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HBASE-25653 Add units and round off region size to 2 digits after decimal (#3046) 

Signed-off-by: stack <stack@duboce.net>
Reviewed-by: Viraj Jasani <vjasani@apache.org>
This commit is contained in:
DivyeshChandra 2021-03-17 10:02:12 +05:30 committed by GitHub
parent ebb0adf500
commit bcf503e6c2
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 8 deletions
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19
hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/SimpleRegionNormalizer.java
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@ -284,7 +284,7 @@ class SimpleRegionNormalizer implements RegionNormalizer, ConfigurationObserver
double avgRegionSize;
int targetRegionCount = tableDescriptor.getNormalizerTargetRegionCount();
long targetRegionSize = tableDescriptor.getNormalizerTargetRegionSize();
LOG.debug("Table {} configured with target region count {}, target region size {}", table,
LOG.debug("Table {} configured with target region count {}, target region size {} MB", table,
targetRegionCount, targetRegionSize);
if (targetRegionSize > 0) {
@ -299,8 +299,8 @@ class SimpleRegionNormalizer implements RegionNormalizer, ConfigurationObserver
} else {
avgRegionSize = totalSizeMb / (double) regionCount;
}
LOG.debug("Table {}, total aggregated regions size: {} and average region size {}", table,
totalSizeMb, avgRegionSize);
LOG.debug("Table {}, total aggregated regions size: {} MB and average region size {} MB",
table, totalSizeMb, String.format("%.3f", avgRegionSize));
}
return avgRegionSize;
@ -351,8 +351,9 @@ class SimpleRegionNormalizer implements RegionNormalizer, ConfigurationObserver
if (avgRegionSizeMb < configuration.getMergeMinRegionSizeMb(ctx)) {
return Collections.emptyList();
}
LOG.debug("Computing normalization plan for table {}. average region size: {}, number of"
+ " regions: {}.", ctx.getTableName(), avgRegionSizeMb, ctx.getTableRegions().size());
LOG.debug("Computing normalization plan for table {}. average region size: {} MB, number of"
+ " regions: {}.", ctx.getTableName(), avgRegionSizeMb,
ctx.getTableRegions().size());
// this nested loop walks the table's region chain once, looking for contiguous sequences of
// regions that meet the criteria for merge. The outer loop tracks the starting point of the
@ -426,7 +427,8 @@ class SimpleRegionNormalizer implements RegionNormalizer, ConfigurationObserver
*/
private List<NormalizationPlan> computeSplitNormalizationPlans(final NormalizeContext ctx) {
final double avgRegionSize = ctx.getAverageRegionSizeMb();
LOG.debug("Table {}, average region size: {}", ctx.getTableName(), avgRegionSize);
LOG.debug("Table {}, average region size: {} MB", ctx.getTableName(),
String.format("%.3f", avgRegionSize));
final List<NormalizationPlan> plans = new ArrayList<>();
for (final RegionInfo hri : ctx.getTableRegions()) {
@ -435,8 +437,9 @@ class SimpleRegionNormalizer implements RegionNormalizer, ConfigurationObserver
}
final long regionSizeMb = getRegionSizeMB(hri);
if (regionSizeMb > 2 * avgRegionSize) {
LOG.info("Table {}, large region {} has size {}, more than twice avg size {}, splitting",
ctx.getTableName(), hri.getRegionNameAsString(), regionSizeMb, avgRegionSize);
LOG.info("Table {}, large region {} has size {} MB, more than twice avg size {} MB, "
+ "splitting", ctx.getTableName(), hri.getRegionNameAsString(), regionSizeMb,
String.format("%.3f", avgRegionSize));
plans.add(new SplitNormalizationPlan(hri, regionSizeMb));
}
}