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feat(config): Increased TotalUmMemory and decreased NumBlocksPct to accomodate new CountingAllocator. #3516

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feat(config): Increased TotalUmMemory and decreased NumBlocksPct to accomodate new CountingAllocator. #3516

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d28a718
feat(config): Increased TotalUmMemory to 75% and decreased NumBlocksP…
drrtuy Apr 21, 2025
dbe0fd1
feat(config): TotalUmMemory = 65% and NumBlocksPct = 20% by default.
drrtuy May 2, 2025
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7 changes: 3 additions & 4 deletions oam/etc/Columnstore.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -154,16 +154,15 @@
<!-- The percentage of RAM to use for the disk block cache. Defaults to 70% -->
<!-- Alternatively, this can be specified in absolute terms using
the suffixes 'm' or 'g' to denote size in megabytes or gigabytes.-->
<!-- <NumBlocksPct>95</NumBlocksPct> -->
<!-- <NumThreads>16</NumThreads> --> <!-- 1-256. Default is 16. -->
<!-- <NumThreads>16</NumThreads> --> <!-- 1-256. Default is CPU cores number. -->
<NumCaches>1</NumCaches><!-- # of parallel caches to instantiate -->
<IOMTracing>0</IOMTracing>
<BRPTracing>0</BRPTracing>
<ReportFrequency>65536</ReportFrequency>
<MaxOpenFiles>2K</MaxOpenFiles>
<DecreaseOpenFilesCount>200</DecreaseOpenFilesCount>
<FDCacheTrace>0</FDCacheTrace>
<NumBlocksPct>50</NumBlocksPct>
<NumBlocksPct>20</NumBlocksPct>
</DBBC>
<Installation>
<ServerTypeInstall>2</ServerTypeInstall>
Expand All @@ -186,7 +185,7 @@
<MaxBuckets>128</MaxBuckets>
<MaxElems>128K</MaxElems> <!-- 128 buckets * 128K * 16 = 256 MB -->
<PmMaxMemorySmallSide>1G</PmMaxMemorySmallSide>
<TotalUmMemory>25%</TotalUmMemory>
<TotalUmMemory>65%</TotalUmMemory>
<CPUniqueLimit>100</CPUniqueLimit>
<AllowDiskBasedJoin>N</AllowDiskBasedJoin>
<TempFileCompression>Y</TempFileCompression>
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