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Re: Fwd: How does the partitioned lock manager works?


  • From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
  • To: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
  • Cc: rancpine cui <rancpine(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org
  • Subject: Re: Fwd: How does the partitioned lock manager works?
  • Date: Fri, 27 Apr 2007 10:46:27 -0400
  • Message-id: <14726.1177685187@sss.pgh.pa.us> <text/plain>

Alvaro Herrera <alvherre(at)commandprompt(dot)com> writes:
> rancpine cui escribió:
>> What does "hash chains" mean?

> Each "hash chain" is a different, separate, independent hash struct.

It's pretty much equivalent to "hash bucket" --- this comment says chain
because it's focusing on the physical representation of the bucket as a
linked list, whereas "bucket" doesn't presume anything about how the
elements in the bucket are stored.

			regards, tom lane



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