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HCL OneDB V1.0.0.1
Getting Started
Installing
Administering
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Client APIs and tools
SQL programming
JSON compatibility
Extending
HCL OneDB™
Designing databases
Embedding
HCL OneDB™
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Administering
In addition to administering the database server, you can tune performance, replicate data, and archive data.
System administration
These topics contain concepts, procedures, and reference information for database and database server administrators to use for managing and tuning
HCL OneDB™
database servers.
Performance Guide
The
HCL OneDB™ Performance Guide
describes how to configure and operate your
HCL OneDB™
database server to improve overall system throughput and to improve the performance of SQL queries.
Performance monitoring and the tools you use
You can use performance monitoring tools to create a performance history, to monitor database resources at scheduled times, or to monitor ongoing transaction or query performance.
Monitor transactions
You can use the
onlog
and
onstat
utilities to monitor transactions.
Administering
In addition to administering the database server, you can tune performance, replicate data, and archive data.
System administration
These topics contain concepts, procedures, and reference information for database and database server administrators to use for managing and tuning
HCL OneDB™
database servers.
Administrator's Guide
The
HCL OneDB™ Administrator's Guide
provides the information required to administer
HCL OneDB™
.
Administrator's Reference
The
HCL OneDB™ Administrator's Reference
includes comprehensive descriptions of
HCL OneDB™
configuration parameters, the system-monitoring interface (SMI) tables in the sysmaster database, the syntax of database server utilities such as
onmode
and
onstat
, logical-log records, disk structures, event alarms, and unnumbered error messages.
DB-Access User's Guide
This publication describes how to use the utility to access, modify, and retrieve information from
HCL® OneDB®
database servers.
Performance Guide
The
HCL OneDB™ Performance Guide
describes how to configure and operate your
HCL OneDB™
database server to improve overall system throughput and to improve the performance of SQL queries.
Performance basics
Performance measurement and tuning issues and methods are relevant to daily database server administration and query execution.
Performance monitoring and the tools you use
You can use performance monitoring tools to create a performance history, to monitor database resources at scheduled times, or to monitor ongoing transaction or query performance.
Evaluate the current configuration
Before you begin to adjust the configuration of your database server, evaluate the performance of your current configuration. You can view the contents of your configuration file with
onstat
commands.
Create a performance history
As soon as you set up your database server and begin to run applications on it, you should begin scheduled monitoring of resource use. As you accumulate data, you can analyze performance information.
Monitor database server resources
Monitor specific database server resources to identify performance bottlenecks and potential trouble spots and to improve resource use and response time.
Monitor transactions
You can use the
onlog
and
onstat
utilities to monitor transactions.
Using the onlog utility to monitor transactions
The
onlog
utility displays all or selected portions of the logical log. This utility can help you identify a problematic transaction or gauge transaction activity that corresponds to a period of high utilization, as indicated by your periodic snapshots of database activity and system-resource consumption.
Using the onstat utility to monitor transactions
If the throughput of transactions is not very high, you can use some
onstat
utility commands to identify a transaction that might be a bottleneck.
Monitor sessions and queries
Monitoring sessions and threads is important for sessions that perform queries as well as sessions that perform inserts, updates, and deletes. Some of the information that you can monitor for sessions and threads allows you to determine if an application is using a disproportionate amount of the resources.
OneDB Explore
OneDB Explore
is a modern web console for visualizing, monitoring, and managing your Informix server instances. It is purpose built for ease-of-use, scaling out, and optimizing DevOps needs. It provides critical performance management capabilities, monitoring how key performance metrics are changing over time and tracking how efficiently OneDB is running your workload even when you’ve stepped away from your screen. Its monitoring system feeds directly into a customizable alerting system so you can be immediately alerted via email, Twilio, or PagerDuty whenever an issue occurs on one of your Informix database server instances. OneDB Explore is designed to be scalable to efficiently manage and monitor as many Informix database server instances as you need. Moreover, it's a tool that can be shared by the DBAs, the app developers, the ops engineers, and management and accessed from any desktop, laptop, or mobile device. OneDB Explore is the centralized hub for graphical monitoring, alerting, and administration of your Informix database servers.
Backup and Restore Guide
The
HCL OneDB™ Backup and Restore Guide
describes how to use the
HCL® OneDB®
and
ontape
utilities to back up and restore database server data.
These utilities enable you to recover your databases after data is lost or becomes corrupted due to hardware or software failure or accident.
Enterprise Replication
The describes the concepts of data replication using
HCL® OneDB® Enterprise Replication
, including how to design your replication system, as well as administer and manage data replication throughout your enterprise.
Monitor transactions
You can use the
onlog
and
onstat
utilities to monitor transactions.
Using the onlog utility to monitor transactions
The
onlog
utility displays all or selected portions of the logical log. This utility can help you identify a problematic transaction or gauge transaction activity that corresponds to a period of high utilization, as indicated by your periodic snapshots of database activity and system-resource consumption.
Using the onstat utility to monitor transactions
If the throughput of transactions is not very high, you can use some
onstat
utility commands to identify a transaction that might be a bottleneck.
Related information
Evaluate the current configuration
Create a performance history
Monitor database server resources
Monitor sessions and queries