Amazon Aurora
Aurora 用户指南 (API 版本 2014-10-31)
AWS 文档中描述的 AWS 服务或功能可能因区域而异。要查看适用于中国区域的差异,请参阅中国的 AWS 服务入门

Performance Insights 计数器

以下数据库计数器可用于 Performance Insights。您可以在 PostgreSQL 文档中的查看统计数据部分找到这些指标的定义。

计数器 类型

tup_deleted

SQL

tup_fetched SQL
tup_inserted SQL
tup_returned SQL
tup_updated SQL
buffers_checkpoint 检查点
checkpoints_req 检查点
checkpoint_sync_latency 检查点
checkpoint_sync_time 检查点
checkpoints_timed 检查点
checkpoint_write_latency 检查点
checkpoint_write_time 检查点
maxwritten_clean 检查点
time_since_checkpoint 检查点
active_transactions 事务
blocked_transactions 事务
max_used_xact_ids 事务
xact_commit 事务
xaxt_rollback 事务
blk_read_time IO
blks_read IO
buffers_backend IO
buffers_backend_fsync IO
buffers_clean IO
read_latency IO
blks_hit 缓存
buffers_alloc 缓存
temp_files 临时文件
numbackends 用户
deadlocks 并发
archived_count WAL
archive_failed_count WAL

以下操作系统计数器可用于 Performance Insights。您可以在 Amazon Aurora 用户指南可用操作系统指标中找到这些指标的定义。

计数器 类型

active

memory

buffers memory
cached memory
dirty memory
free memory
inactive memory
hugePagesFree memory
hugePagesRsvd memory
hugePagesSize memory
hugePagesSurp memory
hugePagesTotal memory
mapped memory
pageTables memory
slab memory
total memory
writeback memory
guest cpuUtilization
idle cpuUtilization
irq cpuUtilization
nice cpuUtilization
steal cpuUtilization
system cpuUtilization
total cpuUtilization
user cpuUtilization
wait cpuUtilization
avgQueueLen diskIO
avgReqSz diskIO
await diskIO
readIOsPS diskIO
readKb diskIO
readKbPS diskIO
rrqmPS diskIO
tps diskIO
util diskIO
writeIOsPS diskIO
writeKb diskIO
writeKbPS diskIO
wrqmPS diskIO
blocked tasks
running tasks
sleeping tasks
stopped tasks
total tasks
zombie tasks
one loadAverageMinute
fifteen loadAverageMinute
five loadAverageMinute
cached swap
free swap
in swap
out swap
total swap
maxFiles fileSys
usedFiles fileSys
usedFilePercent fileSys
usedPercent fileSys
used fileSys
total fileSys
rx network
tx network
numVCPUs general