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>Chapter 14. Performance Tips</H1
><DIV
CLASS="TOC"
><DL
><DT
><B
>Table of Contents</B
></DT
><DT
>14.1. <A
HREF="using-explain.html"
>Using <TT
CLASS="COMMAND"
>EXPLAIN</TT
></A
></DT
><DD
><DL
><DT
>14.1.1. <A
HREF="using-explain.html#USING-EXPLAIN-BASICS"
><TT
CLASS="COMMAND"
>EXPLAIN</TT
> Basics</A
></DT
><DT
>14.1.2. <A
HREF="using-explain.html#USING-EXPLAIN-ANALYZE"
><TT
CLASS="COMMAND"
>EXPLAIN ANALYZE</TT
></A
></DT
><DT
>14.1.3. <A
HREF="using-explain.html#USING-EXPLAIN-CAVEATS"
>Caveats</A
></DT
></DL
></DD
><DT
>14.2. <A
HREF="planner-stats.html"
>Statistics Used by the Planner</A
></DT
><DT
>14.3. <A
HREF="explicit-joins.html"
>Controlling the Planner with Explicit <TT
CLASS="LITERAL"
>JOIN</TT
> Clauses</A
></DT
><DT
>14.4. <A
HREF="populate.html"
>Populating a Database</A
></DT
><DD
><DL
><DT
>14.4.1. <A
HREF="populate.html#DISABLE-AUTOCOMMIT"
>Disable Autocommit</A
></DT
><DT
>14.4.2. <A
HREF="populate.html#POPULATE-COPY-FROM"
>Use <TT
CLASS="COMMAND"
>COPY</TT
></A
></DT
><DT
>14.4.3. <A
HREF="populate.html#POPULATE-RM-INDEXES"
>Remove Indexes</A
></DT
><DT
>14.4.4. <A
HREF="populate.html#POPULATE-RM-FKEYS"
>Remove Foreign Key Constraints</A
></DT
><DT
>14.4.5. <A
HREF="populate.html#POPULATE-WORK-MEM"
>Increase <TT
CLASS="VARNAME"
>maintenance_work_mem</TT
></A
></DT
><DT
>14.4.6. <A
HREF="populate.html#POPULATE-CHECKPOINT-SEGMENTS"
>Increase <TT
CLASS="VARNAME"
>checkpoint_segments</TT
></A
></DT
><DT
>14.4.7. <A
HREF="populate.html#POPULATE-PITR"
>Disable WAL Archival and Streaming Replication</A
></DT
><DT
>14.4.8. <A
HREF="populate.html#POPULATE-ANALYZE"
>Run <TT
CLASS="COMMAND"
>ANALYZE</TT
> Afterwards</A
></DT
><DT
>14.4.9. <A
HREF="populate.html#POPULATE-PG-DUMP"
>Some Notes About <SPAN
CLASS="APPLICATION"
>pg_dump</SPAN
></A
></DT
></DL
></DD
><DT
>14.5. <A
HREF="non-durability.html"
>Non-Durable Settings</A
></DT
></DL
></DIV
><P
>   Query performance can be affected by many things. Some of these can
   be controlled by the user, while others are fundamental to the underlying
   design of the system.  This chapter provides some hints about understanding
   and tuning <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
> performance.
  </P
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