pgdump slowness

Dhandapani Shanmugam <[email protected]>
Newsgroups gmane.comp.db.postgresql.admin
Message-ID <CAAj4MFGc3voQYd850tRH5QeT=3MZ3tmz4QS2Riaz12cHU5RVWg@mail.gmail.com> 
Hi Guys,

We are having wired issue. pg_dump taking more time to backup 320 GB of
table,the table has bytea data type with TOAST table associated it. Please
let me know, if this is the expected behavior of pg_dump or do i need to
tune any of the parameters.  I tried to run pg_dump with parallel -j option
, still no improvement and there is no lock on the table as well. any
inputs are welcome

-D
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