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Use cache on requests to decrease DB load.

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This commit is contained in:
Adam Ierymenko 2017-03-13 12:22:06 -07:00
parent d09d193715
commit 37629aaf87
1 changed files with 5 additions and 2 deletions
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7
controller/EmbeddedNetworkController.cpp
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@ -61,6 +61,9 @@ using json = nlohmann::json;
// Nodes are considered active if they've queried in less than this long
#define ZT_NETCONF_NODE_ACTIVE_THRESHOLD (ZT_NETWORK_AUTOCONF_DELAY * 2)
// Timeout for disk read cache (ms)
#define ZT_NETCONF_DB_CACHE_TTL 5000
namespace ZeroTier {
static json _renderRule(ZT_VirtualNetworkRule &rule)
@ -1244,8 +1247,8 @@ void EmbeddedNetworkController::_request(
json member;
{
Mutex::Lock _l(_db_m);
network = _db.get("network",nwids,0);
member = _db.get("network",nwids,"member",identity.address().toString(),0);
network = _db.get("network",nwids,ZT_NETCONF_DB_CACHE_TTL);
member = _db.get("network",nwids,"member",identity.address().toString(),ZT_NETCONF_DB_CACHE_TTL);
}
if (!network.size()) {