void CachedPlanRunner::updateCache() {
_updatedCache = true;
if (_killed) {
return;
}
Database* db = cc().database();
// XXX: We need to check for NULL because this is called upon
// destruction of the CachedPlanRunner. In some cases, the db
// or collection could be dropped without kill() being called
// on the runner (for example, timeout of a ClientCursor holding
// the runner).
if (NULL == db) { return; }
Collection* collection = db->getCollection(_canonicalQuery->ns());
if (NULL == collection) { return; }
PlanCache* cache = collection->infoCache()->getPlanCache();
std::auto_ptr<PlanCacheEntryFeedback> feedback(new PlanCacheEntryFeedback());
// XXX: what else can we provide here?
feedback->stats.reset(_exec->getStats());
feedback->score = PlanRanker::scoreTree(feedback->stats.get());
Status fbs = cache->feedback(*_canonicalQuery, feedback.release());
if (!fbs.isOK()) {
QLOG() << _canonicalQuery->ns() << ": Failed to update cache with feedback: "
<< fbs.toString() << " - "
<< "(query: " << _canonicalQuery->getQueryObj()
<< "; sort: " << _canonicalQuery->getParsed().getSort()
<< "; projection: " << _canonicalQuery->getParsed().getProj()
<< ") is no longer in plan cache.";
}
}
void CachedPlanRunner::updateCache() {
_updatedCache = true;
// We're done. Update the cache.
PlanCache* cache = PlanCache::get(_canonicalQuery->ns());
// TODO: Is this an error?
if (NULL == cache) { return; }
// TODO: How do we decide this?
bool shouldRemovePlan = false;
if (shouldRemovePlan) {
if (!cache->remove(*_canonicalQuery, *_cachedQuery->solution)) {
warning() << "Cached plan runner couldn't remove plan from cache. Maybe"
" somebody else did already?";
return;
}
}
// We're done running. Update cache.
auto_ptr<CachedSolutionFeedback> feedback(new CachedSolutionFeedback());
feedback->stats = _exec->getStats();
cache->feedback(*_canonicalQuery, *_cachedQuery->solution, feedback.release());
}
void CachedPlanStage::updatePlanCache() {
const double score = PlanRanker::scoreTree(getStats()->children[0].get());
PlanCache* cache = collection()->infoCache()->getPlanCache();
Status fbs = cache->feedback(*_canonicalQuery, score);
if (!fbs.isOK()) {
LOG(5) << _canonicalQuery->ns() << ": Failed to update cache with feedback: " << redact(fbs)
<< " - "
<< "(query: " << redact(_canonicalQuery->getQueryObj())
<< "; sort: " << _canonicalQuery->getQueryRequest().getSort()
<< "; projection: " << _canonicalQuery->getQueryRequest().getProj()
<< ") is no longer in plan cache.";
}
}
void CachedPlanStage::updatePlanCache() {
std::unique_ptr<PlanCacheEntryFeedback> feedback = stdx::make_unique<PlanCacheEntryFeedback>();
feedback->stats = getStats();
feedback->score = PlanRanker::scoreTree(feedback->stats.get());
PlanCache* cache = _collection->infoCache()->getPlanCache();
Status fbs = cache->feedback(*_canonicalQuery, feedback.release());
if (!fbs.isOK()) {
LOG(5) << _canonicalQuery->ns()
<< ": Failed to update cache with feedback: " << fbs.toString() << " - "
<< "(query: " << _canonicalQuery->getQueryObj()
<< "; sort: " << _canonicalQuery->getParsed().getSort()
<< "; projection: " << _canonicalQuery->getParsed().getProj()
<< ") is no longer in plan cache.";
}
}
void CachedPlanRunner::updateCache() {
_updatedCache = true;
Database* db = cc().database();
verify(NULL != db);
Collection* collection = db->getCollection(_canonicalQuery->ns());
verify(NULL != collection);
PlanCache* cache = collection->infoCache()->getPlanCache();
std::auto_ptr<PlanCacheEntryFeedback> feedback(new PlanCacheEntryFeedback());
// XXX: what else can we provide here?
feedback->stats.reset(_exec->getStats());
feedback->score = PlanRanker::scoreTree(feedback->stats.get());
Status fbs = cache->feedback(*_canonicalQuery, feedback.release());
if (!fbs.isOK()) {
// XXX: what should happen here?
warning() << "Failed to update cache with feedback: " << fbs.toString() << endl;
}
}