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5 Oct 2026 Intermittent PgBouncer login rejections caused by IPv6 localhost resolution Knowledge BaseData Management and AnalyticsDatabaseCase StudiesData Management and AnalyticsDatabase
1 Oct 2026 Recovering Cassandra nodes blocked by corrupted system_traces SSTables and oversized trace partitions Knowledge BaseData Management and AnalyticsDatabaseCase Studies
Infrastructure and Network 28 Sep 2026 RustFS: Open-Source S3-Compatible Object Storage Built in Rust StorageRUS
25 Sep 2026 Removing manual DR rebuilds after primary-site failover for a Patroni PostgreSQL deployment Knowledge BaseData Management and AnalyticsDatabaseCase Studies
17 Sep 2026 PostgreSQL 15.17 (Patroni) — investigating high RAM usage with 4,000 connections Knowledge BaseData Management and AnalyticsDatabaseCase Studies
Communication and Collaboration 1 Sep 2026 CryptPad: End-to-End Encrypted Collaboration for the Privacy-Conscious UtilityCRY
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Articles
25 Jun 2026 Backups Without the Enterprise Price Tag: Using OpenZFS with Neo4j Community Edition

The Backup Problem Nobody Talks About When teams evaluate Neo4j for their graph database needs, the Community Edition looks like an obvious starting point. It’s free, powerful, and more than capable of handling serious workloads. But somewhere between the initial setup and the first production deployment, a quiet realization sets in: native backup functionality in […]

 Articles
25 May 2026 Building High Availability with NGINX: Active-Active and Active-Passive Architectures

High Availability Starts with Removing Single Points of Failure NGINX is often placed at the most important point in a web architecture. It receives traffic before it reaches applications, APIs, services, containers, or backend systems. It can act as a reverse proxy, load balancer, SSL termination layer, caching layer, and traffic control point. Because it […]

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25 May 2026 The Hidden Complexity of NGINX: When DIY Configuration Costs More Than Support

The Gap Between Getting NGINX Running and Getting It Right There is a version of NGINX that most teams encounter first: the one that installs cleanly, serves a default page, and seems straightforward enough that configuring it for production feels like a natural next step. That version is real. NGINX is genuinely well-documented, widely adopted, […]

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25 May 2026 NGINX Performance Tuning: From 3,000 to 6,000+ Requests Per Second

Why NGINX Performance Tuning Matters More Than Hardware Upgrades NGINX is trusted because it is fast, stable, lightweight, and highly flexible. It powers websites, APIs, reverse proxies, load balancers, application gateways, and high-traffic platforms across many industries. For many businesses, NGINX quietly sits at the front of critical digital services, handling traffic before it reaches […]

 Articles
25 May 2026 RediShell CVE-2025-49844: The 13-Year-Old Critical Vulnerability You Need to Patch Now

A Flaw That Was Always There, Hiding in Plain Sight There is something uniquely unsettling about a critical security vulnerability that has been sitting in a codebase for over a decade. It means that every deployment, every production environment, every cloud workload running Redis during those years was carrying a flaw that nobody knew was […]

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25 May 2026 The Kubernetes Complexity Crisis: Why 75% of Organizations Struggle with Day 2 Operations

Kubernetes Became Essential, Then It Became Hard to Manage Kubernetes has become one of the most important technologies in modern infrastructure. It gives businesses a powerful way to run containerized applications, scale services, manage workloads, and support cloud-native growth. For companies building digital products, SaaS platforms, internal applications, and data-driven systems, Kubernetes often feels like […]

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How To
27 Jan 2026 Apache ZooKeeper Docker Migration How To
5 Sep 2025 How to Deploy Hossted VM App on Oracle How To
8 May 2025 How to Deploy Hossted VM App on GCP How To
10 Jan 2025 How to configure a domain for Hossted VM application How To
22 Oct 2024 How to authorise through AWS Identity and Access Management (IAM) How To
17 Oct 2024 How to Deploy Hossted Kubernetes App on AWS How To
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Newsflash
15 Oct 2026 Data Management and Analytics
Apache Airflow: Credential exposure in Teradata provider

In Teradata provider component for Apache Airflow versions earlier than 3.7.0 a medium severity vulnerability CVE-2026-81862 was detected. This vulnerability allows an attacker to potentially expose sensitive cloud storage credentials. To address this issue, users should upgrade Teradata provider to version 3.7.0 or later. For more details, visit https://nvd.nist.gov/vuln/detail/CVE-2026-81862.

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15 Oct 2026 Data Management and Analytics
Apache Airflow: Query Injection in Google provider

In Google provider component for Apache Airflow versions prior to 22.6.0 a medium severity vulnerability CVE-2026-81914 was detected. This vulnerability allows an attacker to append arbitrary clauses to Google Drive search queries. To address this issue, users should upgrade Apache Airflow to version 22.6.0 or later. For more details, visit https://nvd.nist.gov/vuln/detail/CVE-2026-81914.

