mirror of https://github.com/apache/druid.git
Fix broken links in docs, add broken link checker. (#7658)
Also adds back insert-segment-to-db.md with some docs about why and when it was removed (in #6911).
This commit is contained in:
Gian Merlino
Fangjin Yang
parent
917106985f
commit
0352f450d7
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@ -0,0 +1,101 @@
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#!/usr/bin/env python3
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import json
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import os
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import re
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import sys
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#
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# Checks for broken redirects (in _redirects.json) and links from markdown files to
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# nonexistent pages. Does _not_ check for links to anchors that don't exist.
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#
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# Targets to these 'well known' pages are OK.
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WELL_KNOWN_PAGES = ["/libraries.html", "/downloads.html", "/community/", "/thanks.html"]
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def normalize_link(source, target):
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dirname = os.path.dirname(source)
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normalized = os.path.normpath(os.path.join(dirname, target))
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return normalized
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def verify_redirects(docs_directory, redirect_json):
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ok = True
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with open(redirect_json, 'r') as f:
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redirects = json.loads(f.read())
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for redirect in redirects:
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if redirect["target"] in WELL_KNOWN_PAGES:
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continue
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# Replace .html and named anchors with .md, and check the file on the filesystem.
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target = re.sub(r'\.html(#.*)?$', '.md', normalize_link(redirect["source"], redirect["target"]))
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if not os.path.exists(os.path.join(docs_directory, target)):
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sys.stderr.write('Redirect [' + redirect["source"] + '] target does not exist: ' + redirect["target"] + "\n")
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ok = False
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return ok
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def verify_markdown(docs_directory):
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ok = True
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# Get list of markdown files.
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markdowns = []
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for root, dirs, files in os.walk(docs_directory):
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for name in files:
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if name.endswith('.md'):
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markdowns.append(os.path.join(root, name))
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for markdown_file in markdowns:
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with open(markdown_file, 'r') as f:
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content = f.read()
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for m in re.finditer(r'\[([^\[]*?)\]\((.*?)(?: \"[^\"]+\")?\)', content):
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target = m.group(2)
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if target in WELL_KNOWN_PAGES:
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continue
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if markdown_file.endswith("/druid-kerberos.md") and target in ['regexp', 'druid@EXAMPLE.COM']:
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# Hack to support the fact that rule examples in druid-kerberos docs look sort of like markdown links.
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continue
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target = re.sub(r'^/docs/VERSION/', '', target)
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target = re.sub(r'#.*$', '', target)
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target = re.sub(r'\.html$', '.md', target)
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target = re.sub(r'/$', '/index.md', target)
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if target and not (target.startswith('http://') or target.startswith('https://')):
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target_normalized = normalize_link(markdown_file, target)
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if not os.path.exists(target_normalized):
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sys.stderr.write('Page [' + markdown_file + '] target does not exist: ' + m.group(2) + "\n")
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ok = False
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return ok
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def main():
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if len(sys.argv) != 3:
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sys.stderr.write('usage: program <docs dir> <redirect.json>\n')
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sys.exit(1)
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ok = verify_redirects(sys.argv[1], sys.argv[2])
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ok = verify_markdown(sys.argv[1]) and ok
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if not ok:
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sys.exit(1)
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main()
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@ -88,6 +88,9 @@ remote=$(git -C "$druid" config --local --get "remote.$origin.url")
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git clone -q --depth 1 --branch $branch $remote "$src"
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if [ -n "$opt_docs" ] ; then
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# Check for broken links
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"$src/docs/_bin/broken-link-check.py" "$src/docs/content" "$src/docs/_redirects.json"
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# Copy docs
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mkdir -p $target/docs/$version
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rsync -a --delete "$src/docs/content/" $target/docs/$version
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@ -17,7 +17,7 @@
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{"source": "DataSourceMetadataQuery.html", "target": "querying/datasourcemetadataquery.html"},
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{"source": "Data_formats.html", "target": "ingestion/data-formats.html"},
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{"source": "Deep-Storage.html", "target": "dependencies/deep-storage.html"},
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{"source": "Design.html", "target": "design/design.html"},
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{"source": "Design.html", "target": "design/index.html"},
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{"source": "DimensionSpecs.html", "target": "querying/dimensionspecs.html"},
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{"source": "Druid-vs-Cassandra.html", "target": "comparisons/druid-vs-key-value.html"},
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{"source": "Druid-vs-Elasticsearch.html", "target": "comparisons/druid-vs-elasticsearch.html"},
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@ -27,13 +27,13 @@
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{"source": "Druid-vs-Spark.html", "target": "comparisons/druid-vs-spark.html"},
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{"source": "Druid-vs-Vertica.html", "target": "comparisons/druid-vs-redshift.html"},
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{"source": "Evaluate.html", "target": "tutorials/cluster.html"},
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{"source": "Examples.html", "target": "tutorials/quickstart.html"},
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{"source": "Examples.html", "target": "tutorials/index.html"},
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{"source": "Filters.html", "target": "querying/filters.html"},
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{"source": "Firehose.html", "target": "ingestion/firehose.html"},
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{"source": "GeographicQueries.html", "target": "development/geo.html"},
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{"source": "Granularities.html", "target": "querying/granularities.html"},
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{"source": "GroupByQuery.html", "target": "querying/groupbyquery.html"},
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{"source": "Hadoop-Configuration.html", "target": "configuration/hadoop.html"},
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{"source": "Hadoop-Configuration.html", "target": "ingestion/hadoop.html"},
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{"source": "Having.html", "target": "querying/having.html"},
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{"source": "Historical-Config.html", "target": "configuration/index.html#historical"},
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{"source": "Historical.html", "target": "design/historical.html"},
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@ -41,7 +41,7 @@
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{"source": "Indexing-Service-Config.html", "target": "configuration/index.html#overlord"},
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{"source": "Indexing-Service.html", "target": "design/indexing-service.html"},
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{"source": "Ingestion-FAQ.html", "target": "ingestion/faq.html"},
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{"source": "Ingestion-overview.html", "target": "tutorials/ingestion.html"},
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{"source": "Ingestion-overview.html", "target": "tutorials/index.html"},
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{"source": "Ingestion.html", "target": "ingestion/index.html"},
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{"source": "Integrating-Druid-With-Other-Technologies.html", "target": "development/integrating-druid-with-other-technologies.html"},
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{"source": "Libraries.html", "target": "/libraries.html"},
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@ -77,10 +77,10 @@
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{"source": "TimeseriesQuery.html", "target": "querying/timeseriesquery.html"},
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{"source": "TopNMetricSpec.html", "target": "querying/topnmetricspec.html"},
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{"source": "TopNQuery.html", "target": "querying/topnquery.html"},
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{"source": "Tutorial:-A-First-Look-at-Druid.html", "target": "tutorials/quickstart.html"},
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{"source": "Tutorial:-All-About-Queries.html", "target": "tutorials/quickstart.html"},
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{"source": "Tutorial:-A-First-Look-at-Druid.html", "target": "tutorials/index.html"},
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{"source": "Tutorial:-All-About-Queries.html", "target": "tutorials/index.html"},
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{"source": "Tutorial:-Loading-Batch-Data.html", "target": "tutorials/tutorial-batch.html"},
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{"source": "Tutorial:-Loading-Streaming-Data.html", "target": "tutorials/tutorial-streams.html"},
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{"source": "Tutorial:-Loading-Streaming-Data.html", "target": "tutorials/tutorial-kafka.html"},
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{"source": "Tutorial:-The-Druid-Cluster.html", "target": "tutorials/cluster.html"},
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{"source": "Tutorials.html", "target": "tutorials/index.html"},
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{"source": "Versioning.html", "target": "development/versioning.html"},
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@ -90,7 +90,7 @@
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{"source": "comparisons/druid-vs-hadoop.html", "target": "druid-vs-sql-on-hadoop.html"},
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{"source": "comparisons/druid-vs-impala-or-shark.html", "target": "druid-vs-sql-on-hadoop.html"},
