How to increase the node qps for both jsonrpc and http api?

[PikaZ76]

I'd like to deploy a Tron full node used to sync data through it's jsonrpc and http api, is there any solution in configuration to hit the limition of the server?
I got a 64 core CPU, 256 GB Memory.

and I used this configuration:

node {
  tcpNettyWorkThreadNum = 128

  udpNettyWorkThreadNum = 8 
}

rpc {
    thread = 32
}

rate.limiter{
  # global qps, default 50000
  global.qps = 500000
  # IP-based global qps, default 10000
  global.ip.qps = 500000
}

so, are there any way to do in configuration file or JVM to maxmum the api performance?

[angrynurd]

@PikaZ76
Based on your machine specifications (which are quite high-end), I would recommend the following configurations to maximize resource utilization:

1. Increase JVM memory allocation in startup command:

# Example: increase to 128GB
JAVA_OPTS="-Xms128g -Xmx128g"

2. Increase QPS limits:

rate.limiter = {
  global.qps = 500000
  global.ip.qps = 500000
}

3.HTTP configuration:

node {
  maxHttpConnectNumber = 500  # increase from default 50
}

When adjusting these configurations, please tune them gradually based on monitoring metrics:

If CPU usage is too high, consider reducing thread count
If memory usage is too high, reduce maxHttpConnectNumber
If response time increases, lower QPS limits

[PikaZ76]

any solution on leveldb config?

[angrynurd]

any solution on leveldb config?

@PikaZ76
If you are using a mainstream SSD drive, the query latency of LevelDB is very low (compared to the overall latency of JSON-RPC/HTTP interfaces). Typically, in a single API query, LevelDB only takes about 5-10ms, which is already very fast. The disk(especially SSD drive ) is usually not the bottleneck.

If you still want to improve LevelDB performance, you can try modifying the following parameters in the storage section of the main_net_config.conf file:

1.cacheSize: Recommended to set a larger value (like 4GB or more) to improve cache hit rate
2.maxOpenFiles: Set a larger value to avoid frequent file open/close operations

[vivian1912]

@PikaZ76 May I ask if the above answer your question? If yes, this issue will be closed later and please feel free to re-open it if you still see the issue, thanks.

[PikaZ76]

@PikaZ76 May I ask if the above answer your question? If yes, this issue will be closed later and please feel free to re-open it if you still see the issue, thanks.

Thanks, but I'm still testin this

[PikaZ76]

@angrynurd Here is config of my Tron node. so there are any way to push it's performance for jsonrpc and http api??

64 core CPU, 256 GB Memory.

net {
  type = mainnet
  # type = testnet
}

storage {
  # Directory for storing persistent data
  db.engine = "LEVELDB",
  db.sync = false,
  db.directory = "database",
  index.directory = "index",
  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
  # 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 = {
  #  maxOpenFiles = 100
  #}
  #defaultM = {
  #  maxOpenFiles = 500
  #}
  #defaultL = {
  #  maxOpenFiles = 1000
  #}
  # setting can impove leveldb performance .... end
  # Attention: name is a required field that must be set !!!
  properties = [
    //    {
    //      name = "account",
    //      path = "storage_directory_test",
    //      createIfMissing = true,
    //      paranoidChecks = true,
    //      verifyChecksums = true,
    //      compressionType = 1,        // compressed with snappy
    //      blockSize = 4096,           // 4  KB =         4 * 1024 B
    //      writeBufferSize = 10485760, // 10 MB = 10 * 1024 * 1024 B
    //      cacheSize = 10485760,       // 10 MB = 10 * 1024 * 1024 B
    //      maxOpenFiles = 100
    //    },
    //    {
    //      name = "account-index",
    //      path = "storage_directory_test",
    //      createIfMissing = true,
    //      paranoidChecks = true,
    //      verifyChecksums = true,
    //      compressionType = 1,        // compressed with snappy
    //      blockSize = 4096,           // 4  KB =         4 * 1024 B
    //      writeBufferSize = 10485760, // 10 MB = 10 * 1024 * 1024 B
    //      cacheSize = 10485760,       // 10 MB = 10 * 1024 * 1024 B
    //      maxOpenFiles = 100
    //    },
  ]

