diff options
5 files changed, 342 insertions, 34 deletions
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfigTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfigTest.java index 2df0ba1b05..6ca0ff6a16 100644 --- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfigTest.java +++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfigTest.java @@ -38,11 +38,27 @@ package org.eclipse.jgit.internal.storage.dfs; +import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_CORE_SECTION; +import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_DFS_CACHE_PREFIX; +import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_DFS_SECTION; +import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_KEY_BLOCK_LIMIT; +import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_KEY_BLOCK_SIZE; +import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_KEY_CONCURRENCY_LEVEL; +import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_KEY_PACK_EXTENSIONS; +import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_KEY_STREAM_RATIO; import static org.hamcrest.MatcherAssert.assertThat; +import static org.hamcrest.Matchers.closeTo; +import static org.hamcrest.Matchers.hasSize; import static org.hamcrest.Matchers.is; import static org.junit.Assert.assertThrows; +import java.util.List; +import java.util.stream.Collectors; + import org.eclipse.jgit.internal.JGitText; +import org.eclipse.jgit.internal.storage.dfs.DfsBlockCacheConfig.DfsBlockCachePackExtConfig; +import org.eclipse.jgit.internal.storage.pack.PackExt; +import org.eclipse.jgit.lib.Config; import org.junit.Test; public class DfsBlockCacheConfigTest { @@ -80,4 +96,147 @@ public class DfsBlockCacheConfigTest { assertThat(config.getBlockSize(), is(65536)); } + + @Test + public void fromConfigs() { + Config config = new Config(); + config.setLong(CONFIG_CORE_SECTION, CONFIG_DFS_SECTION, + CONFIG_KEY_BLOCK_LIMIT, 50 * 1024); + config.setInt(CONFIG_CORE_SECTION, CONFIG_DFS_SECTION, + CONFIG_KEY_BLOCK_SIZE, 1024); + config.setInt(CONFIG_CORE_SECTION, CONFIG_DFS_SECTION, + CONFIG_KEY_CONCURRENCY_LEVEL, 3); + config.setString(CONFIG_CORE_SECTION, CONFIG_DFS_SECTION, + CONFIG_KEY_STREAM_RATIO, "0.5"); + + DfsBlockCacheConfig cacheConfig = new DfsBlockCacheConfig() + .fromConfig(config); + assertThat(cacheConfig.getBlockLimit(), is(50L * 1024L)); + assertThat(cacheConfig.getBlockSize(), is(1024)); + assertThat(cacheConfig.getConcurrencyLevel(), is(3)); + assertThat(cacheConfig.getStreamRatio(), closeTo(0.5, 0.0001)); + } + + @Test + public void fromConfig_blockLimitNotAMultipleOfBlockSize_throws() { + Config config = new Config(); + config.setLong(CONFIG_CORE_SECTION, CONFIG_DFS_SECTION, + CONFIG_KEY_BLOCK_LIMIT, 1025); + config.setInt(CONFIG_CORE_SECTION, CONFIG_DFS_SECTION, + CONFIG_KEY_BLOCK_SIZE, 1024); + + assertThrows(IllegalArgumentException.class, + () -> new DfsBlockCacheConfig().fromConfig(config)); + } + + @Test + public void fromConfig_streamRatioInvalidFormat_throws() { + Config config = new Config(); + config.setString(CONFIG_CORE_SECTION, CONFIG_DFS_SECTION, + CONFIG_KEY_STREAM_RATIO, "0.a5"); + + assertThrows(IllegalArgumentException.class, + () -> new DfsBlockCacheConfig().fromConfig(config)); + } + + @Test + public void fromConfig_generatesDfsBlockCachePackExtConfigs() { + Config config = new Config(); + addPackExtConfigEntry(config, "pack", List.of(PackExt.PACK), + /* blockLimit= */ 20 * 512, /* blockSize= */ 512); + + addPackExtConfigEntry(config, "bitmap", List.of(PackExt.BITMAP_INDEX), + /* blockLimit= */ 