diff --git a/plugins/net_plugin/include/eos/net_plugin/message_buffer.hpp b/plugins/net_plugin/include/eos/net_plugin/message_buffer.hpp
index 082b15a14d3..9b21db78cdd 100644
--- a/plugins/net_plugin/include/eos/net_plugin/message_buffer.hpp
+++ b/plugins/net_plugin/include/eos/net_plugin/message_buffer.hpp
@@ -74,7 +74,6 @@ namespace eosio {
      *  Does not affect the read or write pointer.
      */
     void add_buffer_to_chain() {
-      elog ("adding a buffer,  = ${s}. buff.size = ${b}",("s",sanity_check)("b",buffers.size()));
       sanity_check++;
       buffers.push_back(pool().malloc());
     }
@@ -86,10 +85,6 @@ namespace eosio {
      */
     void add_space(uint32_t bytes) {
       int buffers_to_add = bytes / buffer_len + 1;
-      if (write_ind.first >= buffers.size()) {
-        elog ("growing buffer, from ${bs} (sanity ${s}) adding ${bta} ",("bs",buffers.size())("bta",buffers_to_add)("s",sanity_check));
-      }
-
       for (int i = 0; i < buffers_to_add; i++) {
         sanity_check++;
         buffers.push_back(pool().malloc());
@@ -101,8 +96,8 @@ namespace eosio {
      *  discarded.
      */
     void reset() {
-      elog ("read_ind = ${r1}, ${r2} write_ind = ${w1}, ${w2}, buff.size = ${bs}, sanity = ${s}",
-            ("r1",read_ind.first)("r2",read_ind.second)("w1",write_ind.first)("w2",write_ind.second)("bs",buffers.size())("s",sanity_check));
+      //dlog ("read_ind = ${r1}, ${r2} write_ind = ${w1}, ${w2}, buff.size = ${bs}, sanity = ${s}",
+      // ("r1",read_ind.first)("r2",read_ind.second)("w1",write_ind.first)("w2",write_ind.second)("bs",buffers.size())("s",sanity_check));
       if( buffers.size() != sanity_check) {
         exit(0);
       }
@@ -152,10 +147,8 @@ namespace eosio {
     void advance_read_ptr(uint32_t bytes) {
       advance_index(read_ind, bytes);
       if (read_ind == write_ind) {
-        ilog("calling reset");
         reset();
       } else if (read_ind.first > 0) {
-        elog ("shrinking buffer, from ${bs} (sanity = ${s}) by ${r1}",("bs",buffers.size())("r1",read_ind.first)("s",sanity_check));
         while (read_ind.first > 0) {
           pool().destroy(buffers.front());
           buffers.pop_front();
@@ -172,9 +165,6 @@ namespace eosio {
      */
     void advance_write_ptr(uint32_t bytes) {
       advance_index(write_ind, bytes);
-      if (write_ind.first >= buffers.size()) {
-        elog ("growing buffer, from ${bs} (sanity = ${s}) to ${w1}",("bs",buffers.size())("w1",write_ind.first+1)("s",sanity_check));
-      }
       while (write_ind.first >= buffers.size()) {
         sanity_check++;
         buffers.push_back(pool().malloc());
@@ -270,9 +260,8 @@ namespace eosio {
     index_t read_ind;
     index_t write_ind;
     size_t sanity_check;
-  };
-
 
+  };
 
   /*
    *  @brief datastream adapter that adapts message_buffer for use with fc unpack
diff --git a/plugins/net_plugin/net_plugin.cpp b/plugins/net_plugin/net_plugin.cpp
index bca1efdd2b6..34739aa9a99 100644
--- a/plugins/net_plugin/net_plugin.cpp
+++ b/plugins/net_plugin/net_plugin.cpp
@@ -375,7 +375,7 @@ namespace eosio {
     sync_state_ptr          sync_requested;  // this peer is requesting info from us
     socket_ptr              socket;
 
-    message_buffer<65546>    pending_message_buffer;
+    message_buffer<1024*1024>    pending_message_buffer;
     vector<char>            send_buffer;
     vector<char>            blk_buffer;
 