  needToUpdateAsset = true

  //dbsettings is needed when using rocksdb as the storage implement (db.engine="ROCKSDB").
  //we'd strongly recommend that do not modify it unless you know every item's meaning clearly.
  dbSettings = {
    levelNumber = 7
    //compactThreads = 32
    blocksize = 64  // n * KB
    maxBytesForLevelBase = 256  // n * MB
    maxBytesForLevelMultiplier = 10
    level0FileNumCompactionTrigger = 4
    targetFileSizeBase = 256  // n * MB
    targetFileSizeMultiplier = 1
  }

  //backup settings when using rocks db as the storage implement (db.engine="ROCKSDB").
  //if you want to use the backup plugin, please confirm set the db.engine="ROCKSDB" above.
  backup = {
    enable = false  // indicate whether enable the backup plugin
    propPath = "prop.properties" // record which bak directory is valid
    bak1path = "bak1/database" // you must set two backup directories to prevent application halt unexpected(e.g. kill -9).
    bak2path = "bak2/database"
    frequency = 10000   // indicate backup db once every 10000 blocks processed.
  }

  balance.history.lookup = false

  # checkpoint.version = 2
  # checkpoint.sync = true

  # 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

  # data root setting, for check data, currently, only reward-vi is used.

  # merkleRoot = {
  # reward-vi = 9debcb9924055500aaae98cdee10501c5c39d4daa75800a996f4bdda73dbccd8 // main-net, Sha256Hash, hexString
  # }
}

node.discovery = {
  enable = true
  persist = true
}

# custom stop condition
#node.shutdown = {
#  BlockTime  = "54 59 08 * * ?" # if block header time in persistent db matched.
#  BlockHeight = 33350800 # if block header height in persistent db matched.
#  BlockCount = 12 # block sync count after node start.
#}

node.backup {
  # udp listen port, each member should have the same configuration
  port = 10001

  # my priority, each member should use different priority
  priority = 8

  # time interval to send keepAlive message, each member should have the same configuration
  keepAliveInterval = 3000

  # peer's ip list, can't contain mine
  members = [
    # "ip",
    # "ip"
  ]
}

crypto {
  engine = "eckey"
}
# prometheus metrics start
# node.metrics = {
#  prometheus{
#    enable=true
#    port="9527"
#  }
# }

# prometheus metrics end

node {
  # trust node for solidity node
  # trustNode = "ip:port"
  trustNode = "127.0.0.1:50051"

  # expose extension api to public or not
  walletExtensionApi = true

  listen.port = 18888

  connection.timeout = 2

  fetchBlock.timeout = 200

  tcpNettyWorkThreadNum = 128 # TODO

  udpNettyWorkThreadNum = 8 # TODO

  # Number of validate sign thread, default availableProcessors / 2
  # validateSignThreadNum = 16

  maxConnections = 30

  minConnections = 8

  minActiveConnections = 3

  maxConnectionsWithSameIp = 1000 # todo

  maxHttpConnectNumber = 1000 # todo

  minParticipationRate = 15

  isOpenFullTcpDisconnect = false

  p2p {
    version = 11111 # 11111: mainnet; 20180622: testnet
  }

  active = [
    # Active establish connection in any case
    # Sample entries:
    # "ip:port",
    # "ip:port"
  ]

  passive = [
    # Passive accept connection in any case
    # Sample entries:
    # "ip:port",
    # "ip:port"
  ]

  fastForward = [
    "100.26.245.209:18888",
    "15.188.6.125:18888"
  ]

  http {
    fullNodeEnable = true
    fullNodePort = 8090
    solidityEnable = false
    solidityPort = 8091
  }

  rpc {
    port = 50051
    #solidityPort = 50061
    # Number of gRPC thread, default availableProcessors / 2
    thread = 8

