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write tikv slow during import into command #47283

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seiya-annie opened this issue Sep 26, 2023 · 3 comments
Open

write tikv slow during import into command #47283

seiya-annie opened this issue Sep 26, 2023 · 3 comments
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affects-7.5 component/ddl This issue is related to DDL of TiDB. feature/developing the related feature is in development severity/moderate type/bug The issue is confirmed as a bug.

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@seiya-annie
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seiya-annie commented Sep 26, 2023

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

  1. run import into command
    import into item_core from '/tmp/tidb/test.item_core.*.csv' with thread=16,detached;
  2. check in monitor, found write tikv is very slow during 09:30 to 10:30. almost write nothing during one hour.
    20230926-114644

2. What did you expect to see? (Required)

write speed is stable

3. What did you see instead (Required)

write tikv slow in sometimes

4. What is your TiDB version? (Required)

master
hash: bbfedd409b5965c04b9edcb34f0a0907c75d6dd2

@seiya-annie seiya-annie added the type/bug The issue is confirmed as a bug. label Sep 26, 2023
@seiya-annie
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the csv file used by import into is big file, each size of csv file is about 26.6G

@D3Hunter
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from tikv monitor, we can see write duration 99% is quite long
804a8819-a9ff-467e-8d1a-05658508b326

logs of tikv-2 in this time range

[2023/09/26 09:24:45.376 +08:00] [INFO] [sst_service.rs:782] ["switch mode"] [mode=Import]
[2023/09/26 09:26:15.180 +08:00] [INFO] [sst_writer.rs:132] ["finish write to sst"] [write_bytes=32830] [write_entries=331] [default_bytes=4893019] [default_entries=331]
[2023/09/26 09:26:17.191 +08:00] [INFO] [import_file.rs:357] ["api_check success"]
[2023/09/26 09:26:17.238 +08:00] [INFO] [sst_importer.rs:364] [ingest] [metas="[SstMetaInfo { total_bytes: 4895667, total_kvs: 331, meta: uuid: D21B6DB297FD4684B01CEC7046AC5CB7 range { start: 748000000000
0000FF7F5F720136373134FF39303139FF6F5843FF45754C556DFF4255FF53646539434CFF46FF6B507046324448FFFF6C7A644C61554B55FFFF00000000000000FF00F7000000000000F9 end: 7480000000000000FF7F5F720136373134FF39333139FF6C
4169FF64545A4B7AFF4177FF744C4D707354FF6FFF52796D6E776F31FFFF7076373438783575FFFF00000000000000FF00F7000000000000F9 } cf_name: \"default\" region_id: 1100788 region_epoch { conf_ver: 1504637 version: 3521
} }, SstMetaInfo { total_bytes: 35478, total_kvs: 331, meta: uuid: D21B6DB297FD4684B01CEC7046AC5CB7 range { start: 7480000000000000FF7F5F720136373134FF39303139FF6F5843FF45754C556DFF4255FF53646539434CFF46F
F6B507046324448FFFF6C7A644C61554B55FFFF00000000000000FF00F7000000000000F9 end: 7480000000000000FF7F5F720136373134FF39333139FF6C4169FF64545A4B7AFF4177FF744C4D707354FF6FFF52796D6E776F31FFFF7076373438783575F
FFF00000000000000FF00F7000000000000F9 } cf_name: \"write\" region_id: 1100788 region_epoch { conf_ver: 1504637 version: 3521 } }]"]
[2023/09/26 09:26:17.238 +08:00] [INFO] [sst_importer.rs:329] [delete] [path="ImportPath { save: \"/var/lib/tikv/data/import/d21b6db2-97fd-4684-b01c-ec7046ac5cb7_1100788_1504637_3521_default.sst\", temp:
