github.com/vescale/zgraph@v0.0.0-20230410094002-959c02d50f95/storage/kv/vars.go (about)

     1  // Copyright 2022 zGraph Authors. All rights reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //	http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package kv
    16  
    17  import "sync/atomic"
    18  
    19  // DefTxnCommitBatchSize is the default value of TxnCommitBatchSize.
    20  const DefTxnCommitBatchSize uint64 = 16 * 1024
    21  
    22  // TxnCommitBatchSize controls the batch size of transaction commit related requests sent by client to TiKV,
    23  // TiKV recommends each RPC packet should be less than ~1MB.
    24  var TxnCommitBatchSize atomic.Uint64
    25  
    26  func init() {
    27  	TxnCommitBatchSize.Store(DefTxnCommitBatchSize)
    28  }