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Mangesh Jadhav

Results-driven DBA with expertise in SQL Server, Azure SQL, PostgreSQL, Neo4j, OpenSearch, and Databricks, focused on optimizing database performance and ensuring data integrity

Joined on Apr 11, 2025

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OpenSearch, Databricks and Graphdb

16 posts published

1 comment written

1 tag followed

# OpenSearch Tutorial : How to Improve Index and Shard Performance in OpenSearch

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# OpenSearch Tutorial : How to Improve Index and Shard Performance in OpenSearch

#elasticsearch #opensource #dba #opensearch

3 min read

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# PostgreSQL Tutorial: How to Improve PostgreSQL Database Performance

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# PostgreSQL Tutorial: How to Improve PostgreSQL Database Performance

#postgressql #dba #opensource #pgsql

2 min read

# PostgreSQL Tutorial: "Too Many Open Files" Error

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# PostgreSQL Tutorial: "Too Many Open Files" Error

2 min read

#Elasticsearch # Why Elasticsearch May Block When Updating Large Indexes — And How To Fix It

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#Elasticsearch # Why Elasticsearch May Block When Updating Large Indexes — And How To Fix It

#opensource #elasticsearch #dba

3 min read

# Neo4j Tutorial: Handling Neo4j Database Consistency Errors

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# Neo4j Tutorial: Handling Neo4j Database Consistency Errors

#neo4j #graphql #opensource #dba

2 min read

PostgreSQL Tutorial: key limits inside PostgreSQL — And What Happens When You Hit Them

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PostgreSQL Tutorial: key limits inside PostgreSQL — And What Happens When You Hit Them

#postgressql #dba #opensource #pgsql

2 min read

# PostgreSQL Tutorial: What Really Happens When You Add and Drop Columns 2000 Times in PostgreSQL

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# PostgreSQL Tutorial: What Really Happens When You Add and Drop Columns 2000 Times in PostgreSQL

#opensource #postgres #sql

2 min read

# Neo4j Tutorial: Comprehensive Guide to Neo4j Indexing

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# Neo4j Tutorial: Comprehensive Guide to Neo4j Indexing

#neo4j #graphql #nosql #opensource

8 min read

# Neo4j Tutorial: Mastering Variable Length Relationships and Path Algorithms

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# Neo4j Tutorial: Mastering Variable Length Relationships and Path Algorithms

#neo4j #opensource #graphql #nosql

10 min read

# Neo4j Tutorial: Establishing Constraints in Graph Databases

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# Neo4j Tutorial: Establishing Constraints in Graph Databases

9 min read

# Neo4j Tutorial: Skip, Limit, Merge Clause and Aggregate Functions

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# Neo4j Tutorial: Skip, Limit, Merge Clause and Aggregate Functions

10 min read

# Neo4j Tutorial: A Practical Guide to Graph Query Language

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# Neo4j Tutorial: A Practical Guide to Graph Query Language

6 min read

# Neo4j Tutorial : Mastering IN, AND, OR Operators and Relationship Operations

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# Neo4j Tutorial : Mastering IN, AND, OR Operators and Relationship Operations

7 min read

# Neo4j Tutorial : Neo4j Fundamentals: Introduction to Graph Databases

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# Neo4j Tutorial : Neo4j Fundamentals: Introduction to Graph Databases

4 min read

Creating Your First OpenSearch Dashboard: A Step-by-Step Tutorial

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Creating Your First OpenSearch Dashboard: A Step-by-Step Tutorial

#elasticsearch #opensearch #nosql #vectordatabase

7 min read

# PostgreSQL Tutorial: How SQL Query run in PostgreSQL

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# PostgreSQL Tutorial: How SQL Query run in PostgreSQL

#database #postgressql #sql #nosql

2 min read

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