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15 Oct 2026 Data Management and Analytics
Apache Airflow: Improper Input Validation in Snowflake Provider

In Apache Airflow versions earlier than 6.18.0 a medium severity vulnerability CVE-2026-81930 was detected. This vulnerability allows an attacker to control the request host by providing a specially crafted account or region value. To address this issue, users should upgrade Apache Airflow to version 6.18.0 or later. For more details, visit https://nvd.nist.gov/vuln/detail/CVE-2026-81930.

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15 Oct 2026 Data Management and Analytics
Apache Airflow: SQL Injection in Teradata provider

In Teradata provider component for Apache Airflow versions prior to 3.7.0 a medium severity vulnerability CVE-2026-86843 was detected. This vulnerability allows a user to execute arbitrary SQL commands. To address this issue, users should upgrade the Teradata provider to version 3.7.0 or later. For more details, visit https://nvd.nist.gov/vuln/detail/CVE-2026-86843.

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15 Oct 2026 Infrastructure and Network
Ubuntu: Information Disclosure Vulnerability

In Ubuntu versions before 0.1.19ubuntu3 a medium severity vulnerability CVE-2026-102371 was detected. This vulnerability allows an unprivileged local user to read the Ubuntu Pro token from process command-line arguments. To address this issue, users should upgrade Ubuntu to the latest available version. For more details, visit https://nvd.nist.gov/vuln/detail/CVE-2026-102371.

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14 Oct 2026 DevOps
Kubernetes: Path Traversal Vulnerability in kubectl cp on Windows

In affected versions of Kubernetes a medium severity vulnerability CVE-2026-19444 was detected. This vulnerability allows an attacker to write files to arbitrary paths on the user’s machine. To address this issue, users should upgrade Kubernetes to the latest available version. For more details, visit https://nvd.nist.gov/vuln/detail/CVE-2026-19444.

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Case Studies
12 Oct 2026 Reducing JVM heap to stop Cassandra write timeouts caused by long GC pauses

Problem: Clients reported write queries failing with timeout errors against an Apache Cassandra DC despite all production nodes appearing UP. Application and database logs showed request failures with “Unexpected exception during request” and quorum-level write timeouts. System logs contained FailureDetector warnings about not marking nodes down due to large local pauses and MessagingService warnings about […]

 Knowledge BaseCase StudiesData Management and AnalyticsDatabase
5 Oct 2026 Intermittent PgBouncer login rejections caused by IPv6 localhost resolution

Problem: A production PostgreSQL 15.17 cluster managed by Patroni 3.3.2, with PgBouncer 1.25.1 in front of it, showed intermittent application failures during night operations. The application logged ODBC connection errors with SQLSTATE 08P01: “server login has been failing, cached error: connect failed (server_login_retry)”. The customer suspected PostgreSQL connection exhaustion. Metrics showed otherwise: max_connections was 4,000 […]

 Knowledge BaseData Management and AnalyticsDatabaseCase StudiesData Management and AnalyticsDatabase
1 Oct 2026 Recovering Cassandra nodes blocked by corrupted system_traces SSTables and oversized trace partitions

Problem: An on-prem Apache Cassandra 2.2.5 cluster had two of five nodes in its DR datacenter reporting DOWN in nodetool status, while the primary datacenter remained UP. The cluster had recently gone through a storage migration in which data was moved to larger disks by taking nodes offline and copying files. The failing nodes logged […]

 Knowledge BaseData Management and AnalyticsDatabaseCase Studies
25 Sep 2026 Removing manual DR rebuilds after primary-site failover for a Patroni PostgreSQL deployment

Problem: A two-site PostgreSQL 13.4 deployment managed by Patroni experienced replication breakage at the DR site after any failover inside the primary site. The DR standby leader’s primary_conninfo was hardcoded to the former primary node’s address, so when the primary role moved to the other primary-site node the standby kept attempting to connect to the […]

 Knowledge BaseData Management and AnalyticsDatabaseCase Studies
23 Sep 2026 Resolving intermittent ORA-01013 in Debezium Oracle Source connectors caused by LogMiner timeouts

Problem: Debezium Oracle source connectors were intermittently failing with ORA-01013 (“user requested cancel of current operation”) every few hours. Restarting the connector temporarily restored replication. Connector configuration attempts included custom log mining parameters and raising database.query.timeout.ms from the default 600000 ms to 1200000 ms; the Debezium docs warn that setting database.query.timeout.ms to 0 disables the […]

 Knowledge BaseCase Studies
18 Sep 2026 PostgreSQL WAL archive failures caused by incomplete copies and full filesystems

Problem: A production PostgreSQL 15 instance experienced a Severity‑1 outage after the filesystem containing WAL files reached 100% usage. The customer observed failed Commvault log-backup jobs and that WAL segments were not being archived: SHOW archive_command returned an external script invocation (/var/lib/pgsql/15/scripts/copy_wal.sh %p %f). The shipped copy script used a “test ! -f … && […]

 Knowledge BaseCase StudiesData Management and AnalyticsDatabase
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