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authorKelly Washington <kelly@lindenlab.com>2012-11-12 14:10:02 -0800
committerKelly Washington <kelly@lindenlab.com>2012-11-12 14:10:02 -0800
commit5646e564e5460db359f0b6641dc86d09b449ce3c (patch)
treeb7881905893b35326abac2d814e69f0b03c6e3b4 /indra/llmessage/llavatarnamecache.cpp
parent42c957e9d823ee5124fa1ac992fc0e803a3b0d9a (diff)
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.
Diffstat (limited to 'indra/llmessage/llavatarnamecache.cpp')
-rw-r--r--indra/llmessage/llavatarnamecache.cpp58
1 files changed, 25 insertions, 33 deletions
diff --git a/indra/llmessage/llavatarnamecache.cpp b/indra/llmessage/llavatarnamecache.cpp
index 32d9d8bfc3..700525e1fa 100644
--- a/indra/llmessage/llavatarnamecache.cpp
+++ b/indra/llmessage/llavatarnamecache.cpp
@@ -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?