Commit b5158dee authored by Alok Saldanha's avatar Alok Saldanha
Browse files

GH-4 properly reference cache.prune

also added logging
parent f6d10946
......@@ -17,6 +17,7 @@ from cellxgene_gateway.env import ttl
class PruneProcessCache:
def __init__(self, cache):
self.cache = cache
self.expire_seconds = (3600 if ttl is None else int(ttl))
def __call__(self):
while True:
......@@ -25,16 +26,14 @@ class PruneProcessCache:
def prune(self):
timestamp = current_time_stamp()
processes_to_delete = []
for p in self.cache.entry_list:
if timestamp - p.timestamp > (3600 if ttl is None else ttl):
cutoff = timestamp - self.expire_seconds
processes_to_delete = [p for p in self.cache.entry_list if p.timestamp < cutoff]
processes_to_keep = [p for p in self.cache.entry_list if not p.timestamp < cutoff]
logging.getLogger("werkzeug").debug(f"Cutoff {cutoff} = timestamp {timestamp} - expire seconds {self.expire_seconds} , keeping {processes_to_keep}")
for process in processes_to_delete:
logging.getLogger("werkzeug").info(f"pruning process {} ({process.dataset})")
except Exception:
logging.getLogger("werkzeug").exception("failed to prune process")
logging.getLogger("werkzeug").exception("failed to prune process {} ({process.dataset})")
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