diff --git a/logd/FlushCommand.cpp b/logd/FlushCommand.cpp
index d584925..823a842 100644
--- a/logd/FlushCommand.cpp
+++ b/logd/FlushCommand.cpp
@@ -72,7 +72,7 @@
             return;
         }
         entry = new LogTimeEntry(mReader, client, mNonBlock, mTail, mLogMask, mPid, mStart);
-        times.push_back(entry);
+        times.push_front(entry);
     }
 
     client->incRef();
diff --git a/logd/LogBuffer.cpp b/logd/LogBuffer.cpp
index b9e8973..db3f26c 100644
--- a/logd/LogBuffer.cpp
+++ b/logd/LogBuffer.cpp
@@ -217,34 +217,35 @@
     return len;
 }
 
-// If we're using more than 256K of memory for log entries, prune
-// at least 10% of the log entries. For sizes above 1M, prune at
-// least 1% of the log entries.
+// Prune at most 10% of the log entries or 256, whichever is less.
 //
 // mLogElementsLock must be held when this function is called.
 void LogBuffer::maybePrune(log_id_t id) {
     size_t sizes = stats.sizes(id);
     unsigned long maxSize = log_buffer_size(id);
     if (sizes > maxSize) {
-        size_t sizeOver, minElements, elements = stats.elements(id);
-        if (maxSize > (4 * LOG_BUFFER_SIZE)) {
-            sizeOver = sizes - ((maxSize * 99) / 100);
-            minElements = elements / 100;
-        } else {
-            sizeOver = sizes - ((maxSize * 9) / 10);
-            minElements = elements / 10;
-        }
+        size_t sizeOver = sizes - ((maxSize * 9) / 10);
+        size_t elements = stats.elements(id);
+        size_t minElements = elements / 10;
         unsigned long pruneRows = elements * sizeOver / sizes;
         if (pruneRows <= minElements) {
             pruneRows = minElements;
         }
+        if (pruneRows > 256) {
+            pruneRows = 256;
+        }
         prune(id, pruneRows);
     }
 }
 
 LogBufferElementCollection::iterator LogBuffer::erase(LogBufferElementCollection::iterator it) {
     LogBufferElement *e = *it;
+    log_id_t id = e->getLogId();
+    LogBufferIteratorMap::iterator f = mLastWorstUid[id].find(e->getUid());
 
+    if ((f != mLastWorstUid[id].end()) && (it == f->second)) {
+        mLastWorstUid[id].erase(f);
+    }
     it = mLogElements.erase(it);
     stats.subtract(e);
     delete e;
@@ -403,8 +404,17 @@
 
         bool kick = false;
         bool leading = true;
+        it = mLogElements.begin();
+        if (worst != (uid_t) -1) {
+            LogBufferIteratorMap::iterator f = mLastWorstUid[id].find(worst);
+            if ((f != mLastWorstUid[id].end())
+                    && (f->second != mLogElements.end())) {
+                leading = false;
+                it = f->second;
+            }
+        }
         LogBufferElementLast last;
-        for(it = mLogElements.begin(); it != mLogElements.end();) {
+        while (it != mLogElements.end()) {
             LogBufferElement *e = *it;
 
             if (oldest && (oldest->mStart <= e->getSequence())) {
@@ -454,8 +464,10 @@
                 continue;
             }
 
+            // unmerged drop message
             if (dropped) {
                 last.add(e);
+                mLastWorstUid[id][e->getUid()] = it;
                 ++it;
                 continue;
             }
@@ -500,6 +512,7 @@
                     delete e;
                 } else {
                     last.add(e);
+                    mLastWorstUid[id][e->getUid()] = it;
                     ++it;
                 }
             }
diff --git a/logd/LogBuffer.h b/logd/LogBuffer.h
index a13fded..e94598c 100644
--- a/logd/LogBuffer.h
+++ b/logd/LogBuffer.h
@@ -19,9 +19,10 @@
 
 #include <sys/types.h>
 
+#include <list>
+
 #include <log/log.h>
 #include <sysutils/SocketClient.h>
-#include <utils/List.h>
 
 #include <private/android_filesystem_config.h>
 
@@ -30,7 +31,7 @@
 #include "LogStatistics.h"
 #include "LogWhiteBlackList.h"
 
-typedef android::List<LogBufferElement *> LogBufferElementCollection;
+typedef std::list<LogBufferElement *> LogBufferElementCollection;
 
 class LogBuffer {
     LogBufferElementCollection mLogElements;
@@ -39,6 +40,11 @@
     LogStatistics stats;
 
     PruneList mPrune;
+    // watermark of any worst/chatty uid processing
+    typedef std::unordered_map<uid_t,
+                               LogBufferElementCollection::iterator>
+                LogBufferIteratorMap;
+    LogBufferIteratorMap mLastWorstUid[LOG_ID_MAX];
 
     unsigned long mMaxSize[LOG_ID_MAX];
 
diff --git a/logd/LogTimes.h b/logd/LogTimes.h
index 783bce6..39bcdd4 100644
--- a/logd/LogTimes.h
+++ b/logd/LogTimes.h
@@ -20,8 +20,10 @@
 #include <pthread.h>
 #include <time.h>
 #include <sys/types.h>
+
+#include <list>
+
 #include <sysutils/SocketClient.h>
-#include <utils/List.h>
 #include <log/log.h>
 
 class LogReader;
@@ -107,6 +109,6 @@
     static int FilterSecondPass(const LogBufferElement *element, void *me);
 };
 