    # The maximum number of concurrent calls permitted for each incoming connection
    # maxConcurrentCallsPerConnection =

    # The HTTP/2 flow control window, default 1MB
    # flowControlWindow =

    # Connection being idle for longer than which will be gracefully terminated
    maxConnectionIdleInMillis = 60000

    # Connection lasting longer than which will be gracefully terminated
    # maxConnectionAgeInMillis =

    # The maximum message size allowed to be received on the server, default 4MB
    # maxMessageSize =

    # The maximum size of header list allowed to be received, default 8192
    # maxHeaderListSize =

    # Transactions can only be broadcast if the number of effective connections is reached.
    minEffectiveConnection = 1

    # The switch of the reflection service, effective for all gRPC services
    # reflectionService = true
  }

  # number of solidity thread in the FullNode.
  # If accessing solidity rpc and http interface timeout, could increase the number of threads,
  # The default value is the number of cpu cores of the machine.
  solidity.threads = 8

  # Limits the maximum percentage (default 75%) of producing block interval
  # to provide sufficient time to perform other operations e.g. broadcast block
  # blockProducedTimeOut = 75

  # Limits the maximum number (default 700) of transaction from network layer
  # netMaxTrxPerSecond = 700

  # Whether to enable the node detection function, default false
  # nodeDetectEnable = false

  # use your ipv6 address for node discovery and tcp connection, default false
  # enableIpv6 = false

  # if your node's highest block num is below than all your pees', try to acquire new connection. default false
  # effectiveCheckEnable = false

  # Dynamic loading configuration function, disabled by default
  # dynamicConfig = {
    # enable = false
    # Configuration file change check interval, default is 600 seconds
    # checkInterval = 600
  # }

  dns {
    # dns urls to get nodes, url format tree://{pubkey}@{domain}, default empty
    treeUrls = [
      #"tree://AKMQMNAJJBL73LXWPXDI4I5ZWWIZ4AWO34DWQ636QOBBXNFXH3LQS@main.trondisco.net", //offical dns tree
    ]

    # enable or disable dns publish, default false
    # publish = false

    # dns domain to publish nodes, required if publish is true
    # dnsDomain = "nodes1.example.org"

    # dns private key used to publish, required if publish is true, hex string of length 64
    # dnsPrivate = "b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291"

    # known dns urls to publish if publish is true, url format tree://{pubkey}@{domain}, default empty
    # knownUrls = [
    #"tree://APFGGTFOBVE2ZNAB3CSMNNX6RRK3ODIRLP2AA5U4YFAA6MSYZUYTQ@nodes2.example.org",
    # ]

    # staticNodes = [
    # static nodes to published on dns
    # Sample entries:
    # "ip:port",
    # "ip:port"
    # ]

    # merge several nodes into a leaf of tree, should be 1~5
    # maxMergeSize = 5

    # only nodes change percent is bigger then the threshold, we update data on dns
    # changeThreshold = 0.1

    # dns server to publish, required if publish is true, only aws or aliyun is support
    # serverType = "aws"

    # access key id of aws or aliyun api, required if publish is true, string
    # accessKeyId = "your-key-id"

    # access key secret of aws or aliyun api, required if publish is true, string
    # accessKeySecret = "your-key-secret"

    # if publish is true and serverType is aliyun, it's endpoint of aws dns server, string
    # aliyunDnsEndpoint = "alidns.aliyuncs.com"

    # if publish is true and serverType is aws, it's region of aws api, such as "eu-south-1", string
    # awsRegion = "us-east-1"

    # if publish is true and server-type is aws, it's host zone id of aws's domain, string
    # awsHostZoneId = "your-host-zone-id"
  }

