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ruanhaishen
redis
Commits
35a4761f
Commit
35a4761f
authored
Feb 06, 2012
by
antirez
Browse files
freeMemoryIfNeeded() minor refactoring
parent
5a7999e6
Changes
3
Show whitespace changes
Inline
Side-by-side
src/networking.c
View file @
35a4761f
...
...
@@ -1091,3 +1091,24 @@ unsigned long getClientOutputBufferMemoryUsage(redisClient *c) {
return
c
->
reply_bytes
+
(
list_item_size
*
listLength
(
c
->
reply
));
}
/* Helper function used by freeMemoryIfNeeded() in order to flush slaves
* output buffers without returning control to the event loop. */
void
flushSlavesOutputBuffers
(
void
)
{
listIter
li
;
listNode
*
ln
;
listRewind
(
server
.
slaves
,
&
li
);
while
((
ln
=
listNext
(
&
li
)))
{
redisClient
*
slave
=
listNodeValue
(
ln
);
int
events
;
events
=
aeGetFileEvents
(
server
.
el
,
slave
->
fd
);
if
(
events
&
AE_WRITABLE
&&
slave
->
replstate
==
REDIS_REPL_ONLINE
&&
listLength
(
slave
->
reply
))
{
sendReplyToClient
(
server
.
el
,
slave
->
fd
,
slave
,
0
);
}
}
}
src/redis.c
View file @
35a4761f
...
...
@@ -1577,7 +1577,6 @@ int freeMemoryIfNeeded(void) {
/* Compute how much memory we need to free. */
mem_tofree
=
mem_used
-
server
.
maxmemory
;
printf
(
"USED: %zu, TOFREE: %zu
\n
"
,
mem_used
,
mem_tofree
);
mem_freed
=
0
;
while
(
mem_freed
<
mem_tofree
)
{
int
j
,
k
,
keys_freed
=
0
;
...
...
@@ -1668,7 +1667,6 @@ int freeMemoryIfNeeded(void) {
delta
=
(
long
long
)
zmalloc_used_memory
();
dbDelete
(
db
,
keyobj
);
delta
-=
(
long
long
)
zmalloc_used_memory
();
// printf("%lld\n",delta);
mem_freed
+=
delta
;
server
.
stat_evictedkeys
++
;
decrRefCount
(
keyobj
);
...
...
@@ -1678,27 +1676,7 @@ int freeMemoryIfNeeded(void) {
* start spending so much time here that is impossible to
* deliver data to the slaves fast enough, so we force the
* transmission here inside the loop. */
if
(
slaves
)
{
listIter
li
;
listNode
*
ln
;
listRewind
(
server
.
slaves
,
&
li
);
while
((
ln
=
listNext
(
&
li
)))
{
redisClient
*
slave
=
listNodeValue
(
ln
);
int
events
;
events
=
aeGetFileEvents
(
server
.
el
,
slave
->
fd
);
printf
(
"EVENTS: %d
\n
"
,
events
);
if
(
events
&
AE_WRITABLE
&&
slave
->
replstate
==
REDIS_REPL_ONLINE
&&
listLength
(
slave
->
reply
))
{
printf
(
"SLAVE %d -> %d
\n
"
,
slave
->
fd
,
(
int
)
listLength
(
slave
->
reply
));
sendReplyToClient
(
server
.
el
,
slave
->
fd
,
slave
,
0
);
}
}
}
if
(
slaves
)
flushSlavesOutputBuffers
();
}
}
if
(
!
keys_freed
)
return
REDIS_ERR
;
/* nothing to free... */
...
...
src/redis.h
View file @
35a4761f
...
...
@@ -716,6 +716,7 @@ void getClientsMaxBuffers(unsigned long *longest_output_list,
sds
getClientInfoString
(
redisClient
*
client
);
sds
getAllClientsInfoString
(
void
);
void
rewriteClientCommandVector
(
redisClient
*
c
,
int
argc
,
...);
void
flushSlavesOutputBuffers
(
void
);
#ifdef __GNUC__
void
addReplyErrorFormat
(
redisClient
*
c
,
const
char
*
fmt
,
...)
...
...
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