\"/var/lib/tikv/data/import/.temp/d21b6db2-97fd-4684-b01c-ec7046ac5cb7_1100788_1504637_3521_default.sst\", clone: \"/var/lib/tikv/data/import/.clone/d21b6db2-97fd-4684-b01c-ec7046ac5cb7_1100788_1504637_35
21_default.sst\" }"]
[2023/09/26 09:26:17.238 +08:00] [INFO] [sst_importer.rs:329] [delete] [path="ImportPath { save: \"/var/lib/tikv/data/import/d21b6db2-97fd-4684-b01c-ec7046ac5cb7_1100788_1504637_3521_write.sst\", temp: \"
/var/lib/tikv/data/import/.temp/d21b6db2-97fd-4684-b01c-ec7046ac5cb7_1100788_1504637_3521_write.sst\", clone: \"/var/lib/tikv/data/import/.clone/d21b6db2-97fd-4684-b01c-ec7046ac5cb7_1100788_1504637_3521_w
rite.sst\" }"]
[2023/09/26 09:27:49.981 +08:00] [INFO] [compact.rs:147] ["compact range finished"] [time_takes=66.9600655s] [cf=default] [range_end=7A7480000000000000FF7B5F720131383238FF32323035FF365036FF3769793873FF344
4FF4B6763754B35FF32FF43534679486834FFFF6F43784D4E6B426DFFFF69000000000000FF00F8000000000000F9] [range_start=7A7480000000000000FF7B5F720131373934FF37373332FF314675FF52444E367AFF4A59FF563468677865FF69FF6974
6F354F3851FFFF574A6E5864793047FFFF4B000000000000FF00F8000000000000F9]
[2023/09/26 09:27:50.788 +08:00] [INFO] [compact.rs:147] ["compact range finished"] [time_takes=806.461269ms] [cf=write] [range_end=7A7480000000000000FF7B5F720131383238FF32323035FF365036FF3769793873FF3444
FF4B6763754B35FF32FF43534679486834FFFF6F43784D4E6B426DFFFF69000000000000FF00F8000000000000F9] [range_start=7A7480000000000000FF7B5F720131373934FF37373332FF314675FF52444E367AFF4A59FF563468677865FF69FF69746
F354F3851FFFF574A6E5864793047FFFF4B000000000000FF00F8000000000000F9]
[2023/09/26 09:28:29.047 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 09:28:29.047 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 09:28:29.047 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 09:28:29.047 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 09:29:45.873 +08:00] [INFO] [sst_service.rs:782] ["switch mode"] [mode=Import]
[2023/09/26 09:32:02.050 +08:00] [INFO] [util.rs:638] ["connecting to PD endpoint"] [endpoints=http://tc-pd-0.tc-pd-peer.sql-global-sort-and-mvindex-testing-tps-2760376-1-696.svc:2379]
[2023/09/26 09:33:36.742 +08:00] [INFO] [compact.rs:147] ["compact range finished"] [time_takes=113.721152437s] [cf=default] [range_end=7A7480000000000000FF7B5F720131383538FF33303730FF367134FF693343714FFF
6E30FF756939776E79FF38FF3471484A423437FFFF57344C3547535778FFFF56000000000000FF00F8000000000000F9] [range_start=7A7480000000000000FF7B5F720131383238FF32383731FF316B69FF5869376B59FF4158FF497044615538FF6DFF6
E67644E77724CFFFF5544495041395456FFFF4C000000000000FF00F8000000000000F9]
[2023/09/26 09:33:37.547 +08:00] [INFO] [compact.rs:147] ["compact range finished"] [time_takes=804.890076ms] [cf=write] [range_end=7A7480000000000000FF7B5F720131383538FF33303730FF367134FF693343714FFF6E30
FF756939776E79FF38FF3471484A423437FFFF57344C3547535778FFFF56000000000000FF00F8000000000000F9] [range_start=7A7480000000000000FF7B5F720131383238FF32383731FF316B69FF5869376B59FF4158FF497044615538FF6DFF6E676
44E77724CFFFF5544495041395456FFFF4C000000000000FF00F8000000000000F9]
[2023/09/26 09:34:46.374 +08:00] [INFO] [sst_service.rs:782] ["switch mode"] [mode=Import]
[2023/09/26 09:38:29.046 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 09:38:29.046 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 09:38:29.046 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 09:38:29.046 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 09:38:41.450 +08:00] [INFO] [compact.rs:147] ["compact range finished"] [time_takes=118.428917591s] [cf=default] [range_end=7A7480000000000000FF7B5F720131383839FF36333530FF367258FF6D4B355732FF
