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Set the new threads stack size to a LZF friendly amount

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antirez 2010-01-14 08:58:41 -05:00
parent 427a2153d3
commit bcaa7a4ffa
1 changed files with 9 additions and 1 deletions
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10
redis.c
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@ -164,6 +164,7 @@
#define REDIS_VM_MAX_NEAR_PAGES 65536
#define REDIS_VM_MAX_RANDOM_JUMP 4096
#define REDIS_VM_MAX_THREADS 32
#define REDIS_THREAD_STACK_SIZE (1024*1024*4)
/* The following is the number of completed I/O jobs to process when the
* handelr is called. 1 is the minimum, and also the default, as it allows
* to block as little as possible other accessing clients. While Virtual
@ -403,6 +404,7 @@ struct redisServer {
pthread_mutex_t io_mutex; /* lock to access io_jobs/io_done/io_thread_job */
pthread_mutex_t obj_freelist_mutex; /* safe redis objects creation/free */
pthread_mutex_t io_swapfile_mutex; /* So we can lseek + write */
pthread_attr_t io_threads_attr; /* attributes for threads creation */
int io_active_threads; /* Number of running I/O threads */
int vm_max_threads; /* Max number of I/O threads running at the same time */
/* Our main thread is blocked on the event loop, locking for sockets ready
@ -6984,6 +6986,7 @@ static void aofRemoveTempFile(pid_t childpid) {
static void vmInit(void) {
off_t totsize;
int pipefds[2];
size_t stacksize;
server.vm_fp = fopen("/tmp/redisvm","w+b");
if (server.vm_fp == NULL) {
@ -7031,6 +7034,11 @@ static void vmInit(void) {
server.io_ready_pipe_read = pipefds[0];
server.io_ready_pipe_write = pipefds[1];
redisAssert(anetNonBlock(NULL,server.io_ready_pipe_read) != ANET_ERR);
/* LZF requires a lot of stack */
pthread_attr_init(&server.io_threads_attr);
pthread_attr_getstacksize(&server.io_threads_attr, &stacksize);
while (stacksize < REDIS_THREAD_STACK_SIZE) stacksize *= 2;
pthread_attr_setstacksize(&server.io_threads_attr, stacksize);
/* Listen for events in the threaded I/O pipe */
if (aeCreateFileEvent(server.el, server.io_ready_pipe_read, AE_READABLE,
vmThreadedIOCompletedJob, NULL) == AE_ERR)
@ -7668,7 +7676,7 @@ static void *IOThreadEntryPoint(void *arg) {
static void spawnIOThread(void) {
pthread_t thread;
pthread_create(&thread,NULL,IOThreadEntryPoint,NULL);
pthread_create(&thread,&server.io_threads_attr,IOThreadEntryPoint,NULL);
server.io_active_threads++;
}