Manticore Search 2.7.2 GA release

We are pleased to announce the release of Manticore Search 2.7.2 GA.

Prebuilt packages available for Debian,Ubuntu, Red Hat/CentOS, Windows and OSX can be downloaded from here. For Docker image check official repository.


Manticore Search is now compatible with MySQL 8.x clients.

TRUNCATE command receive optional WITH RECONFIGURE which allows truncate and reconfigure of a RT index in a single command.

VIP connections for HTTP protocol using 'http_vip' suffix in listen directive.

SHOW AGENT STATUS receive new statistics: _ping, _has_perspool, _need_resolve.

Indexer --verbose option allows optional [debug|debugv|debugvv] for printing debug messages (like searchd counterpart).

Some improvements for I/O completion ports on Windows platform.

DEBUG command which allows running specific subcommands. The number of subcommands is limited, but it will be expanded in future. On VIP connections, more privileged subcommands can be executed, like daemon shutdown.

'shutdown_token'  searchd direction -  a SHA1 hash of the password required to invoke 'shutdown' subcommand using DEBUG command.

Agents are now stored in a global hash of multi-agents rather than per index. This allows, first, to avoid disturbing global hash of hosts, and also keep inter-hosts statistic used for HA uniform.


A number of  bugs have been fixed in this release. Several fixes are related to agent communication, most critical being an issue where closed connections could remain orphan, leading to crashes.

An important memory leak on JSON filtering was fixed. In addition, a number of potential memory leaks  were fixed. Starting with this version, we will perform  valgrind checks for memory leaks detection during the testing period of each release.

For a full report please consult the Release note.

Given the high number of stability fixes we strongly recommend upgrading to this version, regardless if you are using 2.7.x or older Sphinx/Manticore versions.

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Free config review

There are often optimizations that can be made to a Sphinx / Manticore setup by changing some simple directives in the configuration or making quick changes to an index definition.

Some common mistakes and issues can include:

  • doing main+delta without kill-lists, even if the delta does include updated records found in the main
  • using wildcarding with very short prefix/infix which can hammer performance in some cases
  • disabled (unintentional) seamless rotates and getting stalls on index rotations
  • adding texts as string attributes even if they are not using for any kind of operation (filtering, grouping, sorting) or mandatory to be present in results
  • using deprecated settings 

Having a quick look on the configuration can show issues or potential issues, this is why we want to offer a gift to our growing community!

When uploading your configuration file, we recommend to remove any database credentials first.

We suggest also you give as many possible details about your setup: how big is the data you have, how typical queries look and what issues you experience.

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