Re: Suggestions for benchmarking 7.4RC2 against 7.3 - Mailing list pgsql-performance

the error mentioned in first email has been overcome
by running osdb on the same machine hosting the DB server.

regds
mallah.

Rajesh Kumar Mallah wrote:

>
> Hi,
>
> I  plan to put 7.4-RC2 in our production servers in next few hours.
>
> Since the hardware config & the performance related GUCs parameter
> are  going to remain the same i am interested in seeing the performance
> improvements in 7.4 as compared 7.3 .
>
> For this i plan to use the OSDB 0.14  and compare the results for both
> the
> cases.
>
> Does any one has suggestions for comparing 7.4 against 7.3 ?
> Since i am using OSDB for second time only any tips/guidance
> on usage of that is also appreciated.
>
>
>
> H/W config:
>
> CPU: 4 X Intel(R) Xeon(TM) CPU 2.00GHz
> MEM : 2 GB
> I/O config : PGDATA on 10000 RPM Ultra160 scsi , pg_xlog on a similar
> seperate SCSI
>
> GUC:
> shared_buffers = 10000
> max_fsm_relations = 5000
> max_fsm_pages = 55099264
> sort_mem = 16384
> vacuum_mem = 8192
>
> All other performance related parameter have default
> value eg:
>
> #effective_cache_size = 1000    # typically 8KB each
> #random_page_cost = 4           # units are one sequential page fetch
> cost
> #cpu_tuple_cost = 0.01          # (same)
> #cpu_index_tuple_cost = 0.001   # (same)
> #cpu_operator_cost = 0.0025     # (same)
>
>
>
> BTW i get following error at the moment:
> -----------------------------------------
> /usr/local/bin/osdb-pg-ui --postgresql=no_hash_index
> "osdb"
> "Invoked: /usr/local/bin/osdb-pg-ui --postgresql=no_hash_index"
>
>                  create_tables()        0.78 seconds    return value = 0
>                           load()        1.02 seconds    return value = 0
>      create_idx_uniques_key_bt()        0.64 seconds    return value = 0
>      create_idx_updates_key_bt()        0.61 seconds    return value = 0
>      create_idx_hundred_key_bt()        0.61 seconds    return value = 0
>       create_idx_tenpct_key_bt()        0.62 seconds    return value = 0
>  create_idx_tenpct_key_code_bt()        0.45 seconds    return value = 0
>         create_idx_tiny_key_bt()        0.46 seconds    return value = 0
>       create_idx_tenpct_int_bt()        0.46 seconds    return value = 0
>    create_idx_tenpct_signed_bt()        0.45 seconds    return value = 0
>      create_idx_uniques_code_h()        0.46 seconds    return value = 0
>    create_idx_tenpct_double_bt()        0.46 seconds    return value = 0
>    create_idx_updates_decim_bt()        0.45 seconds    return value = 0
>     create_idx_tenpct_float_bt()        0.46 seconds    return value = 0
>      create_idx_updates_int_bt()        0.46 seconds    return value = 0
>     create_idx_tenpct_decim_bt()        0.46 seconds    return value = 0
>      create_idx_hundred_code_h()        0.45 seconds    return value = 0
>       create_idx_tenpct_name_h()        0.46 seconds    return value = 0
>      create_idx_updates_code_h()        0.46 seconds    return value = 0
>       create_idx_tenpct_code_h()        0.45 seconds    return value = 0
>   create_idx_updates_double_bt()        0.46 seconds    return value = 0
>     create_idx_hundred_foreign()        0.41 seconds    return value = 0
>               populateDataBase()        11.54 seconds   return value = 0
>
> Error in test Counting tuples at (6746)osdb.c:294:
> ... empty database -- empty results
> perror() reports: Resource temporarily unavailable
>
> someone sighup'd the parent
>
> Any clue?
>
> ------------------------------------------
>
>
> Regards
> Mallah.
>
>
>
>
>
>
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