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do not throttle writer/index thread pools

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This commit is contained in:
Yatao Li 2022-01-23 04:41:13 +08:00
parent f3674ffa02
commit 6075c21a3a
5 changed files with 13 additions and 11 deletions
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4
src/cli.c
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@ -257,8 +257,8 @@ int scan_args_validate(scan_args_t *args, int argc, const char **argv) {
args->max_memory_buffer = DEFAULT_MAX_MEM_BUFFER; args->max_memory_buffer = DEFAULT_MAX_MEM_BUFFER;
} }
if (args->throttle_memory_threshold <= 0) { if (args->scan_mem_limit <= 0) {
args->throttle_memory_threshold = DEFAULT_THROTTLE_MEMORY_THRESHOLD; args->scan_mem_limit = DEFAULT_THROTTLE_MEMORY_THRESHOLD;
} }
if (args->list_path != NULL) { if (args->list_path != NULL) {

2
src/cli.h
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@ -10,7 +10,7 @@ typedef struct scan_args {
int size; int size;
int content_size; int content_size;
int threads; int threads;
int throttle_memory_threshold; int scan_mem_limit;
char *incremental; char *incremental;
char *output; char *output;
char *rewrite_url; char *rewrite_url;

10
src/main.c
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@ -253,7 +253,7 @@ void initialize_scan_context(scan_args_t *args) {
ScanCtx.threads = args->threads; ScanCtx.threads = args->threads;
ScanCtx.depth = args->depth; ScanCtx.depth = args->depth;
ScanCtx.mem_limit = args->throttle_memory_threshold * 1024 * 1024; ScanCtx.mem_limit = args->scan_mem_limit * 1024 * 1024;
strncpy(ScanCtx.index.path, args->output, sizeof(ScanCtx.index.path)); strncpy(ScanCtx.index.path, args->output, sizeof(ScanCtx.index.path));
strncpy(ScanCtx.index.desc.name, args->name, sizeof(ScanCtx.index.desc.name)); strncpy(ScanCtx.index.desc.name, args->name, sizeof(ScanCtx.index.desc.name));
@ -383,10 +383,10 @@ void sist2_scan(scan_args_t *args) {
load_incremental_index(args); load_incremental_index(args);
} }
ScanCtx.pool = tpool_create(args->threads, thread_cleanup, TRUE, TRUE); ScanCtx.pool = tpool_create(ScanCtx.threads, thread_cleanup, TRUE, TRUE, ScanCtx.mem_limit);
tpool_start(ScanCtx.pool); tpool_start(ScanCtx.pool);
ScanCtx.writer_pool = tpool_create(1, writer_cleanup, TRUE, FALSE); ScanCtx.writer_pool = tpool_create(1, writer_cleanup, TRUE, FALSE, 0);
tpool_start(ScanCtx.writer_pool); tpool_start(ScanCtx.writer_pool);
if (args->list_path) { if (args->list_path) {
@ -467,7 +467,7 @@ void sist2_index(index_args_t *args) {
f = index_json; f = index_json;
} }
IndexCtx.pool = tpool_create(args->threads, elastic_cleanup, FALSE, args->print == 0); IndexCtx.pool = tpool_create(args->threads, elastic_cleanup, FALSE, args->print == 0, 0);
tpool_start(IndexCtx.pool); tpool_start(IndexCtx.pool);
READ_INDICES(file_path, args->index_path, { READ_INDICES(file_path, args->index_path, {
@ -587,7 +587,7 @@ int main(int argc, const char *argv[]) {
OPT_GROUP("Scan options"), OPT_GROUP("Scan options"),
OPT_INTEGER('t', "threads", &common_threads, "Number of threads. DEFAULT=1"), OPT_INTEGER('t', "threads", &common_threads, "Number of threads. DEFAULT=1"),
OPT_STRING(0, "mem-throttle", &scan_args->throttle_memory_threshold, "Total memory threshold in MB for scan throttling. DEFAULT=0"), OPT_STRING(0, "mem-throttle", &scan_args->scan_mem_limit, "Total memory threshold in MB for scan throttling. DEFAULT=0"),
OPT_FLOAT('q', "quality", &scan_args->quality, OPT_FLOAT('q', "quality", &scan_args->quality,
"Thumbnail quality, on a scale of 1.0 to 31.0, 1.0 being the best. DEFAULT=3"), "Thumbnail quality, on a scale of 1.0 to 31.0, 1.0 being the best. DEFAULT=3"),
OPT_INTEGER(0, "size", &scan_args->size, OPT_INTEGER(0, "size", &scan_args->size,

6
src/tpool.c
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@ -29,6 +29,7 @@ typedef struct tpool {
int done_cnt; int done_cnt;
int busy_cnt; int busy_cnt;
int throttle_stuck_cnt; int throttle_stuck_cnt;
size_t mem_limit;
int free_arg; int free_arg;
int stop; int stop;
@ -171,7 +172,7 @@ static void *tpool_worker(void *arg) {
if (work != NULL) { if (work != NULL) {
stuck_notified = 0; stuck_notified = 0;
while(!pool->stop && ScanCtx.mem_limit > 0 && _get_total_mem() >= ScanCtx.mem_limit) { while(!pool->stop && pool->mem_limit > 0 && _get_total_mem() >= pool->mem_limit) {
if (!stuck_notified && throttle_ms >= 90000) { if (!stuck_notified && throttle_ms >= 90000) {
// notify the pool that this thread is stuck. // notify the pool that this thread is stuck.
pthread_mutex_lock(&(pool->work_mutex)); pthread_mutex_lock(&(pool->work_mutex));
@ -299,7 +300,7 @@ void tpool_destroy(tpool_t *pool) {
* Create a thread pool * Create a thread pool
* @param thread_cnt Worker threads count * @param thread_cnt Worker threads count
*/ */
tpool_t *tpool_create(int thread_cnt, void cleanup_func(), int free_arg, int print_progress) { tpool_t *tpool_create(int thread_cnt, void cleanup_func(), int free_arg, int print_progress, size_t mem_limit) {
tpool_t *pool = malloc(sizeof(tpool_t)); tpool_t *pool = malloc(sizeof(tpool_t));
pool->thread_cnt = thread_cnt; pool->thread_cnt = thread_cnt;
@ -307,6 +308,7 @@ tpool_t *tpool_create(int thread_cnt, void cleanup_func(), int free_arg, int pri
pool->done_cnt = 0; pool->done_cnt = 0;
pool->busy_cnt = 0; pool->busy_cnt = 0;
pool->throttle_stuck_cnt = 0; pool->throttle_stuck_cnt = 0;
pool->mem_limit = mem_limit;
pool->stop = FALSE; pool->stop = FALSE;
pool->free_arg = free_arg; pool->free_arg = free_arg;
pool->cleanup_func = cleanup_func; pool->cleanup_func = cleanup_func;

2
src/tpool.h
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@ -8,7 +8,7 @@ typedef struct tpool tpool_t;
typedef void (*thread_func_t)(void *arg); typedef void (*thread_func_t)(void *arg);
tpool_t *tpool_create(int num, void (*cleanup_func)(), int free_arg, int print_progress); tpool_t *tpool_create(int num, void (*cleanup_func)(), int free_arg, int print_progress, size_t mem_limit);
void tpool_start(tpool_t *pool); void tpool_start(tpool_t *pool);
void tpool_destroy(tpool_t *pool); void tpool_destroy(tpool_t *pool);