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b5a593a Jun 22, 2017
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Installing pgloader

pgloader version 3.x is written in Common Lisp.

Dependencies

The steps depend on the OS you are currently using.

debian

If you're using debian, it's quite simple actually, see the file bootstrap-debian.sh within the main pgloader distribution to get yourself started.

You will note in particular:

sudo apt-get install -y sbcl                                  \
                        git curl patch unzip                  \
                        devscripts pandoc                     \
                        libsqlite3-dev                        \
                        freetds-dev

We need a recent enough SBCL version and that means backporting the one found in sid rather than using the very old one found in current stable debian release. See bootstrap-debian.sh for details about how to backport a recent enough SBCL here (1.2.5 or newer).

Redhat / CentOS

You will need to install the Steel Bank Common Lisp package (sbcl) from EPEL, as well as the freetds-devel package for some shared libraries. With RHEL/CentOS 6, if the packaged version isn't >=1.3.6, you'll need to build it from source. With v7, after installing freetds, you also need to create a softlink from the versioned shared library libsybdb.so.5 to libsybdb.so.

The above steps are prepared for you with boostrap-centos.sh and bootstrap-centos7.sh respectively. Please report to us if your standard RHEL/CentOS installation required additional steps.

Mac OS X

We suppose you already have git and make available, if that's not the case now is the time to install those tools. The SQLite lib that comes in MacOSX is fine, no need for extra software here.

You will need to install either SBCL or CCL separately, and when using brew it's as simple as:

brew install sbcl
brew install clozure-cl

NOTE: Make sure you installed the universal binaries of Freetds, so that they can be loaded correctly.

brew install freetds --universal --build-from-source

Compiling SBCL by yourself

If you ended up building SBCL yourself or you just want to do that, you can download the source from http://www.sbcl.org/ .

You will need to build SBCL with the following command and options:

sh make.sh --with-sb-core-compression --with-sb-thread

NOTE: You could also remove the --compress-core option.

Building pgloader

Now that the dependences are installed, just type make.

make

If your SBCL supports core compression, the make process will use it to generate a smaller binary. To force disabling core compression, you may use:

make COMPRESS_CORE=no

Then you will have a new tool to play with:

./build/bin/pgloader --help

This command should spit out the usage information on which parameters are accepted in the command line actually.

Building pgloader with CCL

It's possible to pick ccl rather than SBCL when compiling pgloader:

make CL=ccl

Building pgloader for use in low RAM environments

It's possible to tweak the size of RAM pgloader will use in its binary image, at compile time. This defaults to 4 GB.

make DYNSIZE=1024

Now the ./build/bin/pgloader that you get only uses 1GB.

Building a docker image

A Dockerfile is provided, to use it:

docker build -t pgloader:debian .
docker run --rm --name pgloader pgloader:debian bash -c "pgloader --version"

The build step install build dependencies in a debian jessie container, then git clone and build pgloader in /opt/src/pgloader and finally copy the resulting binary image in /usr/local/bin/pgloader so that it's easily available.