7350FF4D536267555AFF66FF726F497067496BFFFF646554364E50396FFFFF57000000000000FF00F8000000000000F9] [range_start=7A7480000000000000FF7B5F720131383538FF33303730FF367134FF693343714FFF6E30FF756939776E79FF38FF3
471484A423437FFFF57344C3547535778FFFF56000000000000FF00F8000000000000F9]
[2023/09/26 09:39:33.431 +08:00] [INFO] [compact.rs:147] ["compact range finished"] [time_takes=51.980880599s] [cf=write] [range_end=7A7480000000000000FF7B5F720131383839FF36333530FF367258FF6D4B355732FF735
0FF4D536267555AFF66FF726F497067496BFFFF646554364E50396FFFFF57000000000000FF00F8000000000000F9] [range_start=7A7480000000000000FF7B5F720131383538FF33303730FF367134FF693343714FFF6E30FF756939776E79FF38FF3471
484A423437FFFF57344C3547535778FFFF56000000000000FF00F8000000000000F9]
[2023/09/26 09:39:46.873 +08:00] [INFO] [sst_service.rs:782] ["switch mode"] [mode=Import]
[2023/09/26 09:42:02.058 +08:00] [INFO] [util.rs:638] ["connecting to PD endpoint"] [endpoints=http://tc-pd-0.tc-pd-peer.sql-global-sort-and-mvindex-testing-tps-2760376-1-696.svc:2379]
[2023/09/26 09:44:47.376 +08:00] [INFO] [sst_service.rs:782] ["switch mode"] [mode=Import]
[2023/09/26 09:48:29.046 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 09:48:29.046 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 09:48:29.046 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 09:48:29.046 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 09:49:47.871 +08:00] [INFO] [sst_service.rs:782] ["switch mode"] [mode=Import]
[2023/09/26 09:50:14.538 +08:00] [INFO] [sst_writer.rs:132] ["finish write to sst"] [write_bytes=468286] [write_entries=5146] [default_bytes=76024234] [default_entries=5146]
[2023/09/26 09:50:16.587 +08:00] [INFO] [import_file.rs:357] ["api_check success"]
[2023/09/26 09:50:16.624 +08:00] [INFO] [sst_importer.rs:364] [ingest] [metas="[SstMetaInfo { total_bytes: 76065402, total_kvs: 5146, meta: uuid: AB2651B8127C4049AC79FFB3B5062566 range { start: 7480000000
000000FF7F5F720138363535FF34373072FF674B66FF6F544D6B74FF6C77FF495158466745FF67FF75373541796C56FFFF5159685971775200FFFE00000000000000F8 end: 7480000000000000FF7F5F720138363630FF3631356CFF77354FFF483962316B
FF7955FF6456596D5677FF33FF33704667587661FFFF5A39567148576600FFFE00000000000000F8 } cf_name: \"default\" region_id: 1098566 region_epoch { conf_ver: 1504637 version: 3430 } }, SstMetaInfo { total_bytes: 50
9454, total_kvs: 5146, meta: uuid: AB2651B8127C4049AC79FFB3B5062566 range { start: 7480000000000000FF7F5F720138363535FF34373072FF674B66FF6F544D6B74FF6C77FF495158466745FF67FF75373541796C56FFFF5159685971775
200FFFE00000000000000F8 end: 7480000000000000FF7F5F720138363630FF3631356CFF77354FFF483962316BFF7955FF6456596D5677FF33FF33704667587661FFFF5A39567148576600FFFE00000000000000F8 } cf_name: \"write\" region_id
: 1098566 region_epoch { conf_ver: 1504637 version: 3430 } }]"]
[2023/09/26 09:50:16.624 +08:00] [INFO] [sst_importer.rs:329] [delete] [path="ImportPath { save: \"/var/lib/tikv/data/import/ab2651b8-127c-4049-ac79-ffb3b5062566_1098566_1504637_3430_default.sst\", temp:
\"/var/lib/tikv/data/import/.temp/ab2651b8-127c-4049-ac79-ffb3b5062566_1098566_1504637_3430_default.sst\", clone: \"/var/lib/tikv/data/import/.clone/ab2651b8-127c-4049-ac79-ffb3b5062566_1098566_1504637_34
30_default.sst\" }"]
