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You've modified this response 4 times and counting to try to twist my response into something it wasn't and isn't so I'll respond once and be done with the conv
by tw04 5y ago
You've modified this response 4 times and counting to try to twist my response into something it wasn't and isn't so I'll respond once and be done with the conversation. I never said ZIL is a write-back cache and neither did you. Sync writes are the only writes you should be doing if you care about your data in almost all circumstances.
- bhouston 5y agoA ZIL SLOG doesn’t even speed up sync writes if your writes do not fit into RAM. It isn’t a write cache either, it is a parallel cache for integrity purposes so sync acknowledgements happen faster. But you are still limited by RAM size for large write speed as I said in my original post.