-typedef android::List<LogTimeEntry *> LastLogTimes;
+typedef std::list<LogTimeEntry *> LastLogTimes;
 
-#endif
+#endif // _LOGD_LOG_TIMES_H__
diff --git a/logd/LogWhiteBlackList.cpp b/logd/LogWhiteBlackList.cpp
index 277b3ca..16dd6d2 100644
--- a/logd/LogWhiteBlackList.cpp
+++ b/logd/LogWhiteBlackList.cpp
@@ -50,18 +50,14 @@
 }
 
 PruneList::PruneList() : mWorstUidEnabled(true) {
-    mNaughty.clear();
-    mNice.clear();
 }
 
 PruneList::~PruneList() {
     PruneCollection::iterator it;
     for (it = mNice.begin(); it != mNice.end();) {
-        delete (*it);
         it = mNice.erase(it);
     }
     for (it = mNaughty.begin(); it != mNaughty.end();) {
-        delete (*it);
         it = mNaughty.erase(it);
     }
 }
@@ -70,11 +66,9 @@
     mWorstUidEnabled = true;
     PruneCollection::iterator it;
     for (it = mNice.begin(); it != mNice.end();) {
-        delete (*it);
         it = mNice.erase(it);
     }
     for (it = mNaughty.begin(); it != mNaughty.end();) {
-        delete (*it);
         it = mNaughty.erase(it);
     }
 
@@ -142,28 +136,28 @@
         // insert sequentially into list
         PruneCollection::iterator it = list->begin();
         while (it != list->end()) {
-            Prune *p = *it;
-            int m = uid - p->mUid;
+            Prune &p = *it;
+            int m = uid - p.mUid;
             if (m == 0) {
-                if (p->mPid == p->pid_all) {
+                if (p.mPid == p.pid_all) {
                     break;
                 }
-                if ((pid == p->pid_all) && (p->mPid != p->pid_all)) {
+                if ((pid == p.pid_all) && (p.mPid != p.pid_all)) {
                     it = list->erase(it);
                     continue;
                 }
-                m = pid - p->mPid;
+                m = pid - p.mPid;
             }
             if (m <= 0) {
                 if (m < 0) {
-                    list->insert(it, new Prune(uid,pid));
+                    list->insert(it, Prune(uid,pid));
                 }
                 break;
             }
             ++it;
         }
         if (it == list->end()) {
-            list->push_back(new Prune(uid,pid));
+            list->push_back(Prune(uid,pid));
         }
         if (!*str) {
             break;
@@ -193,7 +187,7 @@
 
     for (it = mNice.begin(); it != mNice.end(); ++it) {
         char *a = NULL;
-        (*it)->format(&a);
+        (*it).format(&a);
 
         string.appendFormat(fmt, a);
         fmt = nice_format;
@@ -205,7 +199,7 @@
     fmt = naughty_format + (*fmt != ' ');
     for (it = mNaughty.begin(); it != mNaughty.end(); ++it) {
         char *a = NULL;
-        (*it)->format(&a);
+        (*it).format(&a);
 
         string.appendFormat(fmt, a);
         fmt = naughty_format;
@@ -223,7 +217,7 @@
 bool PruneList::naughty(LogBufferElement *element) {
     PruneCollection::iterator it;
     for (it = mNaughty.begin(); it != mNaughty.end(); ++it) {
-        if (!(*it)->cmp(element)) {
+        if (!(*it).cmp(element)) {
             return true;
         }
     }
@@ -233,7 +227,7 @@
 bool PruneList::nice(LogBufferElement *element) {
     PruneCollection::iterator it;
     for (it = mNice.begin(); it != mNice.end(); ++it) {
-        if (!(*it)->cmp(element)) {
+        if (!(*it).cmp(element)) {
             return true;
         }
     }
diff --git a/logd/LogWhiteBlackList.h b/logd/LogWhiteBlackList.h
index 5f60801..57cd03b 100644
--- a/logd/LogWhiteBlackList.h
+++ b/logd/LogWhiteBlackList.h
@@ -19,7 +19,7 @@
 
 #include <sys/types.h>
 
-#include <utils/List.h>
+#include <list>
 
 #include <LogBufferElement.h>
 
@@ -47,7 +47,7 @@
     void format(char **strp);
 };
 
-typedef android::List<Prune *> PruneCollection;
+typedef std::list<Prune> PruneCollection;
 
 class PruneList {
     PruneCollection mNaughty;
diff --git a/metricsd/constants.h b/metricsd/constants.h
index d65e0e0..56dac0d 100644
--- a/metricsd/constants.h
+++ b/metricsd/constants.h
@@ -21,7 +21,7 @@
 static const char kMetricsDirectory[] = "/data/misc/metrics/";
 static const char kMetricsEventsFilePath[] = "/data/misc/metrics/uma-events";
 static const char kMetricsGUIDFilePath[] = "/data/misc/metrics/Sysinfo.GUID";
-static const char kMetricsServer[] = "http://clients4.google.com/uma/v2";
+static const char kMetricsServer[] = "https://clients4.google.com/uma/v2";
 static const char kConsentFilePath[] = "/data/misc/metrics/enabled";
 static const char kDefaultVersion[] = "0.0.0.0";
 }  // namespace metrics