From d2d8a41c47b408df35d1379255fc009f50a0b770 Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@symas.com>
Date: Sun, 17 Sep 2017 00:12:42 +0100
Subject: Use actual batch size for resize estimates

And optimize import startup:

Remember start_height position during initial count_blocks pass
to avoid having to reread entire file again to arrive at start_height
---
 src/cryptonote_core/blockchain.cpp | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'src/cryptonote_core')

diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp
index 69d2edf65..c7d81d4e8 100644
--- a/src/cryptonote_core/blockchain.cpp
+++ b/src/cryptonote_core/blockchain.cpp
@@ -3666,6 +3666,7 @@ bool Blockchain::prepare_handle_incoming_blocks(const std::list<block_complete_e
   MTRACE("Blockchain::" << __func__);
   TIME_MEASURE_START(prepare);
   bool stop_batch;
+  uint64_t bytes = 0;
 
   // Order of locking must be:
   //  m_incoming_tx_lock (optional)
@@ -3687,7 +3688,15 @@ bool Blockchain::prepare_handle_incoming_blocks(const std::list<block_complete_e
   if(blocks_entry.size() == 0)
     return false;
 
-  while (!(stop_batch = m_db->batch_start(blocks_entry.size()))) {
+  for (const auto &entry : blocks_entry)
+  {
+    bytes += entry.block.size();
+    for (const auto &tx_blob : entry.txs)
+    {
+      bytes += tx_blob.size();
+    }
+  }
+  while (!(stop_batch = m_db->batch_start(blocks_entry.size(), bytes))) {
     m_blockchain_lock.unlock();
     m_tx_pool.unlock();
     epee::misc_utils::sleep_no_w(1000);
-- 
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