is triggering > these statemetns? Is this normal? What am I doing wrong? > > I am using Fedora Core 1 - Kernel: 2.4.22-1.2174.nptl > > Please help. Thanks. > > > > > 2005-04-04 18:05:00 CST PARSELOG: statement: SELECT attnotnull FROM > pg_catalog.pg_attribute WHERE attrelid = $1 AND attnum = $2 > 2005-04-04 18:05:00 CST PARSELOG: statement: SELECT def.adsrc FROM > pg_catalog.pg_class c JOIN pg_catalog.pg_attribute a ON (a.attrelid=c.oid > ) LEFT JOIN pg_catalog.pg_attrdef def ON (a.attrelid=def.adrelid AND > a.attnum = def.adnum) WHERE c.oid = $1 and a.attnum = $2 AND def.adsrc L > IKE '%nextval(%' > 2005-04-04 18:05:00 CST PARSELOG: statement: SELECT attnotnull FROM > pg_catalog.pg_attribute WHERE attrelid = $1 AND attnum = $2 > 2005-04-04 18:05:00 CST PARSELOG: statement: SELECT def.adsrc FROM > pg_catalog.pg_class c JOIN pg_catalog.pg_attribute a ON (a.attrelid=c.oid > ) LEFT JOIN pg_catalog.pg_attrdef def ON (a.attrelid=def.adrelid AND > a.attnum = def.adnum) WHERE c.oid = $1 and a.attnum = $2 AND def.adsrc L > IKE '%nextval(%' > 2005-04-04 18:05:00 CST PARSELOG: statement: SELECT attnotnull FROM > pg_catalog.pg_attribute WHERE attrelid = $1 AND attnum = $2 > 2005-04-04 18:05:00 CST PARSELOG: statement: SELECT def.adsrc FROM > pg_catalog.pg_class c JOIN pg_catalog.pg_attribute a ON (a.attrelid=c.oid > ) LEFT JOIN pg_catalog.pg_attrdef def ON (a.attrelid=def.adrelid AND > a.attnum = def.adnum) WHERE c.oid = $1 and a.attnum = $2 AND def.adsrc L > IKE '%nextval(%' > 2005-04-04 18:05:00 CST PARSELOG: statement: SELECT attnotnull FROM > pg_catalog.pg_attribute WHERE attrelid = $1 AND attnum = $2 > 2005-04-04 18:05:00 CST PARSELOG: statement: SELECT def.adsrc FROM > pg_catalog.pg_class c JOIN pg_catalog.pg_attribute a ON (a.attrelid=c.oid > ) LEFT JOIN pg_catalog.pg_attrdef def ON (a.attrelid=def.adrelid AND > a.attnum = def.adnum) WHERE c.oid = $1 and a.attnum = $2 AND def.adsrc L > IKE '%nextval(%' > 2005-04-04 18:05:00 CST PARSELOG: statement: SELECT attnotnull FROM > pg_catalog.pg_attribute WHERE attrelid = $1 AND attnum = $2 > 2005-04-04 18:05:00 CST PARSELOG: statement: SELECT def.adsrc FROM > pg_catalog.pg_class c JOIN pg_catalog.pg_attribute a ON (a.attrelid=c.oid > ) LEFT JOIN pg_catalog.pg_attrdef def ON (a.attrelid=def.adrelid AND > a.attnum = def.adnum) WHERE c.oid = $1 and a.attnum = $2 AND def.adsrc L > IKE '%nextval(%' > 2005-04-04 18:05:00 CST PARSELOG: statement: SELECT attnotnull FROM > pg_catalog.pg_attribute WHERE attrelid = $1 AND attnum = $2 > 2005-04-04 18:05:00 CST PARSELOG: statement: SELECT def.adsrc FROM > pg_catalog.pg_class c JOIN pg_catalog.pg_attribute a ON (a.attrelid=c.oid > ) LEFT JOIN pg_catalog.pg_attrdef def ON (a.attrelid=def.adrelid AND > a.attnum = def.adnum) WHERE c.oid = $1 and a.attnum = $2 AND def.adsrc L > IKE '%nextval(%' > 2005-04-04 18:05:00 CST PARSELOG: statement: SELECT attnotnull FROM > pg_catalog.pg_attribute WHERE attrelid = $1 AND attnum = $2 > 2005-04-04 18:05:00 CST PARSELOG: statement: SELECT def.adsrc FROM > pg_catalog.pg_class c JOIN pg_catalog.pg_attribute a ON (a.attrelid=c.oid > ) LEFT JOIN pg_catalog.pg_attrdef def ON (a.attrelid=def.adrelid AND > a.attnum = def.adnum) WHERE c.oid = $1 and a.attnum = $2 AND def.adsrc L > IKE '%nextval(%' > 2005-04-04 18:05:00 CST PARSELOG: statement: SELECT attnotnull FROM > pg_catalog.pg_attribute WHERE attrelid = $1 AND attnum = $2 > 2005-04-04 18:05:00 CST PARSELOG: statement: SELECT def.adsrc FROM > pg_catalog.pg_class c JOIN pg_catalog.pg_attribute a ON (a.attrelid=c.oid > ) LEFT JOIN pg_catalog.pg_attrdef def ON (a.attrelid=def.adrelid AND > a.attnum = def.adnum) WHERE c.oid = $1 and a.attnum = $2 AND def.adsrc L > IKE '%nextval(%' > 2005-04-04 18:05:00 CST PARSELOG: statement: SELECT attnotnull FROM > pg_catalog.pg_attribute WHERE attrelid = $1 AND attnum = $2 > 2005-04-04 18:05:00 CST PARSELOG: statement: SELECT def.adsrc FROM > pg_catalog.pg_class c JOIN pg_catalog.pg_attribute a ON (a.attrelid=c.oid > ) LEFT JOIN pg_catalog.pg_attrdef def ON (a.attrelid=def.adrelid AND > a.attnum = def.adnum) WHERE c.oid = $1 and a.attnum = $2 AND def.adsrc L > IKE '%nextval(%' > 2005-04-04 18:05:00 CST PARSELOG: statement: SELECT attnotnull FROM > pg_catalog.pg_attribute WHERE attrelid = $1 AND attnum = $2 > 2005-04-04 18:05:00 CST PARSELOG: statement: SELECT def.adsrc FROM > pg_catalog.pg_class c JOIN pg_catalog.pg_attribute a ON (a.attrelid=c.oid > ) LEFT JOIN pg_catalog.pg_attrdef def ON (a.attrelid=def.adrelid AND > a.attnum = def.adnum) WHERE c.oid = $1 and a.attnum = $2 AND def.adsrc L > IKE '%nextval(%' > 2005-04-04 18:05:00 CST PARSELOG: statement: SELECT attnotnull FROM > pg_catalog.pg_attribute WHERE attrelid = $1 AND attnum = $2 > 2005-04-04 18:05:00 CST PARSELOG: statement: SELECT def.adsrc FROM > pg_catalog.pg_class c JOIN pg_catalog.pg_attribute a ON (a.attrelid=c.oid > ) LEFT JOIN pg_catalog.pg_attrdef def ON (a.attrelid=def.adrelid AND > a.attnum = def.adnum) WHERE c.oid = $1 and a.attnum = $2 AND def.adsrc L > IKE '%nextval(%' > > > > ---------------------------(end of broadcast)--------------------------- > TIP 5: Have you checked our extensive FAQ? > > http://www.postgresql.org/docs/faq > -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073 ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster
