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17.3.4 MySQL Server Options and Variables for MySQL Cluster »
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17.3.3.4. Other MySQL Cluster Configuration Parameters

The following tables provide information about parameters used in the [computer], [tcp], [shm], and [sci] sections of a config.ini file for configuring MySQL Cluster management nodes. For detailed descriptions and other additional information about individual parameters, see Section 17.3.2.8, “MySQL Cluster TCP/IP Connections”, Section 17.3.2.10, “MySQL Cluster Shared-Memory Connections”, or Section 17.3.2.11, “SCI Transport Connections in MySQL Cluster”, as appropriate.

Table 17.4. COMPUTER Configuration Parameters

Name Type/Units Default Min Value Max Value Restart Type
HostName name or IP       S
Id string       IN

Table 17.5. TCP Configuration Parameters

Name Type/Units Default Min Value Max Value Restart Type
Checksum   false     N
Group unsigned 55   200 N
NodeId1         N
NodeId2         N
NodeIdServer         N
OverloadLimit bytes     4G N
PortNumber unsigned     64K N
Proxy         N
ReceiveBufferMemory bytes 64K 16K 4G N
SendBufferMemory unsigned 256K 64K 4G N
SendSignalId   false (debug builds: true)     N
TCP_MAXSEG_SIZE unsigned     2G N
TCP_RCV_BUF_SIZE unsigned 70080 1 2G N
TCP_SND_BUF_SIZE unsigned 71540 1 2G N
TcpBind_INADDR_ANY   false     N

Table 17.6. SHM Configuration Parameters

Name Type/Units Default Min Value Max Value Restart Type
Checksum   true     N
Group unsigned 35   200 N
NodeId1         N
NodeId2         N
NodeIdServer         N
OverloadLimit bytes     4G N
PortNumber unsigned     64K N
SendSignalId   false     N
ShmKey unsigned     4G N
ShmSize bytes 1M 64K 4G N
Signum unsigned     4G N

Table 17.7. SCI Configuration Parameters

Name Type/Units Default Min Value Max Value Restart Type
Checksum   false     N
Group unsigned 15   200 N
Host1SciId0 unsigned     4G N
Host1SciId1 unsigned     4G N
Host2SciId0 unsigned     4G N
Host2SciId1 unsigned     4G N
NodeId1         N
NodeId2         N
NodeIdServer         N
OverloadLimit bytes     4G N
PortNumber unsigned     64K N
SendLimit unsigned 8K 128 32K N
SendSignalId   true     N
SharedBufferSize unsigned 10M 64K 4G N