Differences between version 16 and predecessor to the previous major change of PgBench.
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| Newer page: | version 16 | Last edited on Thursday, June 15, 2006 8:14:45 pm | by GuyThornley | Revert |
| Older page: | version 15 | Last edited on Thursday, June 15, 2006 8:05:53 pm | by AristotlePagaltzis | Revert |
@@ -188,9 +188,9 @@
* The test database started at 1.4GB, and got to at least 14GB during testing, has this growth affected results?
* The WAL consumes large amounts of kernel page cache. When moving the WAL between devices, when the old files are unlinked,
1/2 of the page cache is freed. The WAL is never read, and written only once, this is as waste!
* The BBWC makes write performance very erratic
-* The HP SmartArray hardware (or perhaps driver) tends to block reads while there are cached writes occuring. Large read latencies (seconds) results. I have not yet found a way to tune this.
+* The HP ~
SmartArray hardware (or perhaps driver) tends to block reads while there are cached writes occuring. Large read latencies (seconds) results. I have not yet found a way to tune this.
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CategoryDiskNotes
