Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US

Index > ORACLE Server Parameters > hash_area_size

hash_area_size


Oracle 11.1.0:

Parameter Name:hash_area_size
Description:size of in-memory hash work area
Type:NUMBER Obsoleted:FALSE
Can ALTER SESSION:TRUE Can ALTER SYSTEM:FALSE

Oracle 10.2.0:

Parameter Name:hash_area_size
Description:size of in-memory hash work area
Type:NUMBER Obsoleted:FALSE
Can ALTER SESSION:TRUE Can ALTER SYSTEM:FALSE

Oracle 10.1.0:

Parameter Name:hash_area_size
Description:size of in-memory hash work area
Type:NUMBER Obsoleted:FALSE
Can ALTER SESSION:TRUE Can ALTER SYSTEM:FALSE

Oracle 9.2.0:

Parameter Name:hash_area_size
Description:size of in-memory hash work area
Type:NUMBER Obsoleted:FALSE
Can ALTER SESSION:TRUE Can ALTER SYSTEM:FALSE

Oracle 8.1.7:

Parameter Name:hash_area_size
Description:size of in-memory hash work area
Type:NUMBER Obsoleted:FALSE
Can ALTER SESSION:TRUE Can ALTER SYSTEM:FALSE

Oracle 8.0.6:

Parameter Name:hash_area_size
Description:size of in-memory hash work area
Type:NUMBER Obsoleted:FALSE
Can ALTER SESSION:TRUE Can ALTER SYSTEM:FALSE

Oracle 7.3.4:

Parameter Name:hash_area_size
Description:size of in-memory hash work area
Type:NUMBER Obsoleted:FALSE
Can ALTER SESSION:TRUE Can ALTER SYSTEM:FALSE

Related Error Messages:

ORA-06580: Hash Join ran out of memory while keeping large rows in memory
    Cause: Hash Join reserves 3 slots (each slot size = DB_BLOCK_SIZE * HASH_JOIN_MULTIBLOCK_IO_COUNT) for a row. If a row is larger than that, this error will be raised.

    Action: Increase HASH_JOIN_MULTIBLOCK_IO_COUNT so that each joined row fits in a slot. HASH_AREA_SIZE may also need to be increaed.


This parameter is documented in the Oracle Server Reference Guide. Search for more info about [ hash_area_size ] on the Oracle FAQ.

HOME | ASK QUESTION | ADD FAQ | SEARCH | E-MAIL US