  # open the history query APIs(http&GRPC) when node is a lite fullNode,
  # like {getBlockByNum, getBlockByID, getTransactionByID...}.
  # default: false.
  # note: above APIs may return null even if blocks and transactions actually are on the blockchain
  # when opening on a lite fullnode. only open it if the consequences being clearly known
  # openHistoryQueryWhenLiteFN = false

  jsonrpc {
    # Note: If you turn on jsonrpc and run it for a while and then turn it off, you will not
    # be able to get the data from eth_getLogs for that period of time.

    httpFullNodeEnable = true
    httpFullNodePort = 8545
    # httpSolidityEnable = true
    # httpSolidityPort = 8555
    # httpPBFTEnable = true
    # httpPBFTPort = 8565
  }

  # Disabled api list, it will work for http, rpc and pbft, both fullnode and soliditynode,
  # but not jsonrpc.
  # Sample: The setting is case insensitive, GetNowBlock2 is equal to getnowblock2
  #
  # disabledApi = [
  #   "getaccount",
  #   "getnowblock2"
  # ]
}

## rate limiter config
rate.limiter = {
  # Every api could be set a specific rate limit strategy. Three strategy are supported:GlobalPreemptibleAdapter、IPQPSRateLimiterAdapte、QpsRateLimiterAdapter
  # GlobalPreemptibleAdapter: permit is the number of preemptible resource, every client must apply one resourse
  #       before do the request and release the resource after got the reponse automaticlly. permit should be a Integer.
  # QpsRateLimiterAdapter: qps is the average request count in one second supported by the server, it could be a Double or a Integer.
  # IPQPSRateLimiterAdapter: similar to the QpsRateLimiterAdapter, qps could be a Double or a Integer.
  # If do not set, the "default strategy" is set.The "default startegy" is based on QpsRateLimiterAdapter, the qps is set as 10000.
  #
  # Sample entries:
  #
  http = [
    #  {
    #    component = "GetNowBlockServlet",
    #    strategy = "GlobalPreemptibleAdapter",
    #    paramString = "permit=1"
    #  },

    #  {
    #    component = "GetAccountServlet",
    #    strategy = "IPQPSRateLimiterAdapter",
    #    paramString = "qps=1"
    #  },

    #  {
    #    component = "ListWitnessesServlet",
    #    strategy = "QpsRateLimiterAdapter",
    #    paramString = "qps=1"
    #  }
  ],

  rpc = [
    #  {
    #    component = "protocol.Wallet/GetBlockByLatestNum2",
    #    strategy = "GlobalPreemptibleAdapter",
    #    paramString = "permit=1"
    #  },

    #  {
    #    component = "protocol.Wallet/GetAccount",
    #    strategy = "IPQPSRateLimiterAdapter",
    #    paramString = "qps=1"
    #  },

    #  {
    #    component = "protocol.Wallet/ListWitnesses",
    #    strategy = "QpsRateLimiterAdapter",
    #    paramString = "qps=1"
    #  },
  ]

  # global qps, default 50000
  global.qps = 2000000
  # IP-based global qps, default 10000
  global.ip.qps = 2000000
}



seed.node = {
  # List of the seed nodes
  # Seed nodes are stable full nodes
  # example:
  # ip.list = [
  #   "ip:port",
  #   "ip:port"
  # ]
  ip.list = [
    "3.225.171.164:18888",
    "52.53.189.99:18888",
    "18.196.99.16:18888",
    "34.253.187.192:18888",
    "18.133.82.227:18888",
    "35.180.51.163:18888",
    "54.252.224.209:18888",
    "18.231.27.82:18888",
    "52.15.93.92:18888",
    "34.220.77.106:18888",
    "15.207.144.3:18888",
    "13.124.62.58:18888",
    "54.151.226.240:18888",
    "35.174.93.198:18888",
    "18.210.241.149:18888",
    "54.177.115.127:18888",
    "54.254.131.82:18888",
    "18.167.171.167:18888",
    "54.167.11.177:18888",
    "35.74.7.196:18888",
    "52.196.244.176:18888",
    "54.248.129.19:18888",
    "43.198.142.160:18888",
    "3.0.214.7:18888",
    "54.153.59.116:18888",
    "54.153.94.160:18888",
    "54.82.161.39:18888",
    "54.179.207.68:18888",
    "18.142.82.44:18888",
    "18.163.230.203:18888",
    # "[2a05:d014:1f2f:2600:1b15:921:d60b:4c60]:18888", // use this if support ipv6
    # "[2600:1f18:7260:f400:8947:ebf3:78a0:282b]:18888", // use this if support ipv6
  ]
}