25 * 1024, /* blockSize= */ 1024); + + addPackExtConfigEntry(config, "index", + List.of(PackExt.INDEX, PackExt.OBJECT_SIZE_INDEX, + PackExt.REVERSE_INDEX), + /* blockLimit= */ 30 * 1024, /* blockSize= */ 1024); + + DfsBlockCacheConfig cacheConfig = new DfsBlockCacheConfig() + .fromConfig(config); + var configs = cacheConfig.getPackExtCacheConfigurations(); + assertThat(configs, hasSize(3)); + var packConfig = getConfigForExt(configs, PackExt.PACK); + assertThat(packConfig.getBlockLimit(), is(20L * 512L)); + assertThat(packConfig.getBlockSize(), is(512)); + + var bitmapConfig = getConfigForExt(configs, PackExt.BITMAP_INDEX); + assertThat(bitmapConfig.getBlockLimit(), is(25L * 1024L)); + assertThat(bitmapConfig.getBlockSize(), is(1024)); + + var indexConfig = getConfigForExt(configs, PackExt.INDEX); + assertThat(indexConfig.getBlockLimit(), is(30L * 1024L)); + assertThat(indexConfig.getBlockSize(), is(1024)); + assertThat(getConfigForExt(configs, PackExt.OBJECT_SIZE_INDEX), + is(indexConfig)); + assertThat(getConfigForExt(configs, PackExt.REVERSE_INDEX), + is(indexConfig)); + } + + @Test + public void fromConfigs_dfsBlockCachePackExtConfigWithDuplicateExtensions_throws() { + Config config = new Config(); + config.setString(CONFIG_CORE_SECTION, CONFIG_DFS_CACHE_PREFIX + "pack1", + CONFIG_KEY_PACK_EXTENSIONS, PackExt.PACK.name()); + + config.setString(CONFIG_CORE_SECTION, CONFIG_DFS_CACHE_PREFIX + "pack2", + CONFIG_KEY_PACK_EXTENSIONS, PackExt.PACK.name()); + + assertThrows(IllegalArgumentException.class, + () -> new DfsBlockCacheConfig().fromConfig(config)); + } + + @Test + public void fromConfigs_dfsBlockCachePackExtConfigWithEmptyExtensions_throws() { + Config config = new Config(); + config.setString(CONFIG_CORE_SECTION, CONFIG_DFS_CACHE_PREFIX + "pack1", + CONFIG_KEY_PACK_EXTENSIONS, ""); + + assertThrows(IllegalArgumentException.class, + () -> new DfsBlockCacheConfig().fromConfig(config)); + } + + @Test + public void fromConfigs_dfsBlockCachePackExtConfigWithNoExtensions_throws() { + Config config = new Config(); + config.setInt(CONFIG_CORE_SECTION, CONFIG_DFS_CACHE_PREFIX + "pack1", + CONFIG_KEY_BLOCK_SIZE, 0); + + assertThrows(IllegalArgumentException.class, + () -> new DfsBlockCacheConfig().fromConfig(config)); + } + + @Test + public void fromConfigs_dfsBlockCachePackExtConfigWithUnknownExtensions_throws() { + Config config = new Config(); + config.setString(CONFIG_CORE_SECTION, + CONFIG_DFS_CACHE_PREFIX + "unknownExt", + CONFIG_KEY_PACK_EXTENSIONS, "NotAKnownExt"); + + assertThrows(IllegalArgumentException.class, + () -> new DfsBlockCacheConfig().fromConfig(config)); + } + + private static void addPackExtConfigEntry(Config config, String configName, + List<PackExt> packExts, long blockLimit, int blockSize) { + String packExtConfigName = CONFIG_DFS_CACHE_PREFIX + configName; + config.setString(CONFIG_CORE_SECTION, packExtConfigName, + CONFIG_KEY_PACK_EXTENSIONS, packExts.stream().map(PackExt::name) + .collect(Collectors.joining(" "))); + config.setLong(CONFIG_CORE_SECTION, packExtConfigName, + CONFIG_KEY_BLOCK_LIMIT, blockLimit); + config.setInt(CONFIG_CORE_SECTION, packExtConfigName, + CONFIG_KEY_BLOCK_SIZE, blockSize); + } + + private static DfsBlockCacheConfig getConfigForExt( + List<DfsBlockCachePackExtConfig> configs, PackExt packExt) { + for (DfsBlockCachePackExtConfig config : configs) { + if (config.getPackExts().contains(packExt)) { + return config.getPackExtCacheConfiguration(); + } + } + return