You may do a backup of this table. Then with ultraedit search your documents and remove them.
2011/7/5, jtke...@verizon.net <jtke...@verizon.net>: > I am having a hang condition every time I try to retrieve a large > records (bytea) data from a table > The OS is a 5.11 snv_134 i86pc i386 i86pc Solaris with 4GB memory > running Postgresql 8.4.3 with a standard postgresql.conf file (nothing > has been changed) > I have the following table called doc_table > Column | Type | Modifiers | > Storage | Description > ------------------------+--------------------------------+--------------------------------------- > id | numeric | not null | main | > file_n | character varying(4000) | | > extended | > create_date | timestamp(6) without time zone | not null > default (clock_timestamp()) > ::timestamp(0)without time zone | plain | > desc | character varying(4000) | | > extended | > doc_cc | character varying(120) | not null | > extended | > by | numeric | not null | main | > doc_data | bytea | | > extended | > mime_type_id | character varying(16) | not null | > extended | > doc_src | text | | > extended | > doc_stat | character varying(512) | not null > default 'ACTIVE'::character varying | > extended | > Indexes: > "documents_pk" PRIMARY KEY, btree (document_id) > > > A while ago the some developers inserted several records with a > document (stored in doc_Data) that was around 400 - 450 MB each. Now > when you do a select * (all) from this table you get a hang and the > system becomes unresponsive. Prior to these inserts, a select * (all, > no where clause) worked. I'm also told a select * from doc_table > where id = xxx still works. I haven't seen any error message in the > postgresql log files. > So I'm not sure how to find these bad records and why I am getting a > hang. Since this postgresql is running with the default config files > could I be running out of a resource? If so I'm not sure how to or > how much to add to these resources to fix this problem since I have > very little memory on this system. Does anyone have any ideas why I > am getting a hang. Thanks > > -- > Sent via pgsql-admin mailing list (pgsql-admin@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-admin > -- ------------ pasman -- Sent via pgsql-admin mailing list (pgsql-admin@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin