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*: merging tidb-lightning #665
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* add badge * replace build to test
…rt` (pingcap#119) * restore: resolve conflicts * restore: do not do compact after engine file imported * restore: address comment * worker: panic if recycle a nil worker * restore: resolve conflicts * restore: init * *: address comment * *: address comment * config: change default value of `level-1-compact` Co-Authored-By: lonng <chris@lonng.org>
…ingcap#132) * restore: write index kvs and data kvs to seperate engine * restore: rename to * restore: use single engine file to store index * restore: make index engine limited by table concurrency * restore: revert some changes * restore: modify checkpoint proto * restore: implement checkpoint for index engine file * tests: add failpoint for CheckpointStatusIndexImported * address comment * address comment * address comment
* loader: recognize CSV files * *: generalize the parser interface * mydump: added a CSV parser * mydump,restore: enable CSV parser * tests: added integration test for CSV * mydumper: added test case for empty CSV * config: improved description * restore: fixed a compile error on Go 1.12
update tidb version to latest release2.1, and add a test case for issue pingcap/tidb#9532
…ingcap#142) Currently, cleanup script in integration test does not work, if the developer wants to re-run integration test in his/her local environment, he/she has to clean /tmp/lightning_test_result manually
Test `checkpoint_error_destroy` in integration got error randomly, both in local environment and JenkinsCI. Lightning could exit before all checkpoints are saved, as the `WaitGroup` is not always added before this line https://github.com/pingcap/tidb-lightning/blob/master/lightning/restore/restore.go#L204 returns 1. After `RestoreController.Run` is returned, no more messages will be sent to `rc.saveCpCh`, so we can close it safely and ensure all `saveCp` are consumed 2. remove some unused code
…" (pingcap#152) This reverts commit 852c5e9.
* restore: add local checksum log * Update lightning/restore/restore.go Co-Authored-By: lonng <chris@lonng.org>
use gofail to control lightning to kill itself after one chunk is imported
…ingcap#145) * *: parse the data source directly into data and skip the KV encoder This skips the more complex pingcap/parser, and speeds up parsing speed by 50%. We have also refactored the KV delivery mechanism to use channels directly, and revamped metrics: - Make the metrics about engines into its own `engines` counter. The `tables` counter is exclusively about tables now. - Removed `block_read_seconds`, `block_read_bytes`, `block_encode_seconds` since the concept of "block" no longer applies. Replaced by the equivalents named `row_***`. - Removed `chunk_parser_read_row_seconds` for being overlapping with `row_read_seconds`. - Changed `block_deliver_bytes` into a histogram vec, with kind=index or kind=data. Introduced `block_deliver_kv_pairs`. * tests,restore: prevent spurious error in checkpoint_chunks test Only kill Lightning if the whole chunk is imported exactly. The chunk checkpoint may be recorded before a chunk is fully written, and this will hit the failpoint more than 5 times. * kv: use composed interface to simplify some types * kv: properly handle the SQL mode * common: disable IsContextCanceledError() when log level = debug This helps debugging some mysterious cancellation where the log is inhibited. Added IsReallyContextCanceledError() for code logic affected by error type. * restore: made some log more detailed * restore: made the SlowDownImport failpoint apply to index engines too * restore: do not open a write stream when there are no KV pairs to send * tests: ensure we drop the checkpoints DB before re-run * mydump: fixed various off-by-one errors in the CSV parser * *: rename `!IsContextCanceledError` to `ShouldLogError` * *: addressed comments * restore: zero the checksums and column permutations on initialization * *: addressed comments * tests: add back a missing license header * tests: improve a comment.
…gcap#158 (pingcap#159) * tests: fix a test failure due to conflict between pingcap#145 and pingcap#158 * restore: apply the row count limit to failpoint KillIfImportedChunk too
Put the large table in the front of the slice which can avoid large table take a long time to import and block small table to release index worker.
* config: remove deprecated -compact, -switch-mode flags from tidb-lightning They can still be called from tidb-lightning-ctl. * config: search also conf/tidb-lightning.toml for default -config path Fallback to standard default if -config is not supplied * config: provide command line arguments for some common options * config: stop searching for tidb-lightning.toml if --config is unspecified
* tests: fix existing test failure * mydump: fixed conversion of integers into bits We need to create a special branch for integers, since casting 123 and '123' into BIT type behave differently. Also fixed handling of 0x/0b bit strings since Ragel doesn't recognize '+' in a regex -_-. * mydump: store description of `token` in an array instead of switch cases * tests: test behavior of integers for ENUM and SET types as well
* *: use pingcap/log (zap) for logging
Some redundant logs (e.g. logging about the same thing inside and outside
a function) are removed.
The {QueryRow,Transact,Exec}WithRetry functions are revamped to include
the logger.
* common,config: addressed comments
* *: addressed comments
* restore,verification: addressed comments
* kv: fix handling of column default values * if the column is AUTO_INCREMENT, fill in with row_id (assume it is missing for the entire table instead of just a few values) * if the column has DEFAULT, fill in that value * tests: ensure DEFAULT CURRENT_TIMESTAMP works
Ensures table + index <= the default max-open-engine which is 8.
* config: added [[routes]] config * mydump, restore: support table routing * tests: added test case for table routing * mydump: ensure rerouted schemas will not be created * config: allows routes to be case-sensitive * restore: replace CREATE TABLE -> IF NOT EXISTS using tidb/parser * mydump/loader_test: add unit test for route() and refactor * tests: TiDB doesn't support `DECIMAL(20, 0)`. * tests: workaround pingcap/parser#310
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WIP to block bot merge (will merge manually). |
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Also it makes changes: * format lightning code using gofumports * move lightning/cmd to cmd * merge files, including * go.mod1, go.sum1 * .gitignore * .github/* * Makefile * tools/* Signed-off-by: Neil Shen <overvenus@gmail.com>
Signed-off-by: Neil Shen <overvenus@gmail.com>
Signed-off-by: Neil Shen <overvenus@gmail.com>
Signed-off-by: Neil Shen <overvenus@gmail.com>
Signed-off-by: Neil Shen <overvenus@gmail.com>
Signed-off-by: Neil Shen <overvenus@gmail.com>
Signed-off-by: Neil Shen <overvenus@gmail.com>
Signed-off-by: Neil Shen <overvenus@gmail.com>
Signed-off-by: Neil Shen <overvenus@gmail.com>
Signed-off-by: Neil Shen <overvenus@gmail.com>
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Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
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cherry pick to release-5.0-rc in PR #740 |
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What problem does this PR solve?
Merging TiDB-Lightning repo into BR repo.
What is changed and how it works?
git subtree add -P pkg/lightning https://github.com/pingcap/br/pkg/lightning.gitinsubtree-lightningbranch.This PR targets to
subtree-lightningbranch for easier review, also it includes changes on import path and lightning tests (to pass BR CI).Check List
Tests
Side effects
Related changes
Release Note