genesis.block = {
  # Reserve balance
  assets = [
    {
      accountName = "Zion"
      accountType = "AssetIssue"
      address = "TLLM21wteSPs4hKjbxgmH1L6poyMjeTbHm"
      balance = "99000000000000000"
    },
    {
      accountName = "Sun"
      accountType = "AssetIssue"
      address = "TXmVpin5vq5gdZsciyyjdZgKRUju4st1wM"
      balance = "0"
    },
    {
      accountName = "Blackhole"
      accountType = "AssetIssue"
      address = "TLsV52sRDL79HXGGm9yzwKibb6BeruhUzy"
      balance = "-9223372036854775808"
    }
  ]

  witnesses = [
    {
      address: THKJYuUmMKKARNf7s2VT51g5uPY6KEqnat,
      url = "http://GR1.com",
      voteCount = 100000026
    },
    {
      address: TVDmPWGYxgi5DNeW8hXrzrhY8Y6zgxPNg4,
      url = "http://GR2.com",
      voteCount = 100000025
    },
    {
      address: TWKZN1JJPFydd5rMgMCV5aZTSiwmoksSZv,
      url = "http://GR3.com",
      voteCount = 100000024
    },
    {
      address: TDarXEG2rAD57oa7JTK785Yb2Et32UzY32,
      url = "http://GR4.com",
      voteCount = 100000023
    },
    {
      address: TAmFfS4Tmm8yKeoqZN8x51ASwdQBdnVizt,
      url = "http://GR5.com",
      voteCount = 100000022
    },
    {
      address: TK6V5Pw2UWQWpySnZyCDZaAvu1y48oRgXN,
      url = "http://GR6.com",
      voteCount = 100000021
    },
    {
      address: TGqFJPFiEqdZx52ZR4QcKHz4Zr3QXA24VL,
      url = "http://GR7.com",
      voteCount = 100000020
    },
    {
      address: TC1ZCj9Ne3j5v3TLx5ZCDLD55MU9g3XqQW,
      url = "http://GR8.com",
      voteCount = 100000019
    },
    {
      address: TWm3id3mrQ42guf7c4oVpYExyTYnEGy3JL,
      url = "http://GR9.com",
      voteCount = 100000018
    },
    {
      address: TCvwc3FV3ssq2rD82rMmjhT4PVXYTsFcKV,
      url = "http://GR10.com",
      voteCount = 100000017
    },
    {
      address: TFuC2Qge4GxA2U9abKxk1pw3YZvGM5XRir,
      url = "http://GR11.com",
      voteCount = 100000016
    },
    {
      address: TNGoca1VHC6Y5Jd2B1VFpFEhizVk92Rz85,
      url = "http://GR12.com",
      voteCount = 100000015
    },
    {
      address: TLCjmH6SqGK8twZ9XrBDWpBbfyvEXihhNS,
      url = "http://GR13.com",
      voteCount = 100000014
    },
    {
      address: TEEzguTtCihbRPfjf1CvW8Euxz1kKuvtR9,
      url = "http://GR14.com",
      voteCount = 100000013
    },
    {
      address: TZHvwiw9cehbMxrtTbmAexm9oPo4eFFvLS,
      url = "http://GR15.com",
      voteCount = 100000012
    },
    {
      address: TGK6iAKgBmHeQyp5hn3imB71EDnFPkXiPR,
      url = "http://GR16.com",
      voteCount = 100000011
    },
    {
      address: TLaqfGrxZ3dykAFps7M2B4gETTX1yixPgN,
      url = "http://GR17.com",
      voteCount = 100000010
    },
    {
      address: TX3ZceVew6yLC5hWTXnjrUFtiFfUDGKGty,
      url = "http://GR18.com",
      voteCount = 100000009
    },
    {
      address: TYednHaV9zXpnPchSywVpnseQxY9Pxw4do,
      url = "http://GR19.com",
      voteCount = 100000008
    },
    {
      address: TCf5cqLffPccEY7hcsabiFnMfdipfyryvr,
      url = "http://GR20.com",
      voteCount = 100000007
    },
    {
      address: TAa14iLEKPAetX49mzaxZmH6saRxcX7dT5,
      url = "http://GR21.com",
      voteCount = 100000006
    },
    {
      address: TBYsHxDmFaRmfCF3jZNmgeJE8sDnTNKHbz,
      url = "http://GR22.com",
      voteCount = 100000005
    },
    {
      address: TEVAq8dmSQyTYK7uP1ZnZpa6MBVR83GsV6,
      url = "http://GR23.com",
      voteCount = 100000004
    },
    {
      address: TRKJzrZxN34YyB8aBqqPDt7g4fv6sieemz,
      url = "http://GR24.com",
      voteCount = 100000003
    },
    {
      address: TRMP6SKeFUt5NtMLzJv8kdpYuHRnEGjGfe,
      url = "http://GR25.com",
      voteCount = 100000002
    },
    {
      address: TDbNE1VajxjpgM5p7FyGNDASt3UVoFbiD3,
      url = "http://GR26.com",
      voteCount = 100000001
    },
    {
      address: TLTDZBcPoJ8tZ6TTEeEqEvwYFk2wgotSfD,
      url = "http://GR27.com",
      voteCount = 100000000
    }
  ]

