tao meng created HUDI-2090:
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Summary: when hudi metadata is enabled, use different user to
query table, the query will failed
Key: HUDI-2090
URL: https://issues.apache.org/jira/browse/HUDI-2090
Project: Apache Hudi
Issue Type: Bug
Components: Common Core
Affects Versions: 0.8.0
Reporter: tao meng
Assignee: tao meng
Fix For: 0.9.0
when hudi metadata is enabled, use different user to query table, the query
will failed.
The user permissions of the temporary directory generated by DiskBasedMap are
incorrect. This directory only has permissions for the user of current
operation, and other users have no permissions to access it, which leads to
this problem
test step：
step1: create hudi table with metadata enabled.
step1： create two user（omm，user2）
step2:
f1) use omm to query hudi table
DiskBasedMap will generate view_map with permissions drwx------.
2) then user user2 to query hudi table
now user2 has no right to access view_map which created by omm, the exception
will throws:
org.apache.hudi.exception.HoodieIOException: IOException when creating
ExternalSplillableMap at /tmp/view_map
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