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{"source": "comparisons/druid-vs-vertica.html", "target": "druid-vs-redshift.html"},
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{"source": "configuration/auth.html", "target": "design/auth.html"},
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{"source": "configuration/auth.html", "target": "../design/auth.html"},
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{"source": "configuration/broker.html", "target": "../configuration/index.html#broker"},
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{"source": "configuration/caching.html", "target": "../configuration/index.html#cache-configuration"},
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{"source": "configuration/coordinator.html", "target": "../configuration/index.html#coordinator"},
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@ -120,9 +120,9 @@
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{"source": "tutorials/tutorial-a-first-look-at-druid.html", "target": "index.html"},
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{"source": "tutorials/tutorial-all-about-queries.html", "target": "index.html"},
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{"source": "tutorials/tutorial-loading-batch-data.html", "target": "tutorial-batch.html"},
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{"source": "tutorials/tutorial-loading-streaming-data.html", "target": "tutorial-streams.html"},
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{"source": "tutorials/tutorial-loading-streaming-data.html", "target": "tutorial-kafka.html"},
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{"source": "tutorials/tutorial-the-druid-cluster.html", "target": "cluster.html"},
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{"source": "development/extensions-core/caffeine-cache.html", "target":"../../configuration/caching.html"},
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{"source": "development/extensions-core/caffeine-cache.html", "target":"../../configuration/index.html#cache-configuration"},
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{"source": "Production-Cluster-Configuration.html", "target": "tutorials/cluster.html"},
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{"source": "development/extensions-contrib/parquet.html", "target":"../../development/extensions-core/parquet.html"},
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{"source": "development/extensions-contrib/scan-query.html", "target":"../../querying/scan-query.html"},
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@ -130,10 +130,10 @@
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{"source": "tutorials/ingestion-streams.html", "target": "index.html"},
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{"source": "ingestion/native-batch.html", "target": "native_tasks.html"},
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{"source": "Compute.html", "target": "design/processes.html"},
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{"source": "Contribute.html", "target": "../../community/index.html"},
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{"source": "Download.html", "target": "../../downloads.html"},
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{"source": "Contribute.html", "target": "/community/"},
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{"source": "Download.html", "target": "/downloads.html"},
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{"source": "Druid-Personal-Demo-Cluster.html", "target": "tutorials/index.html"},
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{"source": "Home.html", "target": "index.html"},
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{"source": "Home.html", "target": "design/index.html"},
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{"source": "Loading-Your-Data.html", "target": "ingestion/index.html"},
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{"source": "Master.html", "target": "design/processes.html"},
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{"source": "MySQL.html", "target": "development/extensions-core/mysql.html"},
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@ -141,29 +141,28 @@
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{"source": "Querying-your-data.html", "target": "querying/querying.html"},
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{"source": "Spatial-Filters.html", "target": "development/geo.html"},
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{"source": "Spatial-Indexing.html", "target": "development/geo.html"},
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{"source": "Stand-Alone-With-Riak-CS.html", "target": "index.html"},
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{"source": "Support.html", "target": "../../community/index.html"},
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{"source": "Stand-Alone-With-Riak-CS.html", "target": "design/index.html"},
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{"source": "Support.html", "target": "/community/"},
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{"source": "Tutorial:-Webstream.html", "target": "tutorials/index.html"},
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{"source": "Twitter-Tutorial.html", "target": "tutorials/index.html"},
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{"source": "Tutorial:-Loading-Your-Data-Part-1.html", "target": "tutorials/index.html"},
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{"source": "Tutorial:-Loading-Your-Data-Part-2.html", "target": "tutorials/index.html"},
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{"source": "Kafka-Eight.html", "target": "development/extensions-core/kafka-eight-firehose.html"},
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{"source": "Thanks.html", "target": "../../community/index.html"},
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{"source": "Thanks.html", "target": "/community/"},
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{"source": "Tutorial-A-First-Look-at-Druid.html", "target": "tutorials/index.html"},
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{"source": "Tutorial-All-About-Queries.html", "target": "tutorials/index.html"},
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{"source": "Tutorial-Loading-Batch-Data.html", "target": "tutorials/index.html"},
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{"source": "Tutorial-Loading-Streaming-Data.html", "target": "tutorials/index.html"},
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{"source": "Tutorial-The-Druid-Cluster.html", "target": "tutorials/index.html"},