null; + } } diff --git a/org.eclipse.jgit/resources/org/eclipse/jgit/internal/JGitText.properties b/org.eclipse.jgit/resources/org/eclipse/jgit/internal/JGitText.properties index 19c90086aa..9d12facb33 100644 --- a/org.eclipse.jgit/resources/org/eclipse/jgit/internal/JGitText.properties +++ b/org.eclipse.jgit/resources/org/eclipse/jgit/internal/JGitText.properties @@ -285,6 +285,7 @@ DIRCUnrecognizedExtendedFlags=Unrecognized extended flags: {0} downloadCancelled=Download cancelled downloadCancelledDuringIndexing=Download cancelled during indexing duplicateAdvertisementsOf=duplicate advertisements of {0} +duplicatePackExtensionsSet=Attempting to configure duplicate pack extensions: {0}.{1}.{2} contains {3} duplicateRef=Duplicate ref: {0} duplicateRefAttribute=Duplicate ref attribute: {0} duplicateRemoteRefUpdateIsIllegal=Duplicate remote ref update is illegal. Affected remote name: {0} @@ -539,6 +540,8 @@ noMergeBase=No merge base could be determined. Reason={0}. {1} noMergeHeadSpecified=No merge head specified nonBareLinkFilesNotSupported=Link files are not supported with nonbare repos nonCommitToHeads=Cannot point a branch to a non-commit object +noPackExtConfigurationGiven=No PackExt configuration given +noPackExtGivenForConfiguration=No PackExt given for configuration noPathAttributesFound=No Attributes found for {0}. noSuchRef=no such ref noSuchRefKnown=no such ref: {0} @@ -829,6 +832,7 @@ unknownObject=unknown object unknownObjectInIndex=unknown object {0} found in index but not in pack file unknownObjectType=Unknown object type {0}. unknownObjectType2=unknown +unknownPackExtension=Unknown pack extension: {0}.{1}.{2}={3} unknownPositionEncoding=Unknown position encoding %s unknownRefStorageFormat=Unknown ref storage format "{0}" unknownRepositoryFormat=Unknown repository format diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/JGitText.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/JGitText.java index 700b54a7a6..311d9c22aa 100644 --- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/JGitText.java +++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/JGitText.java @@ -315,6 +315,7 @@ public class JGitText extends TranslationBundle { /***/ public String downloadCancelled; /***/ public String downloadCancelledDuringIndexing; /***/ public String duplicateAdvertisementsOf; + /***/ public String duplicatePackExtensionsSet; /***/ public String duplicateRef; /***/ public String duplicateRefAttribute; /***/ public String duplicateRemoteRefUpdateIsIllegal; @@ -569,6 +570,8 @@ public class JGitText extends TranslationBundle { /***/ public String noMergeHeadSpecified; /***/ public String nonBareLinkFilesNotSupported; /***/ public String nonCommitToHeads; + /***/ public String noPackExtConfigurationGiven; + /***/ public String noPackExtGivenForConfiguration; /***/ public String noPathAttributesFound; /***/ public String noSuchRef; /***/ public String noSuchRefKnown; @@ -858,6 +861,7 @@ public class JGitText extends TranslationBundle { /***/ public String unknownObjectInIndex; /***/ public String unknownObjectType; /***/ public String unknownObjectType2; + /***/ public String unknownPackExtension; /***/ public String unknownPositionEncoding; /***/ public String unknownRefStorageFormat; /***/ public String unknownRepositoryFormat; diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfig.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfig.java index 77273cec61..fa86701de8 100644 --- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfig.java +++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfig.java @@ -11,17 +11,25 @@ package org.eclipse.jgit.internal.storage.dfs; import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_CORE_SECTION; +import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_DFS_CACHE_PREFIX; import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_DFS_SECTION; import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_KEY_BLOCK_LIMIT; import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_KEY_BLOCK_SIZE; import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_KEY_CONCURRENCY_LEVEL; +import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_KEY_PACK_EXTENSIONS; import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_KEY_STREAM_RATIO; import java.text.MessageFormat; import java.time.Duration; +import java.util.ArrayList; import java.util.Collections; +import java.util.EnumSet; +import java.util.HashSet; +import java.util.List; import java.util.Map; +import java.util.Set; import java.util.function.Consumer; +import java.util.stream.Collectors; import org.eclipse.jgit.internal.JGitText; import org.eclipse.jgit.internal.storage.pack.PackExt; @@ -42,15 +50,21 @@ public class DfsBlockCacheConfig { public static final int DEFAULT_CACHE_HOT_MAX = 1; private long blockLimit; + private int blockSize; + private double streamRatio; + private int concurrencyLevel; private Consumer<Long> refLock; + private Map<PackExt, Integer> cacheHotMap; private IndexEventConsumer indexEventConsumer; + private List<DfsBlockCachePackExtConfig> packExtCacheConfigurations; + /** * Create a default configuration. */ @@ -60,6 +74,7 @@ public class DfsBlockCacheConfig { setStreamRatio(0.30); setConcurrencyLevel(32); cacheHotMap = Collections.emptyMap(); + packExtCacheConfigurations = Collections.emptyList(); } /** @@ -77,10 +92,10 @@ public class DfsBlockCacheConfig { * Set maximum number bytes of heap memory to dedicate to caching pack file * data. * <p> - * It is strongly recommended to set the block limit to be an integer multiple - * of the block size. This constraint is not enforced by this method (since - * it may be called before {@link #setBlockSize(int)}), but it is enforced by - * {@link #fromConfig(Config)}. + * It is strongly recommended to set the block limit to be an integer + * multiple of the block size. This constraint is not enforced by this + * method (since it may be called before {@link #setBlockSize(int)}), but it + * is enforced by {@link #fromConfig(Config)}. * * @param newLimit * maximum number bytes of heap memory to dedicate to caching @@ -89,9 +104,9 @@ public class DfsBlockCacheConfig { */ public DfsBlockCacheConfig setBlockLimit(long newLimit) { if (newLimit <= 0) { - throw new IllegalArgumentException(MessageFormat.format( - JGitText.get().blockLimitNotPositive, - Long.valueOf(newLimit))); + throw new IllegalArgumentException( + MessageFormat.format(JGitText.get().blockLimitNotPositive, + Long.valueOf(newLimit))); } blockLimit = newLimit; return this; @@ -240,61 +255,100 @@ public class DfsBlockCacheConfig { } /** + * Get the list of pack ext cache configs. + * + * @return the list of pack ext cache configs. + */ + List<DfsBlockCachePackExtConfig> getPackExtCacheConfigurations() { + return packExtCacheConfigurations; + } + + /** * Update properties by setting fields from the configuration. * <p> * If a property is not defined in the configuration, then it is left * unmodified. * <p> - * Enforces certain