A global index, by very definition, is a single index on the parent table that maps to many underlying table partitions. The parent table itself does not have a single, unified underlying store so it must, therefore, retrieve the data satisfying index constraints from physically distributed tables. In very crude terms, the global index […]
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We have been writing blog posts about how to write simple extensions in C language and a little more complex one by Ibrar which were well received by PostgreSQL user community. Then we observed that many PostgreSQL users create simple triggers for small auditing requirements, and then feel the pain of trigger on transactions. […]
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In a Linux world, whenever your database server crashes or gets terminated, you need to find its cause. There can be several reasons for this. It can be SIGSEGV, which is a crash due to some bug in the backend server, but this is the least likely reason. The most common reason is running […]
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PostgreSQL is one of the finest object-relational databases, and its architecture is process-based instead of thread-based. While almost all the current database systems utilize threads for parallelism, PostgreSQL’s process-based architecture was implemented prior to POSIX threads. PostgreSQL launches a process “postmaster” on startup, and after that spans new process whenever a new client connects […]
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I want to thank everybody who attended my session “Deep Dive in PostgreSQL Indexes” in Austin. It was quite a wonderful experience! To cover a bigger audience, I also did a webinar on the same topic. There were many questions in that webinar, but unfortunately, there was not enough time to cover each and […]
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