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option to disable chunk cache

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This commit is contained in:
Chris Lu
2020-07-15 09:51:51 -07:00
parent 0db4204c81
commit 316e853e0e
1 changed files with 9 additions and 0 deletions
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9
other/java/client/src/main/java/seaweedfs/client/ChunkCache.java
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@@ -10,6 +10,9 @@ public class ChunkCache {
private final Cache<String, byte[]> cache; private final Cache<String, byte[]> cache;
public ChunkCache(int maxEntries) { public ChunkCache(int maxEntries) {
if (maxEntries == 0) {
return;
}
this.cache = CacheBuilder.newBuilder() this.cache = CacheBuilder.newBuilder()
.maximumSize(maxEntries) .maximumSize(maxEntries)
.expireAfterAccess(1, TimeUnit.HOURS) .expireAfterAccess(1, TimeUnit.HOURS)
@@ -17,10 +20,16 @@ public class ChunkCache {
} }
public byte[] getChunk(String fileId) { public byte[] getChunk(String fileId) {
if (this.cache == null) {
return;
}
return this.cache.getIfPresent(fileId); return this.cache.getIfPresent(fileId);
} }
public void setChunk(String fileId, byte[] data) { public void setChunk(String fileId, byte[] data) {
if (this.cache == null) {
return;
}
this.cache.put(fileId, data); this.cache.put(fileId, data);
} }