constraints on the combination of settings in the config, - * for example that the block limit is a multiple of the block size. + * Enforces certain constraints on the combination of settings in the + * config, for example that the block limit is a multiple of the block size. * * @param rc * configuration to read properties from. * @return {@code this} */ public DfsBlockCacheConfig fromConfig(Config rc) { - long cfgBlockLimit = rc.getLong( - CONFIG_CORE_SECTION, - CONFIG_DFS_SECTION, - CONFIG_KEY_BLOCK_LIMIT, - getBlockLimit()); - int cfgBlockSize = rc.getInt( - CONFIG_CORE_SECTION, - CONFIG_DFS_SECTION, - CONFIG_KEY_BLOCK_SIZE, + fromConfig(CONFIG_CORE_SECTION, CONFIG_DFS_SECTION, rc); + loadPackExtConfigs(rc); + return this; + } + + private void fromConfig(String section, String subSection, Config rc) { + long cfgBlockLimit = rc.getLong(section, subSection, + CONFIG_KEY_BLOCK_LIMIT, getBlockLimit()); + int cfgBlockSize = rc.getInt(section, subSection, CONFIG_KEY_BLOCK_SIZE, getBlockSize()); if (cfgBlockLimit % cfgBlockSize != 0) { throw new IllegalArgumentException(MessageFormat.format( JGitText.get().blockLimitNotMultipleOfBlockSize, - Long.valueOf(cfgBlockLimit), - Long.valueOf(cfgBlockSize))); + Long.valueOf(cfgBlockLimit), Long.valueOf(cfgBlockSize))); } setBlockLimit(cfgBlockLimit); setBlockSize(cfgBlockSize); - setConcurrencyLevel(rc.getInt( - CONFIG_CORE_SECTION, - CONFIG_DFS_SECTION, - CONFIG_KEY_CONCURRENCY_LEVEL, - getConcurrencyLevel())); + setConcurrencyLevel(rc.getInt(section, subSection, + CONFIG_KEY_CONCURRENCY_LEVEL, getConcurrencyLevel())); - String v = rc.getString( - CONFIG_CORE_SECTION, - CONFIG_DFS_SECTION, - CONFIG_KEY_STREAM_RATIO); + String v = rc.getString(section, subSection, CONFIG_KEY_STREAM_RATIO); if (v != null) { try { setStreamRatio(Double.parseDouble(v)); } catch (NumberFormatException e) { throw new IllegalArgumentException(MessageFormat.format( - JGitText.get().enumValueNotSupported3, - CONFIG_CORE_SECTION, - CONFIG_DFS_SECTION, - CONFIG_KEY_STREAM_RATIO, v), e); + JGitText.get().enumValueNotSupported3, section, + subSection, CONFIG_KEY_STREAM_RATIO, v), e); } } - return this; + } + + private void loadPackExtConfigs(Config config) { + List<String> subSections = config.getSubsections(CONFIG_CORE_SECTION) + .stream() + .filter(section -> section.startsWith(CONFIG_DFS_CACHE_PREFIX)) + .collect(Collectors.toList()); + if (subSections.size() == 0) { + return; + } + ArrayList<DfsBlockCachePackExtConfig> cacheConfigs = new ArrayList<>(); + Set<PackExt> extensionsSeen = new HashSet<>(); + for (String subSection : subSections) { + var cacheConfig = DfsBlockCachePackExtConfig.fromConfig(config, + CONFIG_CORE_SECTION, subSection); + Set<PackExt> packExtsDuplicates = intersection(extensionsSeen, + cacheConfig.packExts); + if (packExtsDuplicates.size() > 0) { + String duplicatePackExts = packExtsDuplicates.stream() + .map(PackExt::toString) + .collect(Collectors.joining(",")); + throw new IllegalArgumentException(MessageFormat.format( + JGitText.get().duplicatePackExtensionsSet, + CONFIG_CORE_SECTION, subSection, + CONFIG_KEY_PACK_EXTENSIONS, duplicatePackExts)); + } + extensionsSeen.addAll(cacheConfig.packExts); + cacheConfigs.add(cacheConfig); + } + packExtCacheConfigurations = cacheConfigs; + } + + private static <T> Set<T> intersection(Set<T> first, Set<T> second) { + Set<T> ret = new HashSet<>(); + for (T entry : second) { + if (first.contains(entry)) { + ret.add(entry); + } + } + return ret; } /** Consumer of