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{"source": "configuration/hadoop.html", "target": "ingestion/hadoop.html"},
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{"source": "configuration/production-cluster.html", "target": "tutorials/cluster.html"},
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{"source": "configuration/zookeeper.html", "target": "dependencies/zookeeper.html"},
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{"source": "querying/optimizations.html", "target": "dependencies/cluster.html"},
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{"source": "configuration/hadoop.html", "target": "../ingestion/hadoop.html"},
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{"source": "configuration/production-cluster.html", "target": "../tutorials/cluster.html"},
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{"source": "configuration/zookeeper.html", "target": "../dependencies/zookeeper.html"},
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{"source": "querying/optimizations.html", "target": "multi-value-dimensions.html"},
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{"source": "development/community-extensions/azure.html", "target": "../extensions-contrib/azure.html"},
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{"source": "development/community-extensions/cassandra.html", "target": "../extensions-contrib/cassandra.html"},
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{"source": "development/community-extensions/cloudfiles.html", "target": "../extensions-contrib/cloudfiles.html"},
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{"source": "development/community-extensions/graphite.html", "target": "../extensions-contrib/graphite.html"},
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{"source": "development/community-extensions/kafka-simple.html", "target": "../extensions-contrib/kafka-simple.html"},
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{"source": "development/community-extensions/rabbitmq.html", "target": "../extensions-contrib/rabbitmq.html"},
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{"source": "development/extensions-core/namespaced-lookup.html", "target": "lookups-cached-global.html"},
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{"source": "operations/insert-segment-to-db.html", "target": "../index.html"}
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{"source": "development/extensions-core/namespaced-lookup.html", "target": "lookups-cached-global.html"}
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]
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@ -95,4 +95,4 @@ You can optionally configure caching to be enabled on the realtime process by se
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|`druid.realtime.cache.unCacheable`|All druid query types|All query types to not cache.|`["select"]`|
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|`druid.realtime.cache.maxEntrySize`|positive integer or -1|Maximum size of an individual cache entry (processed results for one segment), in bytes, or -1 for unlimited.|`1000000` (1MB)|
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See [cache configuration](caching.html) for how to configure cache settings.
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See [cache configuration](index.html#cache-configuration) for how to configure cache settings.
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@ -44,7 +44,7 @@ Core extensions are maintained by Druid committers.
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|druid-avro-extensions|Support for data in Apache Avro data format.|[link](../development/extensions-core/avro.html)|
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|druid-basic-security|Support for Basic HTTP authentication and role-based access control.|[link](../development/extensions-core/druid-basic-security.html)|
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|druid-bloom-filter|Support for providing Bloom filters in druid queries.|[link](../development/extensions-core/bloom-filter.html)|
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|druid-caffeine-cache|A local cache implementation backed by Caffeine.|[link](../development/extensions-core/caffeine-cache.html)|
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|druid-caffeine-cache|A local cache implementation backed by Caffeine.|[link](../configuration/index.html#cache-configuration)|
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|druid-datasketches|Support for approximate counts and set operations with [DataSketches](http://datasketches.github.io/).|[link](../development/extensions-core/datasketches-extension.html)|
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|druid-hdfs-storage|HDFS deep storage.|[link](../development/extensions-core/hdfs.html)|
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|druid-histogram|Approximate histograms and quantiles aggregator. Deprecated, please use the [DataSketches quantiles aggregator](../development/extensions-core/datasketches-quantiles.html) from the `druid-datasketches` extension instead.|[link](../development/extensions-core/approximate-histograms.html)|
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@ -73,4 +73,4 @@ At some point in the future, we will likely move the internal UI code out of cor
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## Client Libraries
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We welcome contributions for new client libraries to interact with Druid. See client
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[libraries](../development/libraries.html) for existing client libraries.
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[libraries](/libraries.html) for existing client libraries.
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|
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@ -41,7 +41,7 @@ Below is a description of the high-level features and functionality of the Druid
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## Home
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The home view provide a high level overview of the cluster. Each card is clickable and links to the appropriate view. The legacy menu allows you to go to the [legacy coordinator and overlord consoles](./management-uis#legacy-consoles) should you need them.
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The home view provide a high level overview of the cluster. Each card is clickable and links to the appropriate view. The legacy menu allows you to go to the [legacy coordinator and overlord consoles](./management-uis.html#legacy-consoles) should you need them.
