Perf: remove unnecessary vector operations

Former-commit-id: 1b46d4f09ab73e08a1e77fd7f73d18e98dbdce7c
This commit is contained in:
John Sully 2020-10-12 04:28:39 +00:00
parent 27e17220c2
commit 6de6515bfc

View File

@ -1920,8 +1920,7 @@ void ProcessPendingAsyncWrites()
* get it called, and so forth. */
int handleClientsWithPendingWrites(int iel, int aof_state) {
std::unique_lock<fastlock> lockf(g_pserver->rgthreadvar[iel].lockPendingWrite);
auto &vec = g_pserver->rgthreadvar[iel].clients_pending_write;
int processed = (int)vec.size();
int processed = 0;
serverAssert(iel == (serverTL - g_pserver->rgthreadvar));
int ae_flags = AE_WRITABLE|AE_WRITE_THREADSAFE;
@ -1936,16 +1935,17 @@ int handleClientsWithPendingWrites(int iel, int aof_state) {
ae_flags |= AE_BARRIER;
}
while(!vec.empty()) {
client *c = vec.back();
auto vec = std::move(g_pserver->rgthreadvar[iel].clients_pending_write);
processed += (int)vec.size();
for (client *c : vec) {
AssertCorrectThread(c);
c->flags &= ~CLIENT_PENDING_WRITE;
vec.pop_back();
uint64_t flags = c->flags.fetch_and(~CLIENT_PENDING_WRITE, std::memory_order_relaxed);
/* If a client is protected, don't do anything,
* that may trigger write error or recreate handler. */
if (c->flags & CLIENT_PROTECTED) continue;
if (flags & CLIENT_PROTECTED) continue;
std::unique_lock<decltype(c->lock)> lock(c->lock);