MAINT-1897 Poor performance viewing large group member lists

* Split avatar name requests up among multiple frames to prevent overloading
  the nameserver and having requests time out.
meow-7.2.2
Kelly Washington 2012-11-12 14:10:02 -08:00
parent 42c957e9d8
commit 5646e564e5
2 changed files with 25 additions and 37 deletions

View File

@ -334,8 +334,9 @@ void LLAvatarNameCache::requestNamesViaCapability()
// http://pdp60.lindenlab.com:8000/agents/?ids=3941037e-78ab-45f0-b421-bd6e77c1804d&ids=0012809d-7d2d-4c24-9609-af1230a37715&ids=0019aaba-24af-4f0a-aa72-6457953cf7f0
//
// Apache can handle URLs of 4096 chars, but let's be conservative
const U32 NAME_URL_MAX = 4096;
const U32 NAME_URL_SEND_THRESHOLD = 3000;
static const U32 NAME_URL_MAX = 4096;
static const U32 NAME_URL_SEND_THRESHOLD = 3500;
std::string url;
url.reserve(NAME_URL_MAX);
@ -343,10 +344,12 @@ void LLAvatarNameCache::requestNamesViaCapability()
agent_ids.reserve(128);
U32 ids = 0;
ask_queue_t::const_iterator it = sAskQueue.begin();
for ( ; it != sAskQueue.end(); ++it)
ask_queue_t::const_iterator it;
while(!sAskQueue.empty())
{
it = sAskQueue.begin();
const LLUUID& agent_id = *it;
sAskQueue.erase(it);
if (url.empty())
{
@ -369,27 +372,17 @@ void LLAvatarNameCache::requestNamesViaCapability()
if (url.size() > NAME_URL_SEND_THRESHOLD)
{
LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::requestNamesViaCapability first "
<< ids << " ids"
<< LL_ENDL;
LLHTTPClient::get(url, new LLAvatarNameResponder(agent_ids));
url.clear();
agent_ids.clear();
break;
}
}
if (!url.empty())
{
LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::requestNamesViaCapability all "
LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::requestNamesViaCapability requested "
<< ids << " ids"
<< LL_ENDL;
LLHTTPClient::get(url, new LLAvatarNameResponder(agent_ids));
url.clear();
agent_ids.clear();
}
// We've moved all asks to the pending request queue
sAskQueue.clear();
}
void LLAvatarNameCache::legacyNameCallback(const LLUUID& agent_id,
@ -416,12 +409,15 @@ void LLAvatarNameCache::legacyNameCallback(const LLUUID& agent_id,
void LLAvatarNameCache::requestNamesViaLegacy()
{
static const S32 MAX_REQUESTS = 100;
F64 now = LLFrameTimer::getTotalSeconds();
std::string full_name;
ask_queue_t::const_iterator it = sAskQueue.begin();
for (; it != sAskQueue.end(); ++it)
ask_queue_t::const_iterator it;
for (S32 requests = 0; !sAskQueue.empty() && requests < MAX_REQUESTS; ++requests)
{
it = sAskQueue.begin();
const LLUUID& agent_id = *it;
sAskQueue.erase(it);
// Mark as pending first, just in case the callback is immediately
// invoked below. This should never happen in practice.
@ -433,10 +429,6 @@ void LLAvatarNameCache::requestNamesViaLegacy()
boost::bind(&LLAvatarNameCache::legacyNameCallback,
_1, _2, _3));
}
// We've either answered immediately or moved all asks to the
// pending queue
sAskQueue.clear();
}
void LLAvatarNameCache::initClass(bool running)
@ -513,11 +505,11 @@ void LLAvatarNameCache::idle()
// *TODO: Possibly re-enabled this based on People API load measurements
// 100 ms is the threshold for "user speed" operations, so we can
// stall for about that long to batch up requests.
//const F32 SECS_BETWEEN_REQUESTS = 0.1f;
//if (!sRequestTimer.checkExpirationAndReset(SECS_BETWEEN_REQUESTS))
//{
// return;
//}
const F32 SECS_BETWEEN_REQUESTS = 0.1f;
if (!sRequestTimer.hasExpired())
{
return;
}
if (!sAskQueue.empty())
{
@ -532,6 +524,12 @@ void LLAvatarNameCache::idle()
}
}
if (sAskQueue.empty())
{
// cleared the list, reset the request timer.
sRequestTimer.resetWithExpiry(SECS_BETWEEN_REQUESTS);
}
// erase anything that has not been refreshed for more than MAX_UNREFRESHED_TIME
eraseUnrefreshed();
}
@ -743,12 +741,6 @@ void LLAvatarNameCache::erase(const LLUUID& agent_id)
sCache.erase(agent_id);
}
void LLAvatarNameCache::fetch(const LLUUID& agent_id)
{
// re-request, even if request is already pending
sAskQueue.insert(agent_id);
}
void LLAvatarNameCache::insert(const LLUUID& agent_id, const LLAvatarName& av_name)
{
// *TODO: update timestamp if zero?

View File

@ -86,10 +86,6 @@ namespace LLAvatarNameCache
/// Provide some fallback for agents that return errors
void handleAgentError(const LLUUID& agent_id);
// Force a re-fetch of the most recent data, but keep the current
// data in cache
void fetch(const LLUUID& agent_id);
void insert(const LLUUID& agent_id, const LLAvatarName& av_name);
// Compute name expiration time from HTTP Cache-Control header,