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e74a812850
Don't panic, but return an error to the caller, all the way up to the processing node instance that did the GetPage@LSN call.
63 lines
1.8 KiB
Bash
Executable File
63 lines
1.8 KiB
Bash
Executable File
#!/bin/sh
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#
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# Set up a simple Compute Node + Page Server combination locally.
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#
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# NOTE: This doesn't clean up between invocations. You'll need to manually:
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#
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# - Kill any previous 'postgres' and 'pageserver' processes
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# - Clear the S3 bucket
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# - Remove the 'zenith-pgdata' directory
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set -e
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# Set up some config.
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#
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# CHANGE THESE ACCORDING TO YOUR S3 INSTALLATION
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export S3_REGION=auto
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export S3_ENDPOINT=https://localhost:9000
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export S3_ACCESSKEY=minioadmin
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export S3_SECRET=pikkunen
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export S3_BUCKET=zenith-testbucket
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COMPUTE_NODE_PGDATA=zenith-pgdata
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# 1. Initialize a cluster.
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initdb -D $COMPUTE_NODE_PGDATA -U zenith
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echo "port=65432" >> $COMPUTE_NODE_PGDATA/postgresql.conf
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echo "log_connections=on" >> $COMPUTE_NODE_PGDATA/postgresql.conf
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# Use a small shared_buffers, so that we hit the Page Server more
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# easily.
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echo "shared_buffers = 1MB" >> $COMPUTE_NODE_PGDATA/postgresql.conf
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# TODO: page server should use a replication slot, or some other mechanism
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# to make sure that the primary doesn't lose data that the page server still
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# needs. (The WAL safekeepers should ensure that)
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echo "wal_keep_size=10GB" >> $COMPUTE_NODE_PGDATA/postgresql.conf
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# Tell the Postgres server how to connect to the Page Server
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echo "page_server_connstring='host=localhost port=5430'" >> $COMPUTE_NODE_PGDATA/postgresql.conf
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# 2. Run zenith_push to push a base backup fo the database to an S3 bucket. The
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# Page Server will read it from there
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zenith_push -D $COMPUTE_NODE_PGDATA
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# 3. Launch page server
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rm -rf /tmp/pgdata-dummy
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initdb -N -D /tmp/pgdata-dummy
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PGDATA=/tmp/pgdata-dummy ./target/debug/pageserver &
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# 4. Start up the Postgres server
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postgres -D $COMPUTE_NODE_PGDATA &
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echo "ALL SET! You can now connect to Postgres with something like:"
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echo ""
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echo 'psql "dbname=postgres host=localhost user=zenith port=65432"'
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