DfsBlockCache loading and eviction events for indexes. */ @@ -346,4 +400,81 @@ public class DfsBlockCacheConfig { return false; } } + + /** + * A configuration for a single cache table storing 1 or more Pack + * extensions. + * <p> + * The current pack ext cache tables implementation supports the same + * parameters the ClockBlockCacheTable (current default implementation). + * <p> + * Configuration falls back to the defaults coded values defined in the + * {@link DfsBlockCacheConfig} when not set on each cache table + * configuration and NOT the values of the basic dfs section. + * <p> + * <code> + * + * Format: + * [core "dfs.packCache"] + * packExtensions = "PACK" + * blockSize = 512 + * blockLimit = 100 + * concurrencyLevel = 5 + * + * [core "dfs.multipleExtensionCache"] + * packExtensions = "INDEX REFTABLE BITMAP_INDEX" + * blockSize = 512 + * blockLimit = 100 + * concurrencyLevel = 5 + * </code> + */ + static class DfsBlockCachePackExtConfig { + // Set of pack extensions that will map to the cache instance. + private final EnumSet<PackExt> packExts; + + // Configuration for the cache instance. + private final DfsBlockCacheConfig packExtCacheConfiguration; + + private DfsBlockCachePackExtConfig(EnumSet<PackExt> packExts, + DfsBlockCacheConfig packExtCacheConfiguration) { + this.packExts = packExts; + this.packExtCacheConfiguration = packExtCacheConfiguration; + } + + Set<PackExt> getPackExts() { + return packExts; + } + + DfsBlockCacheConfig getPackExtCacheConfiguration() { + return packExtCacheConfiguration; + } + + private static DfsBlockCachePackExtConfig fromConfig(Config config, + String section, String subSection) { + String packExtensions = config.getString(section, subSection, + CONFIG_KEY_PACK_EXTENSIONS); + if (packExtensions == null) { + throw new IllegalArgumentException( + JGitText.get().noPackExtGivenForConfiguration); + } + String[] extensions = packExtensions.split(" ", -1); + Set<PackExt> packExts = new HashSet<>(extensions.length); + for (String extension : extensions) { + try { + packExts.add(PackExt.valueOf(extension)); + } catch (IllegalArgumentException e) { + throw new IllegalArgumentException(MessageFormat.format( + JGitText.get().unknownPackExtension, section, + subSection, CONFIG_KEY_PACK_EXTENSIONS, extension), + e); + } + } + + DfsBlockCacheConfig dfsBlockCacheConfig = new DfsBlockCacheConfig(); + dfsBlockCacheConfig.fromConfig(section, subSection, config); + return new DfsBlockCachePackExtConfig(EnumSet.copyOf(packExts), + dfsBlockCacheConfig); + } + + } }
\ No newline at end of file diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ConfigConstants.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ConfigConstants.java index e9fbc65696..f4e43c9f53 100644 --- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ConfigConstants.java +++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ConfigConstants.java @@ -77,6 +77,9 @@ public final class ConfigConstants { /** The "dfs" section */ public static final String CONFIG_DFS_SECTION = "dfs"; + /** The dfs cache subsection prefix */ + public static final String CONFIG_DFS_CACHE_PREFIX = "dfs."; + /** * The "receive" section * @since 4.6 @@ -332,6 +335,13 @@ public final class ConfigConstants { public static final String CONFIG_KEY_DELTA_BASE_CACHE_LIMIT = "deltaBaseCacheLimit"; /** + * The "packExtensions" key + * + * @since 7.0 + **/ + public static final String CONFIG_KEY_PACK_EXTENSIONS = "packExtensions"; + + /** * The "symlinks" key * @since 3.3 */ |