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[#11166] Bypass cache for long SQL queries
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68 changes: 68 additions & 0 deletions
68
...filer/src/main/java/com/navercorp/pinpoint/profiler/metadata/UidCachingSqlNormalizer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| package com.navercorp.pinpoint.profiler.metadata; | ||
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| import com.google.common.hash.Hashing; | ||
| import com.navercorp.pinpoint.common.profiler.sql.DefaultSqlNormalizer; | ||
| import com.navercorp.pinpoint.common.profiler.sql.NormalizedSql; | ||
| import com.navercorp.pinpoint.common.profiler.sql.SqlNormalizer; | ||
| import com.navercorp.pinpoint.profiler.cache.Cache; | ||
| import com.navercorp.pinpoint.profiler.cache.Result; | ||
| import com.navercorp.pinpoint.profiler.cache.UidCache; | ||
| import org.apache.logging.log4j.LogManager; | ||
| import org.apache.logging.log4j.Logger; | ||
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| import java.nio.charset.StandardCharsets; | ||
| import java.util.function.Function; | ||
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| public class UidCachingSqlNormalizer implements CachingSqlNormalizer<ParsingResultInternal<byte[]>> { | ||
| private final Logger logger = LogManager.getLogger(this.getClass()); | ||
| private final Function<String, byte[]> hashFunction = x -> Hashing.murmur3_128().hashString(x, StandardCharsets.UTF_8).asBytes(); | ||
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| private final Cache<String, Result<byte[]>> sqlCache; | ||
| private final SqlNormalizer sqlNormalizer; | ||
| private final int lengthLimit; | ||
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| public UidCachingSqlNormalizer(int cacheSize, int lengthLimit) { | ||
| this.sqlCache = new UidCache(cacheSize, hashFunction); | ||
| this.sqlNormalizer = new DefaultSqlNormalizer(); | ||
| this.lengthLimit = lengthLimit; | ||
| } | ||
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| @Override | ||
| public boolean normalizedSql(ParsingResultInternal<byte[]> parsingResult) { | ||
| if (parsingResult == null) { | ||
| return false; | ||
| } | ||
| if (parsingResult.getId() != null) { | ||
| // already cached | ||
| return false; | ||
| } | ||
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| final String originalSql = parsingResult.getOriginalSql(); | ||
| final NormalizedSql normalizedSql = this.sqlNormalizer.normalizeSql(originalSql); | ||
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| byte[] uid; | ||
| boolean isNewValue; | ||
| if (originalSql.length() > lengthLimit) { | ||
| uid = hashFunction.apply(normalizedSql.getNormalizedSql()); | ||
| isNewValue = true; | ||
| } else { | ||
| final Result<byte[]> cachingResult = this.sqlCache.put(normalizedSql.getNormalizedSql()); | ||
| uid = cachingResult.getId(); | ||
| isNewValue = cachingResult.isNewValue(); | ||
| } | ||
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| setParsingResult(parsingResult, uid, normalizedSql); | ||
| return isNewValue; | ||
| } | ||
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| private void setParsingResult(ParsingResultInternal<byte[]> parsingResult, byte[] uid, NormalizedSql normalizedSql) { | ||
| boolean success = parsingResult.setId(uid); | ||
| if (!success) { | ||
| if (logger.isWarnEnabled()) { | ||
| logger.warn("invalid state. setSqlUid fail setUid:{}, ParsingResultInternal:{}", uid, parsingResult); | ||
| } | ||
| } | ||
| parsingResult.setSql(normalizedSql.getNormalizedSql()); | ||
| parsingResult.setOutput(normalizedSql.getParseParameter()); | ||
| } | ||
| } |
55 changes: 35 additions & 20 deletions
55
agent-module/profiler/src/test/java/com/navercorp/pinpoint/profiler/cache/UidCacheTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,40 +1,55 @@ | ||
| package com.navercorp.pinpoint.profiler.cache; | ||
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| import org.junit.jupiter.api.BeforeEach; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.junit.jupiter.api.extension.ExtendWith; | ||
| import org.mockito.Mock; | ||
| import org.mockito.junit.jupiter.MockitoExtension; | ||
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| import java.util.Arrays; | ||
| import java.util.function.Function; | ||
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| import static org.junit.jupiter.api.Assertions.assertArrayEquals; | ||
| import static org.junit.jupiter.api.Assertions.assertFalse; | ||
| import static org.junit.jupiter.api.Assertions.assertTrue; | ||
| import static org.mockito.ArgumentMatchers.any; | ||
| import static org.mockito.Mockito.times; | ||
| import static org.mockito.Mockito.verify; | ||
| import static org.mockito.Mockito.when; | ||
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| public class UidCacheTest { | ||
| @Test | ||
| public void sameValue() { | ||
| UidCache cache1 = newCache(); | ||
| UidCache cache2 = newCache(); | ||
| @ExtendWith(MockitoExtension.class) | ||
| class UidCacheTest { | ||
| UidCache sut; | ||
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| Result<byte[]> result1 = cache1.put("test"); | ||
| Result<byte[]> result2 = cache2.put("test"); | ||
| @Mock | ||
| Function<String, byte[]> uidFunction; | ||
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| assertTrue(result1.isNewValue()); | ||
| assertTrue(result2.isNewValue()); | ||
| assertArrayEquals(result1.getId(), result2.getId()); | ||
| @BeforeEach | ||
| void setUp() { | ||
| sut = new UidCache(1024, uidFunction); | ||
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| when(uidFunction.apply(any())) | ||
| .thenReturn(new byte[]{}); | ||
| } | ||
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| @Test | ||
| public void differentValue() { | ||
| UidCache cache = newCache(); | ||
| void sameValue() { | ||
| Result<byte[]> result1 = sut.put("test"); | ||
| Result<byte[]> result2 = sut.put("test"); | ||
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| assertTrue(result1.isNewValue()); | ||
| assertFalse(result2.isNewValue()); | ||
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| Result<byte[]> result1 = cache.put("test"); | ||
| Result<byte[]> result2 = cache.put("different"); | ||
| verify(uidFunction, times(1)).apply("test"); | ||
| } | ||
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| @Test | ||
| void differentValue() { | ||
| Result<byte[]> result1 = sut.put("test"); | ||
| Result<byte[]> result2 = sut.put("different"); | ||
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| assertTrue(result1.isNewValue()); | ||
| assertTrue(result2.isNewValue()); | ||
| assertFalse(Arrays.equals(result1.getId(), result2.getId())); | ||
| } | ||
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| private UidCache newCache() { | ||
| return new UidCache(1024); | ||
| verify(uidFunction, times(1)).apply("test"); | ||
| verify(uidFunction, times(1)).apply("different"); | ||
| } | ||
| } |
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