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Posted to dev@ignite.apache.org by "Denis Mekhanikov (Jira)" <ji...@apache.org> on 2020/10/27 09:08:00 UTC
[jira] [Created] (IGNITE-13631) Improve names and descriptions of
data storage metrics
Denis Mekhanikov created IGNITE-13631:
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Summary: Improve names and descriptions of data storage metrics
Key: IGNITE-13631
URL: https://issues.apache.org/jira/browse/IGNITE-13631
Project: Ignite
Issue Type: Improvement
Reporter: Denis Mekhanikov
Assignee: Denis Mekhanikov
Data storage metrics have unclear descriptions. They need to be improved.
||Metric||Description||Comment||
|*WalLoggingRate*|Average number of WAL records per second written during the last time interval.|The "time interval" part is unclear. Which time interval?|
|*WalFsyncTimeDuration*|Total duration of fsync|Why not just *WalFsyncDuration*?
The description could be more verbose.|
|*WalFsyncTimeNum*|Total count of fsync|Why not just *WalFsyncNum*? The description could be more verbose|
|*WalBuffPollSpinsRate*|WAL buffer poll spins number over the last time interval. |Over which time interval?|
|*LastCheckpointMarkDuration*|Duration of the checkpoint lock wait in milliseconds |The description doesn't match the name.|
|*CheckpointTotalTime*|Total duration of checkpoint|Is it the duration of the last checkpoint or all checkpoints from the beginning?|
|*StorageSize*|Storage space allocated, in bytes.|It's unclear which storage this is about. Is disk included, or is it just about memory?|
|*WalTotalSize*|Total size in bytes for storage wal files.|WAL should be capital. The grammar|
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