[doris-thirdparty] branch libhdfs3 updated: improve seek performence when seeking a wide range

[yangzhg]

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yangzhg pushed a commit to branch libhdfs3
in repository https://gitbox.apache.org/repos/asf/doris-thirdparty.git


The following commit(s) were added to refs/heads/libhdfs3 by this push:
     new 525b6a2  improve seek performence when seeking a wide range
     new 23e6985  Merge pull request #2 from dujl/hdfs-scan
525b6a2 is described below

commit 525b6a2e697f02f5ab28417d4a6fb17a2eaced1b
Author: dujunling <dujunl...@bytedance.com>
AuthorDate: Wed Aug 3 20:57:02 2022 +0800

    improve seek performence when seeking a wide range
---
 src/client/InputStreamImpl.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/client/InputStreamImpl.cpp b/src/client/InputStreamImpl.cpp
index 05f27a5..c8baa9c 100644
--- a/src/client/InputStreamImpl.cpp
+++ b/src/client/InputStreamImpl.cpp
@@ -734,7 +734,7 @@ void InputStreamImpl::seekInternal(int64_t pos) {
     }
 
     try {
-        if (blockReader && pos > cursor && pos < endOfCurBlock) {
+        if (blockReader && pos > cursor && pos < endOfCurBlock && (pos - 
cursor) <= blockReader->available()) {
             blockReader->skip(pos - cursor);
             cursor = pos;
             return;


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