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ruanhaishen
redis
Commits
b1f2c510
Commit
b1f2c510
authored
May 21, 2019
by
zhaozhao.zz
Committed by
antirez
Jan 17, 2020
Browse files
Threaded IO: use main thread to handle write work
parent
7bbafc56
Changes
1
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Inline
Side-by-side
src/networking.c
View file @
b1f2c510
...
...
@@ -2656,7 +2656,7 @@ pthread_mutex_t io_threads_mutex[IO_THREADS_MAX_NUM];
_Atomic unsigned long io_threads_pending[IO_THREADS_MAX_NUM];
int io_threads_active; /* Are the threads currently spinning waiting I/O? */
int io_threads_op; /* IO_THREADS_OP_WRITE or IO_THREADS_OP_READ. */
list
*
io_threads_list
[
IO_THREADS_MAX_NUM
];
list *io_threads_list[IO_THREADS_MAX_NUM
+1
];
void *IOThreadMain(void *myid) {
/* The ID is the thread number (from 0 to server.iothreads_num-1), and is
...
...
@@ -2729,6 +2729,7 @@ void initThreadedIO(void) {
}
io_threads[i] = tid;
}
io_threads_list[server.io_threads_num] = listCreate();
}
void startThreadedIO(void) {
...
...
@@ -2800,7 +2801,7 @@ int handleClientsWithPendingWritesUsingThreads(void) {
while((ln = listNext(&li))) {
client *c = listNodeValue(ln);
c->flags &= ~CLIENT_PENDING_WRITE;
int
target_id
=
item_id
%
server
.
io_threads_num
;
int target_id = item_id %
(
server.io_threads_num
+1)
;
listAddNodeTail(io_threads_list[target_id],c);
item_id++;
}
...
...
@@ -2813,6 +2814,13 @@ int handleClientsWithPendingWritesUsingThreads(void) {
io_threads_pending[j] = count;
}
listRewind(io_threads_list[server.io_threads_num],&li);
while((ln = listNext(&li))) {
client *c = listNodeValue(ln);
writeToClient(c->fd,c,0);
}
listEmpty(io_threads_list[server.io_threads_num]);
/* Wait for all threads to end their work. */
while(1) {
unsigned long pending = 0;
...
...
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