Apache/hadoop
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

HADOOP-15042. Azure PageBlobInputStream.skip() can return negative value when numberOfPagesRemaining is 0.

Browse Source 
Contributed by Rajesh Balamohan

(cherry picked from commit 0ea182d0faa35c726dcb37249d48786bfc8ca04c)
This commit is contained in:
Steve Loughran 2017-11-28 11:57:51 +00:00
parent 3d73d2f097
commit 5c37a0b841
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azure/PageBlobInputStream.java
View File

@ -343,9 +343,9 @@ private long skipImpl(long n) throws IOException {
// Skip over whole pages as necessary without retrieving them from the
// server.
long pagesToSkipOver = Math.min(
long pagesToSkipOver = Math.max(0, Math.min(
n / PAGE_DATA_SIZE,
numberOfPagesRemaining - 1);
numberOfPagesRemaining - 1));
numberOfPagesRemaining -= pagesToSkipOver;
currentOffsetInBlob += pagesToSkipOver * PAGE_SIZE;
skipped += pagesToSkipOver * PAGE_DATA_SIZE;