The Transfer Service lets you move content, such as VM templates, scripts, and ISO images across sites and vCenter Server instances. The Transfer Service has a set of configurable properties that you can change to meet the needs of your virtual environment.

Property

Default Value

Description

Forced Flush to Output Interval

45

Interval between forced flushes to output stream, measured in seconds.

Http Client Buffer Size

262144

Buffer size of the HTTP client input stream during transfers, measured in bytes.

Http Client Socket Timeout

180

Socket timeout of the HTTP client, measured in seconds.

Http Request-handling Timeout

120

Request handling timeout for HTTP transfers, after which service unavailable status is returned to client, measured in seconds.

Http Socket Buffer Size

2048

Buffer size of the HTTP client socket, measured in bytes.

Intermediary I/O Stream Buffer Size

131072

Maximum size of buffer sitting between input and output streams during a transfer, measured in bytes.

Maximum Bandwidth Consumption

0

Bandwidth usage threshold across all transfers, measured in megabits per second Mbps. 0 means unlimited bandwidth.

Maximum Number of Concurrent Priority Transfers

5

Concurrent transfer limit for priority files. If exceeded, transfers are queued. This threadpool is used only to transfer priority objects.

Maximum Number of Concurrent Transfers

20

Concurrent transfer limit. If exceeded, transfers are queued.

NFC Connection Socket Timeout

120

Socket timeout for an NFC connection, measured in seconds. An NFC connection is opened only when interacting with a datastore.

NFC Eager-zeroed Thick Disk Write Timeout

5400

Eager-zeroed thick disk write timeout for an NFC connection, measured in seconds. This timeout must be larger than the socket timeout of NFC connection. An NFC connection is opened only when interacting with datastore.