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The following commit(s) were added to refs/heads/master by this push:
new 1133568 JAMES-3150 BloomFilterGCAlgorithmContract: Lower false
positive rates (#644)
1133568 is described below
commit 113356871d0d579dd9abf343e4549bcbb48a9ed3
Author: Benoit TELLIER <[email protected]>
AuthorDate: Wed Sep 8 14:08:22 2021 +0700
JAMES-3150 BloomFilterGCAlgorithmContract: Lower false positive rates (#644)
Before: 80%
After: 1%
This was causing test stability issues
---
.../blob/deduplication/BloomFilterGCAlgorithmContract.java | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git
a/server/blob/blob-storage-strategy/src/test/java/org/apache/james/server/blob/deduplication/BloomFilterGCAlgorithmContract.java
b/server/blob/blob-storage-strategy/src/test/java/org/apache/james/server/blob/deduplication/BloomFilterGCAlgorithmContract.java
index d08ae74..cb00b3f 100644
---
a/server/blob/blob-storage-strategy/src/test/java/org/apache/james/server/blob/deduplication/BloomFilterGCAlgorithmContract.java
+++
b/server/blob/blob-storage-strategy/src/test/java/org/apache/james/server/blob/deduplication/BloomFilterGCAlgorithmContract.java
@@ -32,8 +32,6 @@ import java.util.UUID;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
-import
org.apache.james.server.blob.deduplication.BloomFilterGCAlgorithm.Context;
-import
org.apache.james.server.blob.deduplication.BloomFilterGCAlgorithm.Context.Snapshot;
import org.apache.james.blob.api.BlobId;
import org.apache.james.blob.api.BlobReferenceSource;
import org.apache.james.blob.api.BlobStore;
@@ -41,6 +39,8 @@ import org.apache.james.blob.api.BlobStoreDAO;
import org.apache.james.blob.api.BucketName;
import org.apache.james.blob.api.HashBlobId;
import org.apache.james.blob.api.ObjectNotFoundException;
+import
org.apache.james.server.blob.deduplication.BloomFilterGCAlgorithm.Context;
+import
org.apache.james.server.blob.deduplication.BloomFilterGCAlgorithm.Context.Snapshot;
import org.apache.james.task.Task;
import org.apache.james.utils.UpdatableTickingClock;
import org.awaitility.Awaitility;
@@ -59,7 +59,7 @@ public interface BloomFilterGCAlgorithmContract {
BucketName DEFAULT_BUCKET = BucketName.of("default");
GenerationAwareBlobId.Configuration GENERATION_AWARE_BLOB_ID_CONFIGURATION
= GenerationAwareBlobId.Configuration.DEFAULT;
int EXPECTED_BLOB_COUNT = 100;
- double ASSOCIATED_PROBABILITY = 0.8;
+ double ASSOCIATED_PROBABILITY = 0.01;
ConditionFactory CALMLY_AWAIT = Awaitility
.with().pollInterval(ONE_HUNDRED_MILLISECONDS)
@@ -109,7 +109,7 @@ public interface BloomFilterGCAlgorithmContract {
.gcedBlobCount(1)
.errorCount(0)
.bloomFilterExpectedBlobCount(100)
- .bloomFilterAssociatedProbability(0.8)
+ .bloomFilterAssociatedProbability(ASSOCIATED_PROBABILITY)
.build());
assertThatThrownBy(() -> blobStore.read(DEFAULT_BUCKET, blobId))
.isInstanceOf(ObjectNotFoundException.class);
@@ -133,7 +133,7 @@ public interface BloomFilterGCAlgorithmContract {
.gcedBlobCount(0)
.errorCount(0)
.bloomFilterExpectedBlobCount(100)
- .bloomFilterAssociatedProbability(0.8)
+ .bloomFilterAssociatedProbability(ASSOCIATED_PROBABILITY)
.build());
assertThat(blobStore.read(DEFAULT_BUCKET, blobId))
.isNotNull();
@@ -158,7 +158,7 @@ public interface BloomFilterGCAlgorithmContract {
.gcedBlobCount(0)
.errorCount(0)
.bloomFilterExpectedBlobCount(100)
- .bloomFilterAssociatedProbability(0.8)
+ .bloomFilterAssociatedProbability(ASSOCIATED_PROBABILITY)
.build());
assertThat(blobStore.read(DEFAULT_BUCKET, blobId))
.isNotNull();
@@ -252,7 +252,7 @@ public interface BloomFilterGCAlgorithmContract {
.gcedBlobCount(0)
.errorCount(1)
.bloomFilterExpectedBlobCount(100)
- .bloomFilterAssociatedProbability(0.8)
+ .bloomFilterAssociatedProbability(ASSOCIATED_PROBABILITY)
.build());
}
}
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