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ruanhaishen
redis
Commits
7bd45659
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Commit
7bd45659
authored
Oct 25, 2013
by
antirez
Browse files
Fixed typos in dictScan() comment.
parent
34c20722
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src/dict.c
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7bd45659
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@@ -698,7 +698,7 @@ static unsigned long rev(unsigned long v) {
...
@@ -698,7 +698,7 @@ static unsigned long rev(unsigned long v) {
* (in binary) 1111. The position of a key in the hash table will be always
* (in binary) 1111. The position of a key in the hash table will be always
* the last four bits of the hash output, and so forth.
* the last four bits of the hash output, and so forth.
*
*
* WHAT HAPPENS
DURING REHASHING, WHEN YOU HAVE TWO TABLES
?
* WHAT HAPPENS
IF THE TABLE CHANGES IN SIZE
?
*
*
* If the hash table grows, elements can go anyway in one multiple of
* If the hash table grows, elements can go anyway in one multiple of
* the old bucket: for example let's say that we already iterated with
* the old bucket: for example let's say that we already iterated with
...
@@ -720,7 +720,7 @@ static unsigned long rev(unsigned long v) {
...
@@ -720,7 +720,7 @@ static unsigned long rev(unsigned long v) {
* as we are sure that, we tried for example, both 0111 and 1111 (all the
* as we are sure that, we tried for example, both 0111 and 1111 (all the
* variations of the higher bit) so we don't need to test it again.
* variations of the higher bit) so we don't need to test it again.
*
*
*
But wait... You have *two* tables in a given moment during rehashing
!
*
WAIT... YOU HAVE *TWO* TABLES DURING REHASHING
!
*
*
* Yes, this is true, but we always iterate the smaller one of the tables,
* Yes, this is true, but we always iterate the smaller one of the tables,
* testing also all the expansions of the current cursor into the larger
* testing also all the expansions of the current cursor into the larger
...
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