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|
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|
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|
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@ -0,0 +1,49 @@
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---
|
||||
layout: doc_page
|
||||
title: "insert-segment-to-db Tool"
|
||||
---
|
||||
|
||||
<!--
|
||||
~ Licensed to the Apache Software Foundation (ASF) under one
|
||||
~ or more contributor license agreements. See the NOTICE file
|
||||
~ distributed with this work for additional information
|
||||
~ regarding copyright ownership. The ASF licenses this file
|
||||
~ to you under the Apache License, Version 2.0 (the
|
||||
~ "License"); you may not use this file except in compliance
|
||||
~ with the License. You may obtain a copy of the License at
|
||||
~
|
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~ http://www.apache.org/licenses/LICENSE-2.0
|
||||
~
|
||||
~ Unless required by applicable law or agreed to in writing,
|
||||
~ software distributed under the License is distributed on an
|
||||
~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
||||
~ KIND, either express or implied. See the License for the
|
||||
~ specific language governing permissions and limitations
|
||||
~ under the License.
|
||||
-->
|
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|
||||
# insert-segment-to-db Tool
|
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|
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In older versions of Apache Druid (incubating), `insert-segment-to-db` was a tool that could scan deep storage and
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insert data from there into Druid metadata storage. It was intended to be used to update the segment table in the
|
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metadata storage after manually migrating segments from one place to another, or even to recover lost metadata storage
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by telling it where the segments are stored.
|
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|
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In Druid 0.14.x and earlier, Druid wrote segment metadata to two places: the metadata store's `druid_segments` table, and
|
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`descriptor.json` files in deep storage. This practice was stopped in Druid 0.15.0 as part of
|
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[consolidated metadata management](https://github.com/apache/druid/issues/6849), for the following reasons:
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1. If any segments are manually dropped or re-enabled by cluster operators, this information is not reflected in
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deep storage. Restoring metadata from deep storage would undo any such drops or re-enables.
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2. Ingestion methods that allocate segments optimistically (such as native Kafka or Kinesis stream ingestion, or native
|
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batch ingestion in 'append' mode) can write segments to deep storage that are not meant to actually be used by the
|
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Druid cluster. There is no way, while purely looking at deep storage, to differentiate the segments that made it into
|
||||
the metadata store originally (and therefore _should_ be used) from the segments that did not (and therefore
|
||||
_should not_ be used).
|
||||
3. Nothing in Druid other than the `insert-segment-to-db` tool read the `descriptor.json` files.
|
||||
|
||||
After this change, Druid stopped writing `descriptor.json` files to deep storage, and now only writes segment metadata
|
||||
to the metadata store. This meant the `insert-segment-to-db` tool is no longer useful, so it was removed in Druid 0.15.0.
|
||||
|
||||
It is highly recommended that you take regular backups of your metadata store, since it is difficult to recover Druid
|
||||
clusters properly without it.
|
||||
|
|
@ -298,7 +298,7 @@ Please note that `hyperUnique` aggregators are not mutually compatible with Data
|
|||
Note the DataSketches Theta and HLL aggregators currently only support single-column inputs. If you were previously using the Cardinality aggregator with multiple-column inputs, equivalent operations using Theta or HLL sketches are described below:
|
||||
|
||||
* Multi-column `byValue` Cardinality can be replaced with a union of Theta sketches on the individual input columns
|
||||
* Multi-column `byRow` Cardinality can be replaced with a Theta or HLL sketch on a single [virtual column]((../querying/virtual-columns.html) that combines the individual input columns.
|
||||
* Multi-column `byRow` Cardinality can be replaced with a Theta or HLL sketch on a single [virtual column](../querying/virtual-columns.html) that combines the individual input columns.
|
||||
|
||||
### Histograms and quantiles
|
||||
|
||||
|
|
@ -318,7 +318,7 @@ As a general guideline for experimentation, the [Moments Sketch paper](https://a
|
|||
|
||||
#### Fixed Buckets Histogram
|
||||
|
||||
Druid also provides a [simple histogram implementation]((../development/extensions-core/approxiate-histograms.html#fixed-buckets-histogram) that uses a fixed range and fixed number of buckets with support for quantile estimation, backed by an array of bucket count values.
|
||||
Druid also provides a [simple histogram implementation](../development/extensions-core/approximate-histograms.html#fixed-buckets-histogram) that uses a fixed range and fixed number of buckets with support for quantile estimation, backed by an array of bucket count values.
