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pulsar vs presto

pulsar and presto share 18 technologies: JAX-RS, org.apache.avro:avro, javax.ws.rs-api, jersey-container-servlet, jetty-bom, jakarta.servlet:jakarta.servlet-api, com.google.inject:guice, aws-java-sdk-sts, jjwt-impl, jjwt-jackson, io.jsonwebtoken:jjwt-api, commons-logging, jcl-over-slf4j, metrics-core, OpenTelemetry, org.apache.logging.log4j:log4j-api, io.opentelemetry:opentelemetry-sdk, and io.opentelemetry.semconv:opentelemetry-semconv. Both are written in Java.

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What they share and what sets them apart

apache

pulsar

Apache Pulsar - distributed pub-sub messaging system

Java15.4kRead on November 8, 2026, at commit 1b6377eWhat is pulsar built with?

Only in pulsar

  • aws-java-sdk-bom
  • curator-recipes
  • hadoop-common
  • org.apache.hadoop:hadoop-hdfs-client
  • zookeeper
  • com.github.ben-manes.caffeine:caffeine
  • github.com/apache/pulsar-client-go
  • RocksDB
  • grpc-bom
  • jersey-container-servlet-core
  • jersey-hk2
  • jersey-media-json-jackson
  • jetty-ee10-servlets
  • vertx-web
  • org.glassfish.jersey.media:jersey-media-multipart
  • org.eclipse.jetty:jetty-util
  • org.eclipse.jetty.ee10.websocket:jetty-ee10-websocket-jetty-server
  • org.eclipse.jetty:jetty-server
  • org.eclipse.jetty.websocket:jetty-websocket-jetty-api
  • org.eclipse.jetty.ee10:jetty-ee10-servlet
  • javax.servlet:javax.servlet-api
  • org.glassfish.jersey.core:jersey-server
  • org.eclipse.jetty.ee8:jetty-ee8-servlet
  • org.apache.felix:org.apache.felix.http.wrappers
  • org.eclipse.jetty.compression:jetty-compression-gzip
  • org.eclipse.jetty.compression:jetty-compression-server
  • java-jwt
  • jwks-rsa
  • org.apache.kerby:kerb-simplekdc
  • commonmark-ext-gfm-tables
  • commonmark-ext-heading-anchor
  • org.commonmark:commonmark
  • jakarta.validation-api
  • client-java
  • docker-java-core
  • io.opentelemetry:opentelemetry-bom
  • io.prometheus:simpleclient
  • log4j-layout-template-json
  • org.apache.logging.log4j:log4j-bom
  • simpleclient_hotspot
  • simpleclient_servlet
  • slf4j-bom
  • org.slf4j:slf4j-api
  • org.apache.logging.log4j:log4j-core
  • github.com/prometheus/client_model
  • Prometheus
  • github.com/sirupsen/logrus
  • io.opentelemetry:opentelemetry-exporter-prometheus

In common

prestodb

presto

The official home of the Presto distributed SQL query engine for big data

Java16.8kRead on November 7, 2026, at commit c9613ccWhat is presto built with?

Only in presto

  • aws-java-sdk-s3
  • com.mysql:mysql-connector-j
  • commons-dbcp2
  • H2 Database
  • hadoop-apache2
  • iceberg-api
  • iceberg-aws
  • iceberg-core
  • iceberg-nessie
  • iceberg-parquet
  • jedis
  • kafka-clients
  • kms
  • lettuce-core
  • MariaDB
  • org.apache.arrow:flight-core
  • org.mongodb:mongodb-driver-sync
  • parquet-jackson
  • PostgreSQL
  • s3
  • org.apache.parquet:parquet-hadoop
  • Apache
  • org.apache.arrow:arrow-vector
  • Redis
  • MySQL
  • org.apache.kudu:kudu-client
  • software.amazon.awssdk:glue
  • Postgres
  • ru.yandex.clickhouse:clickhouse-jdbc
  • com.amazon.redshift:redshift-jdbc42
  • com.microsoft.sqlserver:mssql-jdbc
  • MongoDB
  • org.apache.curator:curator-framework
  • org.apache.zookeeper:zookeeper
  • org.projectnessie.nessie:nessie-client
  • Google
  • Kafka
  • SingleStore
  • grpc-services
  • javax.servlet-api
  • jakarta.inject:jakarta.inject-api
  • React
  • @prestodb/presto-js-client
  • com.google.auth:google-auth-library-oauth2-http
  • google-oauth-client
  • software.amazon.awssdk:auth
  • software.amazon.awssdk:sts
  • Hibernate
  • jakarta.validation:jakarta.validation-api
  • javax.validation:validation-api
  • log4j-1.2-api
  • log4j-core
  • log4j-slf4j-impl
  • slf4j-api
  • slf4j-jdk14
  • io.opentelemetry:opentelemetry-exporter-otlp
  • D3
  • dagre-d3-es
  • react-simple-code-editor
  • prismjs

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
pulsar1,232,950 lines written2,913 code files
presto1,784,880 lines written6,659 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
pulsar0.2% of its commits signed by AIWith Claude Code, GitHub Copilot, and Cursor
presto0% of its commits signed by AIWith Claude Code and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
pulsarLast push November 8, 202615,517 commits15,359 stars
prestoLast push November 7, 202626,312 commits16,770 stars
TestsThe files that test the code, and the share of code files a test imports.
pulsar2,292 test files63.3% of its code files have a test that imports them
presto3,182 test files53.1% of its code files have a test that imports them

Frequently asked questions

Which is bigger, pulsar or presto?
presto, with 1,784,880 lines written; pulsar has 1,232,950.

The proof: prestodb/presto's code at commit c9613cc

Which has more GitHub stars, pulsar or presto?
presto, with 16,770 stars; pulsar has 15,359.

The proof: prestodb/presto on GitHub

Which has more tests, pulsar or presto?
presto, with 3,182 test files; pulsar has 2,292.

The proof: prestodb/presto's code at commit c9613cc

Which was updated more recently, pulsar or presto?
pulsar: its last push was on November 8, 2026, and presto's on November 7, 2026.

The proof: apache/pulsar's commits on GitHub

Which has more commits signed by AI, pulsar or presto?
pulsar: an AI signed 0.2% of its commits, with Claude Code, GitHub Copilot, and Cursor.

The proof: the commits each tool signed in apache/pulsar

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