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53f438a8a8
We use the term "endpoint" in for compute Postgres nodes in the web UI
and user-facing documentation now. Adjust the nomenclature in the code.
This changes the name of the "neon_local pg" command to "neon_local
endpoint". Also adjust names of classes, variables etc. in the python
tests accordingly.
This also changes the directory structure so that endpoints are now
stored in:
.neon/endpoints/<endpoint id>
instead of:
.neon/pgdatadirs/tenants/<tenant_id>/<endpoint (node) name>
The tenant ID is no longer part of the path. That means that you
cannot have two endpoints with the same name/ID in two different
tenants anymore. That's consistent with how we treat endpoints in the
real control plane and proxy: the endpoint ID must be globally unique.
61 lines
2.2 KiB
Python
61 lines
2.2 KiB
Python
import time
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from contextlib import closing
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from fixtures.log_helper import log
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from fixtures.neon_fixtures import NeonEnvBuilder
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#
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# Test pageserver recovery after crash
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#
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def test_pageserver_recovery(neon_env_builder: NeonEnvBuilder):
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# Override default checkpointer settings to run it more often
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neon_env_builder.pageserver_config_override = "tenant_config={checkpoint_distance = 1048576}"
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env = neon_env_builder.init_start()
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env.pageserver.is_testing_enabled_or_skip()
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# These warnings are expected, when the pageserver is restarted abruptly
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env.pageserver.allowed_errors.append(".*found future delta layer.*")
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env.pageserver.allowed_errors.append(".*found future image layer.*")
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# Create a branch for us
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env.neon_cli.create_branch("test_pageserver_recovery", "main")
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endpoint = env.endpoints.create_start("test_pageserver_recovery")
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log.info("postgres is running on 'test_pageserver_recovery' branch")
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with closing(endpoint.connect()) as conn:
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with conn.cursor() as cur:
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with env.pageserver.http_client() as pageserver_http:
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# Create and initialize test table
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cur.execute("CREATE TABLE foo(x bigint)")
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cur.execute("INSERT INTO foo VALUES (generate_series(1,100000))")
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# Sleep for some time to let checkpoint create image layers
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time.sleep(2)
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# Configure failpoints
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pageserver_http.configure_failpoints(
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[
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("flush-frozen-before-sync", "sleep(2000)"),
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("checkpoint-after-sync", "exit"),
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]
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)
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# Do some updates until pageserver is crashed
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try:
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while True:
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cur.execute("update foo set x=x+1")
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except Exception as err:
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log.info(f"Expected server crash {err}")
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log.info("Wait before server restart")
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env.pageserver.stop()
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env.pageserver.start()
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with closing(endpoint.connect()) as conn:
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with conn.cursor() as cur:
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cur.execute("select count(*) from foo")
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assert cur.fetchone() == (100000,)
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