|
||||
|
||||
The fixed buckets histogram can perform well when the distribution of the input data allows a small number of buckets to be used.
|
||||
|
||||
|
|
|
|||
|
|
@ -57,7 +57,7 @@ If your multitenant cluster uses shared datasources, most of your queries will l
|
|||
dimension. These sorts of queries perform best when data is well-partitioned by tenant. There are a few ways to
|
||||
accomplish this.
|
||||
|
||||
With batch indexing, you can use [single-dimension partitioning](../indexing/batch-ingestion.html#single-dimension-partitioning)
|
||||
With batch indexing, you can use [single-dimension partitioning](../ingestion/hadoop.html#single-dimension-partitioning)
|
||||
to partition your data by tenant_id. Druid always partitions by time first, but the secondary partition within each
|
||||
time bucket will be on tenant_id.
|
||||
|
||||
|
|
|
|||
|
|
@ -37,7 +37,7 @@ curl -X POST '<queryable_host>:<port>/druid/v2/?pretty' -H 'Content-Type:applica
|
|||
```
|
||||
|
||||
Druid's native query language is JSON over HTTP, although many members of the community have contributed different
|
||||
[client libraries](../development/libraries.html) in other languages to query Druid.
|
||||
[client libraries](/libraries.html) in other languages to query Druid.
|
||||
|
||||
The Content-Type/Accept Headers can also take 'application/x-jackson-smile'.
|
||||
|
||||
|
|
|
|||
|
|
@ -744,4 +744,4 @@ Broker will emit the following metrics for SQL.
|
|||
|
||||
## Authorization Permissions
|
||||
|
||||
Please see [Defining SQL permissions](../../development/extensions-core/druid-basic-security.html#sql-permissions) for information on what permissions are needed for making SQL queries in a secured cluster.
|
||||
Please see [Defining SQL permissions](../development/extensions-core/druid-basic-security.html#sql-permissions) for information on what permissions are needed for making SQL queries in a secured cluster.
|
||||
|
|
@ -157,7 +157,7 @@ layout: toc
|
|||
|
||||
## Development
|
||||
* [Overview](/docs/VERSION/development/overview.html)
|
||||
* [Libraries](/docs/VERSION/development/libraries.html)
|
||||
* [Libraries](/libraries.html)
|
||||
* [Extensions](/docs/VERSION/development/extensions.html)
|
||||
* [JavaScript](/docs/VERSION/development/javascript.html)
|
||||
* [Build From Source](/docs/VERSION/development/build.html)
|
||||
|
|
|
|||
|
|
@ -102,12 +102,12 @@ cd apache-druid-#{DRUIDVERSION}
|
|||
In the package, you should find:
|
||||
|
||||
* `DISCLAIMER`, `LICENSE`, and `NOTICE` files
|
||||
* `bin/*` - scripts related to the [single-machine quickstart](quickstart.html)
|
||||
* `bin/*` - scripts related to the [single-machine quickstart](index.html)
|
||||
* `conf/*` - template configurations for a clustered setup
|
||||
* `extensions/*` - core Druid extensions
|
||||
* `hadoop-dependencies/*` - Druid Hadoop dependencies
|
||||
* `lib/*` - libraries and dependencies for core Druid
|
||||
* `quickstart/*` - files related to the [single-machine quickstart](quickstart.html)
|
||||
* `quickstart/*` - files related to the [single-machine quickstart](index.html)
|
||||
|
||||
We'll be editing the files in `conf/` in order to get things running.
|
||||
|
||||
|
|
|
|||
|
|
@ -31,7 +31,7 @@ This tutorial shows you how to load streaming data into Apache Druid (incubating
|
|||
[Tranquility Server](https://github.com/druid-io/tranquility/blob/master/docs/server.md) allows a stream of data to be pushed into Druid using HTTP POSTs.
|
||||
|
||||
For this tutorial, we'll assume you've already downloaded Druid as described in
|
||||
the [single-machine quickstart](quickstart.html) and have it running on your local machine. You
|
||||
the [single-machine quickstart](index.html) and have it running on your local machine. You
|
||||
don't need to have loaded any data yet.
|
||||
|
||||
## Download Tranquility
|
||||
|
|
|
|||
Loading…
Reference in New Issue