@@ -884,6 +884,7 @@ namespace eosio {
     switch (reason) {
     case validation :
     case fatal_other : {
+      no_retry = reason;
       enqueue( go_away_message( reason ));
       break;
     }
@@ -1107,8 +1108,8 @@ namespace eosio {
 
   void sync_manager::reset_lib_num() {
     sync_known_lib_num = chain_plug->chain().last_irreversible_block_num();
-    sync_last_requested_num = 0;
-    for (auto& c : my_impl->connections) {
+    sync_last_requested_num = chain_plug->chain().head_block_num();
+     for (auto& c : my_impl->connections) {
       if( c->last_handshake.last_irreversible_block_num > sync_known_lib_num) {
         sync_known_lib_num =c->last_handshake.last_irreversible_block_num;
       }
@@ -1128,7 +1129,7 @@ namespace eosio {
     uint32_t head_block = chain_plug->chain().head_block_num();
 
     if (head_block < sync_last_requested_num) {
-      ilog ("ignoring request, head is ${h} last req = ${r}",("h",head_block)("r",sync_last_requested_num));
+      fc_dlog (logger, "ignoring request, head is ${h} last req = ${r}",("h",head_block)("r",sync_last_requested_num));
       return;
     }
 
@@ -1196,7 +1197,7 @@ namespace eosio {
     }
 
     if(source->sync_receiving && source->sync_receiving->start_block == head_block + 1) {
-        source->enqueue( (sync_request_message){source->sync_receiving->start_block,
+      source->enqueue( (sync_request_message){source->sync_receiving->start_block,
               source->sync_receiving->end_block});
         sync_last_requested_num = source->sync_receiving->end_block;
     }
@@ -1246,6 +1247,7 @@ namespace eosio {
       sync_known_lib_num = target;
     }
     if( c->sync_receiving && c->sync_receiving->end_block > 0) {
+      ilog("connection already has end block ${eb}",("eb",c->sync_receiving->end_block));
       return;
     }
     request_next_chunk(c);
@@ -1355,8 +1357,10 @@ namespace eosio {
           [this,conn]( boost::system::error_code ec, std::size_t bytes_transferred ) {
             try {
               if( !ec ) {
-                ilog("bytes_xferd = ${bt} btw = ${btw}",("bt",bytes_transferred)("btw",conn->pending_message_buffer.bytes_to_write()));
-                //      FC_ASSERT(bytes_transferred <= conn->pending_message_buffer.bytes_to_write());
+                if (bytes_transferred > conn->pending_message_buffer.bytes_to_write()) {
+                  elog("async_read_some callback: bytes_transfered = ${bt}, buffer.bytes_to_write = ${btw}",("bt",bytes_transferred)("btw",conn->pending_message_buffer.bytes_to_write()));
+                }
+                FC_ASSERT(bytes_transferred <= conn->pending_message_buffer.bytes_to_write());
                 conn->pending_message_buffer.advance_write_ptr(bytes_transferred);
                 while (conn->pending_message_buffer.bytes_to_read() > 0) {
                   uint32_t bytes_in_buffer = conn->pending_message_buffer.bytes_to_read();
@@ -1518,7 +1522,6 @@ namespace eosio {
       block_id_type head_id = cc.head_block_id();
 
       if( peer_lib > head || sync_master->syncing() ) {
-        ilog("calling start_sync, peer_lib = ${pl} head = ${h}",("pl",peer_lib)("h",head));
         sync_master->start_sync( c, peer_lib );
       }
       else if( msg.head_id != head_id ) {
@@ -1649,7 +1652,6 @@ namespace eosio {
         break;
       }
       case id_list_modes::last_irr_catch_up : {
-        ilog("calling start_sync, pending = ${pl}",("pl",msg.known_blocks.pending));
         if (!c->sync_receiving) {
           sync_master->start_sync(c, msg.known_blocks.pending);
         }
@@ -1765,10 +1767,8 @@ namespace eosio {
     }
 
     void net_plugin_impl::handle_message( connection_ptr c, const sync_request_message &msg) {
-      ilog( "got a sync_request_message { ${s} - ${e} } from ${p}",("s",msg.start_block)("e",msg.end_block) ("p",c->peer_name()));
       if( msg.end_block == 0) {
         c->sync_requested.reset();
-        ilog ("out_queue size is ${os} and write_queue size is ${ws}",("os",c->out_queue.size())("ws", c->write_queue.size()));
         c->flush_queues();
       } else {
         c->sync_requested.reset(new sync_state( msg.start_block,msg.end_block,msg.start_block-1));
@@ -2016,7 +2016,6 @@ namespace eosio {
       if( num == c->sync_receiving->end_block) {
         sync_master->take_chunk( c);
       } else {
-        //        ilog ("calling sync wait again");
         c->sync_wait( );
       }
     }