Mark reimport report as non-comparable · 5d25771

+7 -3

HealthProbe/Doc/04-project/Import-Optimization-Log.md

@@ -103,7 +103,11 @@ Conclusion: larger chunks gave only marginal gains. Further optimization should
 ### 2026-06-02 After Direct Inserts For New Archive Samples
 
 Commit: `44d9ebd` (`Use direct inserts for new archive samples`)  
-Source: no real-device import report yet.
+Source: no comparable first-import real-device report yet.
+
+Note: a later user-provided report looked significantly faster, but it was a
+reimport rather than a fresh first snapshot. Do not use it as a direct comparison
+against first-import runs.
 
 Expected signal:
 - `Heart Rate insertElapsed` should drop first;
@@ -125,11 +129,11 @@ Expected signal:
 | 2026-06-02 | `bcbf9a5` | Cleaned up import diagnostic timings. | Corrected date-fetch wall-clock measurement and report text. |
 | 2026-06-02 | `a026566` | Batched initial import archive writes across several fetched pages. | Wall clock improved from about 20m25s to 18m21s on the measured first import. |
 | 2026-06-02 | `c138b7b` | Increased initial import write chunk sizes. | Marginal improvement: summed insert from 15m44s to 15m24s on the next comparable run. |
-| 2026-06-02 | `44d9ebd` | Used direct inserts for dependent rows when `samples` creates a new sample. | Awaiting real-device report. Tests passed. |
+| 2026-06-02 | `44d9ebd` | Used direct inserts for dependent rows when `samples` creates a new sample. | Awaiting comparable first-import real-device report. Tests passed. |
 
 ## Current Diagnosis
 
-The import is no longer primarily a HealthKit fetch problem. On the latest measured run:
+The import is no longer primarily a HealthKit fetch problem. On the latest comparable first-import measured run:
 
 - total wall clock was 18m30s;
 - summed fetch was only 46.8s;


	@@ -103,7 +103,11 @@ Conclusion: larger chunks gave only marginal gains. Further optimization should
103	103	### 2026-06-02 After Direct Inserts For New Archive Samples
104	104
105	105	Commit: `44d9ebd` (`Use direct inserts for new archive samples`)
106		-Source: no real-device import report yet.
	106	+Source: no comparable first-import real-device report yet.
	107	+
	108	+Note: a later user-provided report looked significantly faster, but it was a
	109	+reimport rather than a fresh first snapshot. Do not use it as a direct comparison
	110	+against first-import runs.
107	111
108	112	Expected signal:
109	113	- `Heart Rate insertElapsed` should drop first;
	@@ -125,11 +129,11 @@ Expected signal:
125	129	\| 2026-06-02 \| `bcbf9a5` \| Cleaned up import diagnostic timings. \| Corrected date-fetch wall-clock measurement and report text. \|
126	130	\| 2026-06-02 \| `a026566` \| Batched initial import archive writes across several fetched pages. \| Wall clock improved from about 20m25s to 18m21s on the measured first import. \|
127	131	\| 2026-06-02 \| `c138b7b` \| Increased initial import write chunk sizes. \| Marginal improvement: summed insert from 15m44s to 15m24s on the next comparable run. \|
128		-\| 2026-06-02 \| `44d9ebd` \| Used direct inserts for dependent rows when `samples` creates a new sample. \| Awaiting real-device report. Tests passed. \|
	132	+\| 2026-06-02 \| `44d9ebd` \| Used direct inserts for dependent rows when `samples` creates a new sample. \| Awaiting comparable first-import real-device report. Tests passed. \|
129	133
130	134	## Current Diagnosis
131	135
132		-The import is no longer primarily a HealthKit fetch problem. On the latest measured run:
	136	+The import is no longer primarily a HealthKit fetch problem. On the latest comparable first-import measured run:
133	137
134	138	- total wall clock was 18m30s;
135	139	- summed fetch was only 46.8s;