Hello, >Your current design completely misses the time taken to scan indexes, which is significant. I tried to address this issue in the attached patch. The patch calculates index scan progress by measuring against scanned pages in LVRelStats. It checks for a change current page being scanned and increments the progress counter. When counter reaches scanned pages number in LVRelStats, progress is 100% complete. For now the progress is emitted as a warning (so no config changes needed to see progress) Thoughts? regards Sameer IndexScanProgress.patch <http://postgresql.nabble.com/file/n5858109/IndexScanProgress.patch>
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