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Server: fix OOM when truncating large files

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use the same chunk for zero fill
This commit is contained in:
Stepan Usatiuk
2025-03-27 12:23:13 +01:00
parent d9ded36891
commit adcc5f464f
1 changed files with 3 additions and 3 deletions
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6
dhfs-parent/server/src/main/java/com/usatiuk/dhfs/files/service/DhfsFileServiceImpl.java
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@@ -597,7 +597,7 @@ public class DhfsFileServiceImpl implements DhfsFileService {
long start = curSize;
// Hack
HashMap<Long, ByteString> zeroCache = new HashMap<>();
HashMap<Long, ChunkData> zeroCache = new HashMap<>();
{
long cur = 0;
@@ -615,9 +615,9 @@ public class DhfsFileServiceImpl implements DhfsFileService {
}
if (!zeroCache.containsKey(end - cur))
zeroCache.put(end - cur, UnsafeByteOperations.unsafeWrap(new byte[Math.toIntExact(end - cur)]));
zeroCache.put(end - cur, createChunk(UnsafeByteOperations.unsafeWrap(new byte[Math.toIntExact(end - cur)])));
ChunkData newChunkData = createChunk(zeroCache.get(end - cur));
ChunkData newChunkData = zeroCache.get(end - cur);
newChunks.put(start, newChunkData.key());
start += newChunkData.data().size();