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Full Name
Xiangyu Li
Full Name
ACE Associate
Top Level Details
Job Role
DBA
Company
Beijing Vastdata Technology Co., Ltd.
Country
China, People's Republic of
Top Expertise
Database
Focus Area
Database
About Xiangyu
10 years of Oracle DBA work experience, keen on Oracle internal research, good at Oracle troubleshooting, performance tuning, RAC, ADG, recovery technologies - Frequently share Oracle cases and internal mechanisms on the blog www.minniebaby.tech - Frequent public speeches to share Oracle cases and Oracle internal mechanisms
Expertises
Database
Automatic Storage Management (ASM)
Active Data Guard (ADG)
Backup and Recovery
Performance
Real Applications Clusters (RAC)
SQL Performance
Automatic Workload Repository (AWR)
Upgrade / Migration
Architecture
Home Page
http://www.minniebaby.tech/
Links
Latest Contributions
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semi/anti join cache
Feb 10, 2026 - Blog post -
Optimizer
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More about ITL in oracle
Feb 10, 2026 - Blog post -
Architecture
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Oracle GoldenGate Trail File
Feb 10, 2026 - Blog post -
GoldenGate
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Goldengate extract from Oracle ADG standby side ALO and ADG mode
Feb 10, 2026 - Blog post -
GoldenGate
Active Data Guard (ADG)
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internal block change tracking
Feb 09, 2026 - Blog post -
Block Change Tracking
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Troubleshooting oracle 19c RAC ‘gc cr block lost’ and ‘Library Cache Load Lock’
Feb 09, 2026 - Blog post -
Performance
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Troubleshooting Library cache lock (OPTIMIZER EXPRESSION HEADER ) on oracle 19c
Feb 09, 2026 - Blog post -
Performance
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OGG(12.3) Extract long time lag after Oracle RAC a instance Crash
Jan 31, 2026 - Blog post -
GoldenGate
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reboot Oracle 11g RAC on Linux7 ohasd.bin not running
Jan 31, 2026 - Blog post -
Real Applications Clusters (RAC)
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Troubleshooting Goldengate OGG-02171 and OGG-02191 Pump Extract process ABENDED
Jan 31, 2026 - Blog post -
GoldenGate
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Goldengate Replicat Abends With ORA-00001
Jan 31, 2026 - Blog post -
GoldenGate
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Oracle RAC Multiple Private Interconnects(rp_filter)
Jan 31, 2026 - Blog post -
Real Applications Clusters (RAC)
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ADD NEW TABLE Goldengate extract 、datapump and replicat
Jan 31, 2026 - Blog post -
GoldenGate
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OGG Integrated replicat process Abend with error Ora-4031 “streams pool” “apply shared t”,”commbuf_knasctx[0]”
Jan 31, 2026 - Blog post -
GoldenGate
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Oracle GoldenGate Parallel Replication
Jan 31, 2026 - Blog post -
GoldenGate
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