  timestamp = "0" #2017-8-26 12:00:00

  parentHash = "0xe58f33f9baf9305dc6f82b9f1934ea8f0ade2defb951258d50167028c780351f"
}

// Optional.The default is empty.
// It is used when the witness account has set the witnessPermission.
// When it is not empty, the localWitnessAccountAddress represents the address of the witness account,
// and the localwitness is configured with the private key of the witnessPermissionAddress in the witness account.
// When it is empty,the localwitness is configured with the private key of the witness account.

//localWitnessAccountAddress =

localwitness = [
]

#localwitnesskeystore = [
#  "localwitnesskeystore.json"
#]

block = {
  needSyncCheck = true
  maintenanceTimeInterval = 21600000
  proposalExpireTime = 259200000 // 3 day: 259200000(ms)
}

# Transaction reference block, default is "solid", configure to "head" may incur TaPos error
# trx.reference.block = "solid" // head;solid;

# This property sets the number of milliseconds after the creation of the transaction that is expired, default value is  60000.
# trx.expiration.timeInMilliseconds = 60000

vm = {
  supportConstant = false
  maxEnergyLimitForConstant = 100000000
  minTimeRatio = 0.0
  maxTimeRatio = 5.0
  saveInternalTx = true
  # vmTrace = true

  # Indicates whether the node stores featured internal transactions, such as freeze, vote and so on
  # saveFeaturedInternalTx = false

  # In rare cases, transactions that will be within the specified maximum execution time (default 10(ms)) are re-executed and packaged
  # longRunningTime = 10

  # Indicates whether the node support estimate energy API.
  # estimateEnergy = false

  # Indicates the max retry time for executing transaction in estimating energy.
  # estimateEnergyMaxRetry = 3
}

committee = {
  allowCreationOfContracts = 0  //mainnet:0 (reset by committee),test:1
  allowAdaptiveEnergy = 0  //mainnet:0 (reset by committee),test:1
}

event.subscribe = {
    native = {
      useNativeQueue = true // if true, use native message queue, else use event plugin.
      bindport = 5555 // bind port
      sendqueuelength = 1000 //max length of send queue
    }

