rust/neon
1
0
Fork 0
mirror of https://github.com/neondatabase/neon.git synced 2026-01-07 05:22:56 +00:00
Code Issues Packages Projects Releases Wiki Activity

Flush requests in prefetch+_pump_state

Browse Source
This commit is contained in:
Kosntantin Knizhnik
2025-07-20 08:20:46 +03:00
committed by Konstantin Knizhnik
parent 2f455baa73
commit b947deb07c
1 changed files with 10 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
pgxn/neon/communicator.c
View File

@@ -300,6 +300,7 @@ static void prefetch_do_request(PrefetchRequest *slot, neon_request_lsns *force_
static bool prefetch_wait_for(uint64 ring_index);
static void prefetch_cleanup_trailing_unused(void);
static inline void prefetch_set_unused(uint64 ring_index);
static bool prefetch_flush_requests(void);
static bool neon_prefetch_response_usable(neon_request_lsns *request_lsns,
PrefetchRequest *slot);
@@ -469,6 +470,15 @@ communicator_prefetch_pump_state(void)
{
START_PREFETCH_RECEIVE_WORK();
/*
* Flush request to avoid requests pending for arbitrary long time,
* pinning LSN and holding GC at PS.
*/
if (!prefetch_flush_requests())
{
END_PREFETCH_RECEIVE_WORK();
return;
}
while (MyPState->ring_receive != MyPState->ring_flush)
{
NeonResponse *response;