Re: Nooby Q: Should this take five hours? And counting?

Scott Marlowe wrote:
 > On Sat, Apr 18, 2009 at 4:11 PM, Kenneth Tilton <kentilton@gmail.com>
wrote:
 >> ie, 5hrs and counting, no clue how long it intends to run, but
methinks this
 >> is insane even if it is 10^7 records, mebbe half a dozen dups per
value (a
 >> product-id usually around 8-chars long):
 >>
 >> CREATE INDEX web_source_items_by_item_id_strip
 >>               ON web_source_items
 >>               USING btree (item_id_strip);
 >>
 >> Am I unreasonably impatient?
 >>
 >> I see pg getting just a few % CPU on a heavily ram/core-endowed Sun
box with
 >> nothing else going on. Mebbe they installed pg on a compact flash?
DVD-RW?
 >> /usr/local/something, prolly not.
 >
 > What does vmstat 1 60 say during the index build?  Specifically the
 > cpu columns for user, system, wa?

uh-oh, Unix noob too, and unfortunately someone has jumped on with a
CPU-intensive task pegging one of the cores at 100%, so these numbers
prolly do not help, but here goes:

procs -----------memory---------- ---swap-- -----io---- --system--
-----cpu------
  r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy
id wa st
  1  1 2076312 1503204 182152 30669308   49   69   260   299    3    3
28  2 63  7  0
  1  1 2076312 1502900 182152 30669656    0    0   192  2260 1198  332
25  1 50 24  0
  1  1 2076312 1503024 182152 30669656    0    0     0   704 1181  282
25  1 50 25  0
  1  3 2076312 1502904 182156 30669740    0    0   104  2780 1224  422
25  0 48 26  0
  1  3 2076312 1502896 182156 30669740    0    0     0  1552 1173  309
25  0 50 25  0
  1  1 2076312 1502140 182172 30669976    0    0   120   312 1222  396
26  1 48 25  0
  1  1 2076312 1501724 182180 30670408    0    0   496  3996 1161  450
26  1 50 24  0
  1  1 2076312 1501304 182200 30670960    0    0   428  2892 1203  438
26  1 50 24  0
  1  2 2076312 1501064 182200 30671400    0    0   236  3456 1168  434
26  1 49 24  0
  1  2 2076312 1501064 182200 30671360    0    0     0  1620 1225  357
25  0 50 25  0
  1  1 2076312 1501064 182200 30671360    0    0     0   292 1205  339
25  1 49 25  0
  1  1 2076312 1500652 182220 30671776    0    0   416  1740 1186  410
25  1 50 24  0
  1  2 2076312 1500472 182224 30671992    0    0   208  3560 1177  399
25  1 49 24  0


I'll sample again if I get a window, but these jobs tend to run for hours.

thx,

kt