HFile has a possible cast issue.
--------------------------------
Key: HBASE-5071
URL: https://issues.apache.org/jira/browse/HBASE-5071
Project: HBase
Issue Type: Bug
Components: io
Affects Versions: 0.90.0
Reporter: Harsh J
HBASE-3040 introduced this line originally in HFile.Reader#loadFileInfo(...):
{code}
int allIndexSize = (int)(this.fileSize - this.trailer.dataIndexOffset -
FixedFileTrailer.trailerSize());
{code}
Which on trunk today, for HFile v1 is:
{code}
int sizeToLoadOnOpen = (int) (fileSize - trailer.getLoadOnOpenDataOffset() -
trailer.getTrailerSize());
{code}
This computed (and casted) integer is then used to build an array of the same
size. But if fileSize is very large (>> Integer.MAX_VALUE), then there's an
easy chance this can go negative at some point and spew out exceptions such as:
{code}
java.lang.NegativeArraySizeException
at org.apache.hadoop.hbase.io.hfile.HFile$Reader.readAllIndex(HFile.java:805)
at org.apache.hadoop.hbase.io.hfile.HFile$Reader.loadFileInfo(HFile.java:832)
at
org.apache.hadoop.hbase.regionserver.StoreFile$Reader.loadFileInfo(StoreFile.java:1003)
at org.apache.hadoop.hbase.regionserver.StoreFile.open(StoreFile.java:382)
at
org.apache.hadoop.hbase.regionserver.StoreFile.createReader(StoreFile.java:438)
at org.apache.hadoop.hbase.regionserver.Store.loadStoreFiles(Store.java:267)
at org.apache.hadoop.hbase.regionserver.Store.<init>(Store.java:209)
at
org.apache.hadoop.hbase.regionserver.HRegion.instantiateHStore(HRegion.java:2088)
at org.apache.hadoop.hbase.regionserver.HRegion.initialize(HRegion.java:358)
at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:2661)
at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:2647)
{code}
Did we accidentally limit single region sizes this way?
(Unsure about HFile v2's structure so far, so do not know if v2 has the same
issue.)
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