add two items

Author: 317787106

framework/src/main/resources/config.conf

@@ -9,31 +9,26 @@ storage {
   db.sync = false,
   db.directory = "database",
 
+  # Whether to write transaction result in transRet store
   transHistory.switch = "on",
-  # You can custom these 14 databases' configs:
-
-  # account, account-index, asset-issue, block, block-index,
-  # block_KDB, peers, properties, recent-block, trans,
-  # utxo, votes, witness, witness_schedule.
-
-  # Otherwise, db configs will remain default and data will be stored in
-  # the path of "output-directory" or which is set by "-d" ("--output-directory").
 
   # setting can impove leveldb performance .... start, deprecated for arm
   # node: if this will increase process fds,you may be check your ulimit if 'too many open files' error occurs
   # see https://github.com/tronprotocol/tips/blob/master/tip-343.md for detail
-  # if you find block sync has lower performance,you can try  this  settings
-  #default = {
+  # if you find block sync has lower performance, you can try this settings
+  # default = {
   #  maxOpenFiles = 100
-  #}
-  #defaultM = {
+  # }
+  # defaultM = {
   #  maxOpenFiles = 500
-  #}
-  #defaultL = {
+  # }
+  # defaultL = {
   #  maxOpenFiles = 1000
-  #}
+  # }
   # setting can impove leveldb performance .... end, deprecated for arm
 
+  # You can custom every database' configs, Otherwise, db configs will remain default and data will
+  # be stored in the path of "output-directory" or which is set by "-d" ("--output-directory").
   # Attention: name is a required field that must be set !!!
   properties = [
     #    {
@@ -75,6 +70,7 @@ storage {
     level0FileNumCompactionTrigger = 4
     targetFileSizeBase = 256  // n * MB
     targetFileSizeMultiplier = 1
+    maxOpenFiles = 5000
   }
 
   balance.history.lookup = false
@@ -85,11 +81,14 @@ storage {
   # the estimated number of block transactions (default 1000, min 100, max 10000).
   # so the total number of cached transactions is 65536 * txCache.estimatedTransactions
   # txCache.estimatedTransactions = 1000
+
   # if true, transaction cache initialization will be faster. Default: false
   # txCache.initOptimization = true
 
-  # data root setting, for check data, currently, only reward-vi is used.
+  # The number of blocks flushed to db in each batch during node syncing. Default: 1
+  snapshot.maxFlushCount = 1
 
+  # data root setting, for check data, currently, only reward-vi is used.
   # merkleRoot = {
   # reward-vi = 9debcb9924055500aaae98cdee10501c5c39d4daa75800a996f4bdda73dbccd8 // main-net, Sha256Hash, hexString
   # }