    path = "" // absolute path of plugin
    server = "" // target server address to receive event triggers
    // dbname|username|password, if you want to create indexes for collections when the collections
    // are not exist, you can add version and set it to 2, as dbname|username|password|version
    // if you use version 2 and one collection not exists, it will create index automaticaly;
    // if you use version 2 and one collection exists, it will not create index, you must create index manually;
    dbconfig = ""
    contractParse = true
    topics = [
        {
          triggerName = "block" // block trigger, the value can't be modified
          enable = false
          topic = "block" // plugin topic, the value could be modified
          solidified = false // if set true, just need solidified block, default is false
        },
        {
          triggerName = "transaction"
          enable = false
          topic = "transaction"
          solidified = false
          ethCompatible = false // if set true, add transactionIndex, cumulativeEnergyUsed, preCumulativeLogCount, logList, energyUnitPrice, default is false
        },
        {
          triggerName = "contractevent"
          enable = false
          topic = "contractevent"
        },
        {
          triggerName = "contractlog"
          enable = false
          topic = "contractlog"
          redundancy = false // if set true, contractevent will also be regarded as contractlog
        },
        {
          triggerName = "solidity" // solidity block trigger(just include solidity block number and timestamp), the value can't be modified
          enable = true            // the default value is true
          topic = "solidity"
        },
        {
          triggerName = "solidityevent"
          enable = false
          topic = "solidityevent"
        },
        {
          triggerName = "soliditylog"
          enable = false
          topic = "soliditylog"
          redundancy = false // if set true, solidityevent will also be regarded as soliditylog
        }
    ]

    filter = {
       fromblock = "" // the value could be "", "earliest" or a specified block number as the beginning of the queried range
       toblock = "" // the value could be "", "latest" or a specified block number as end of the queried range
       contractAddress = [
           "" // contract address you want to subscribe, if it's set to "", you will receive contract logs/events with any contract address.
       ]

       contractTopic = [
           "" // contract topic you want to subscribe, if it's set to "", you will receive contract logs/events with any contract topic.
       ]
    }
}

[Sunny6889]

@PikaZ76 Your host machine, equipped with a 64-core CPU and 256 GB of memory, is powerful enough to run multiple instances of java-tron. Your current configuration already includes optimizations such as:

• Disabling node.metrics
• Increasing the rate.limiter

If you don't require it, you may also consider removing event.subscribe. I recommend starting by running eight instances of java-tron and testing the API's queries per second (QPS). If that isn't sufficient, you can add more java-tron services with more machines. In other words, if you've already maximized vertical scaling, it's time to scale horizontally.

[PikaZ76]

@PikaZ76 Your host machine, equipped with a 64-core CPU and 256 GB of memory, is powerful enough to run multiple instances of java-tron. Your current configuration already includes optimizations such as:

• Disabling node.metrics
• Increasing the rate.limiter

If you don't require it, you may also consider removing event.subscribe. I recommend starting by running eight instances of java-tron and testing the API's queries per second (QPS). If that isn't sufficient, you can add more java-tron services with more machines. In other words, if you've already maximized vertical scaling, it's time to scale horizontally.

@Sunny6889 Thanks!!
removing event.subscribe.?
you mean just remore this part from config file?

event.subscribe = {
   native = {
     useNativeQueue = true // if true, use native message queue, else use event plugin.
     bindport = 5555 // bind port
     sendqueuelength = 1000 //max length of send queue
   }

