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Diffstat (limited to 'releasenotes/notes/redis-improvement-d4c91683fc89f570.yaml')
| -rw-r--r-- | releasenotes/notes/redis-improvement-d4c91683fc89f570.yaml | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/releasenotes/notes/redis-improvement-d4c91683fc89f570.yaml b/releasenotes/notes/redis-improvement-d4c91683fc89f570.yaml new file mode 100644 index 0000000..c2ee2b9 --- /dev/null +++ b/releasenotes/notes/redis-improvement-d4c91683fc89f570.yaml @@ -0,0 +1,16 @@ +--- +features: + - | + Redis storage schema is optimized for higher performance. + Previously Redis driver stored each tracing event under its own key, + as result both list and get operations required full scan of the database. + With the optimized schema traces are stored as Redis lists under a key + equal to trace id. So list operation iterates only over unique + trace ids and get operation retrieves content of a specified list. + Note that list operation still needs to retrieve at least 1 event + from the trace to get a timestamp. +upgrade: + - | + The optimized Redis driver is backward compatible: while new events are stored + using new schema the driver can retrieve existing events using both old and new + schemas. |