4 つのデータ ノードを持つ mysql クラスターがあります。トランザクションを小さく保つために、50k のチャンクでロード データ インファイルを使用して、800 万行の挿入を実行しようとしています。時計仕掛けのように、テーブルに 100 万行が挿入されるたびに、挿入は 20 分近く停止してから再開します。ログにもこのエラーが表示されます。
2014-07-17 22:34:59 [NdbApi] エラー -- 不良フラグで TCROLLBACKREQ を送信しています
設定変更が必要だと思います
[ndbd default]
# Options affecting ndbd processes on all data nodes:
NoOfReplicas=2 # Number of replicas
DataMemory=90G # How much memory to allocate for data storage
IndexMemory=10G # How much memory to allocate for index storage
# For DataMemory and IndexMemory, we have used the
# default values. Since the "world" database takes up
# only about 500KB, this should be more than enough for
# this example Cluster setup.
NoOfFragmentLogFiles=20
MaxNoOfOrderedIndexes=1000
MaxNoOfAttributes=10000
MaxBufferedEpochs=10000
MaxNoOfConcurrentTransactions=1000000
MaxNoOfConcurrentOperations=10000000
MaxNoOfLocalOperations=11000000
[tcp default]
# TCP/IP options:
#portnumber=2202 # This the default; however, you can use any
# port that is free for all the hosts in the cluster
# Note: It is recommended that you do not specify the port
# number at all and simply allow the default value to be used
# instead
[ndb_mgmd]
# Management process options:
hostname=########.173 # Hostname or IP address of MGM node
datadir=/var/lib/mysql-cluster # Directory for MGM node log files
nodeId=1
[ndbd]
# Options for data node "A":
hostname=########.173 # Hostname or IP address
datadir=/usr/local/mysql/data # Directory for this data node's data files
ServerPort=50501
nodeId=2
MaxNoOfExecutionThreads=4
[ndbd]
# Options for data node "B":
hostname=########.174 # Hostname or IP address
datadir=/usr/local/mysql/data # Directory for this data node's data files
ServerPort=50502
nodeId=3
MaxNoOfExecutionThreads=4
[ndbd]
# Options for data node "C":
hostname=########.175 # Hostname or IP address
datadir=/usr/local/mysql/data # Directory for this data node's data files
ServerPort=50503
nodeId=5
MaxNoOfExecutionThreads=4
[ndbd]
# Options for data node "D":
hostname=########.176 # Hostname or IP address
datadir=/usr/local/mysql/data # Directory for this data node's data files
ServerPort=50504
nodeId=6
MaxNoOfExecutionThreads=4
#[ndbd]
# Options for data node "E":
#hostname=########.177 # Hostname or IP address
#datadir=/usr/local/mysql/data # Directory for this data node's data files
#ServerPort=50505
#nodeId=7
#MaxNoOfExecutionThreads=4
[mysqld]
# SQL node options:
nodeId=4
hostname=########.174 # Hostname or IP address
# (additional mysqld connections can be
# specified for this node for various
# purposes such as running ndb_restore)
[mysqld]
# SQL node options:
nodeId=7
hostname=########.177 # Hostname or IP address
# (additional mysqld connections can be
# specified for this node for various
# purposes such as running ndb_restore)
[mysqld]
# SQL node options:
nodeId=8
hostname=########.177 # Hostname or IP address
# (additional mysqld connections can be
# specified for this node for various
# purposes such as running ndb_restore)
[mysqld]
# SQL node options:
nodeId=9
hostname=########.177 # Hostname or IP address
# (additional mysqld connections can be
# specified for this node for various
# purposes such as running ndb_restore)
[mysqld]
# SQL node options:
nodeId=10
hostname=########.177 # Hostname or IP address
# (additional mysqld connections can be
# specified for this node for various
# purposes such as running ndb_restore)
[mysqld]
# SQL node options:
nodeId=11
hostname=########.177 # Hostname or IP address
# (additional mysqld connections can be
# specified for this node for various
# purposes such as running ndb_restore)
[mysqld]
# SQL node options:
nodeId=12
hostname=########.177 # Hostname or IP address
# (additional mysqld connections can be
# specified for this node for various
# purposes such as running ndb_restore)
[mysqld]
# SQL node options:
nodeId=13
hostname=########.177 # Hostname or IP address
# (additional mysqld connections can be
# specified for this node for various
# purposes such as running ndb_restore)
[mysqld]
# SQL node options:
nodeId=14
hostname=########.177 # Hostname or IP address
# (additional mysqld connections can be
# specified for this node for various
# purposes such as running ndb_restore)