   path = "" // absolute path of plugin
   server = "" // target server address to receive event triggers
   // dbname|username|password, if you want to create indexes for collections when the collections
   // are not exist, you can add version and set it to 2, as dbname|username|password|version
   // if you use version 2 and one collection not exists, it will create index automaticaly;
   // if you use version 2 and one collection exists, it will not create index, you must create index manually;
   dbconfig = ""
   contractParse = true
   topics = [
       {
         triggerName = "block" // block trigger, the value can't be modified
         enable = false
         topic = "block" // plugin topic, the value could be modified
         solidified = false // if set true, just need solidified block, default is false
       },
       {
         triggerName = "transaction"
         enable = false
         topic = "transaction"
         solidified = false
         ethCompatible = false // if set true, add transactionIndex, cumulativeEnergyUsed, preCumulativeLogCount, logList, energyUnitPrice, default is false
       },
       {
         triggerName = "contractevent"
         enable = false
         topic = "contractevent"
       },
       {
         triggerName = "contractlog"
         enable = false
         topic = "contractlog"
         redundancy = false // if set true, contractevent will also be regarded as contractlog
       },
       {
         triggerName = "solidity" // solidity block trigger(just include solidity block number and timestamp), the value can't be modified
         enable = true            // the default value is true
         topic = "solidity"
       },
       {
         triggerName = "solidityevent"
         enable = false
         topic = "solidityevent"
       },
       {
         triggerName = "soliditylog"
         enable = false
         topic = "soliditylog"
         redundancy = false // if set true, solidityevent will also be regarded as soliditylog
       }
   ]

   filter = {
      fromblock = "" // the value could be "", "earliest" or a specified block number as the beginning of the queried range
      toblock = "" // the value could be "", "latest" or a specified block number as end of the queried range
      contractAddress = [
          "" // contract address you want to subscribe, if it's set to "", you will receive contract logs/events with any contract address.
      ]

      contractTopic = [
          "" // contract topic you want to subscribe, if it's set to "", you will receive contract logs/events with any contract topic.
      ]
   }
}

[Sunny6889]

@PikaZ76 Yes just remove the event.subscribe part if you don't it. Here describe the usage of event subscribe.

[PikaZ76]

@Sunny6889
btw, run multiple tron node instance on same mechine?
how to do this?

1. Does this mean that each instance has its own disk data? In other words, will disk usage also increase accordingly?

2. The JSON-RPC and HTTP ports can be mapped to other ports, but can the P2P port be changed as well?

[Sunny6889]

@PikaZ76 Since each java-tron may sync in different speed, they will use their own data just in the same machine. Refer the configure explanation. You could add multiple container services, make sure the volumes mapping to different databases. If run on the same machine you need also to map to different http ports. Add a load balancer to connect with multiple java-tron services. Then your external client just visit load balancer with the same URL.

Try below docker-compose with 2 java-tron services:

services:
  tron-node1:
    container_name: tron-node1
    image: tronprotocol/java-tron:latest  # Add specific tag if needed
    mem_limit: 16g
    ports:
      - "8090:8090"
      - "50051:50051"
    volumes:
      - ./conf:/java-tron/conf
      - ./datadir/mainnet1:/java-tron/output-directory # add with downloaded snapshot to save syncing time
    command:
      - -jvm
      - "{-Xmx14g -Xms12g -XX:+UseConcMarkSweepGC}"  # Using environment variable for JVM arguments
      - -c
      - /java-tron/conf/main_net_config.conf

  tron-node2:
    container_name: tron-node2
    image: tronprotocol/java-tron:latest  # Add specific tag if needed
    mem_limit: 16g
    ports:
      - "8190:8090" # here map to a different local host one
      - "51051:50051" # here map to a different local host one
    volumes:
      - ./conf:/java-tron/conf
      - ./datadir/mainnet2:/java-tron/output-directory # add with downloaded snapshot to save syncing time
    command:
      - -jvm
      - "{-Xmx14g -Xms12g -XX:+UseConcMarkSweepGC}"  # Using environment variable for JVM arguments
      - -c
      - /java-tron/conf/main_net_config.conf

[PikaZ76]

@Sunny6889 very thanks！but I notice there are no p2p port of 18888 in your docker-compose file, it that ok ?

[Sunny6889]

@PikaZ76 You don't need to care about P2P ports mapping, as it is initiated by your java-tron node to connect to other Mainnet FullNodes. As long as your host machine is not configured to the seed.node, you don't need to expose the 18888 ports.