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Database performance statistics
Communications
statistics
1084
Statistic
Scope
Idle Checkpoint
Database
Time
Idle Checkpoints
Database
Idle Writes
Database
Recovery IO
Database
Estimate
Recovery Urgency
Database
Server Idle Waits
Server
These statistics describe client/server communications activity.
Statistic
Scope
Comm:
Server
Buffer Misses
Comm:
Server
Bytes Received
Comm:
Server
Bytes Sent
Comm:
Server
Free Buffers
Comm:
Server
Multi-packets
Received
Comm:
Server
Multi-packets Sent
Comm:
Server
Packets Corrupted
Comm:
Server
Packets Dropped
Comm:
Server
Description
The total time in seconds spent doing idle
checkpoints.
The rate at which checkpoints are
completed by the engine's idle thread. An
idle checkpoint occurs whenever the idle
thread writes out the last dirty page in the
cache.
The rate at which disk writes are issued
by the engine's idle thread.
The estimated number of IO operations
required to recover the database.
Recovery Urgency is expressed as a
percentage.
The number of times per second the
server goes idle waiting for IO
completion or a new request.
Description
The total number of network buffer
allocations exceeding the connection
buffer pool.
The rate at which network data (in bytes)
are received.
The rate at which bytes are transmitted
over the network.
Number of free network buffers.
The rate at which multi-packet deliveries
are received.
The rate at which multi-packet deliveries
are transmitted.
The rate at which corrupt network
packets are being received
The rate at which network packets are
being dropped due to lack of buffer
space.
The rate at which network packets are
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