[2023/09/26 09:50:16.624 +08:00] [INFO] [sst_importer.rs:329] [delete] [path="ImportPath { save: \"/var/lib/tikv/data/import/ab2651b8-127c-4049-ac79-ffb3b5062566_1098566_1504637_3430_write.sst\", temp: \"
/var/lib/tikv/data/import/.temp/ab2651b8-127c-4049-ac79-ffb3b5062566_1098566_1504637_3430_write.sst\", clone: \"/var/lib/tikv/data/import/.clone/ab2651b8-127c-4049-ac79-ffb3b5062566_1098566_1504637_3430_w
rite.sst\" }"]
[2023/09/26 09:52:02.172 +08:00] [INFO] [util.rs:638] ["connecting to PD endpoint"] [endpoints=http://tc-pd-0.tc-pd-peer.sql-global-sort-and-mvindex-testing-tps-2760376-1-696.svc:2379]
[2023/09/26 09:54:48.377 +08:00] [INFO] [sst_service.rs:782] ["switch mode"] [mode=Import]
[2023/09/26 09:59:29.046 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 09:59:29.046 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 09:59:29.046 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 09:59:29.046 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 09:59:48.876 +08:00] [INFO] [sst_service.rs:782] ["switch mode"] [mode=Import]
[2023/09/26 10:02:02.176 +08:00] [INFO] [util.rs:638] ["connecting to PD endpoint"] [endpoints=http://tc-pd-0.tc-pd-peer.sql-global-sort-and-mvindex-testing-tps-2760376-1-696.svc:2379]
[2023/09/26 10:04:49.374 +08:00] [INFO] [sst_service.rs:782] ["switch mode"] [mode=Import]
[2023/09/26 10:09:29.048 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 10:09:29.048 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 10:09:29.048 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 10:09:29.048 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 10:09:49.877 +08:00] [INFO] [sst_service.rs:782] ["switch mode"] [mode=Import]
[2023/09/26 10:12:02.224 +08:00] [INFO] [util.rs:638] ["connecting to PD endpoint"] [endpoints=http://tc-pd-0.tc-pd-peer.sql-global-sort-and-mvindex-testing-tps-2760376-1-696.svc:2379]
[2023/09/26 10:14:50.375 +08:00] [INFO] [sst_service.rs:782] ["switch mode"] [mode=Import]
[2023/09/26 10:19:29.046 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 10:19:29.046 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 10:19:29.046 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 10:19:29.046 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 10:19:50.872 +08:00] [INFO] [sst_service.rs:782] ["switch mode"] [mode=Import]
[2023/09/26 10:22:02.404 +08:00] [INFO] [util.rs:638] ["connecting to PD endpoint"] [endpoints=http://tc-pd-0.tc-pd-peer.sql-global-sort-and-mvindex-testing-tps-2760376-1-696.svc:2379]
[2023/09/26 10:24:51.378 +08:00] [INFO] [sst_service.rs:782] ["switch mode"] [mode=Import]
[2023/09/26 10:28:00.533 +08:00] [INFO] [profiler.rs:401] ["starting cpu profiler"]
[2023/09/26 10:28:10.098 +08:00] [INFO] [profiler.rs:421] ["stopping cpu profiler"]
[2023/09/26 10:28:10.110 +08:00] [INFO] [mod.rs:419] ["dump cpu profile successfully"]
[2023/09/26 10:28:41.081 +08:00] [INFO] [sst_writer.rs:132] ["finish write to sst"] [write_bytes=1334293] [write_entries=13453] [default_bytes=198868502] [default_entries=13453]
[2023/09/26 10:28:55.876 +08:00] [INFO] [import_file.rs:357] ["api_check success"]
[2023/09/26 10:28:55.878 +08:00] [INFO] [import_file.rs:357] ["api_check success"]
[2023/09/26 10:28:55.914 +08:00] [INFO] [sst_importer.rs:364] [ingest] [metas="[SstMetaInfo { total_bytes: 198976126, total_kvs: 13453, meta: uuid: A11D0761AC8E4429840D6C2798BFF0BA range { start: 74800000
00000000FF7F5F720137323436FF39323631FF734161FF4B48713068FF326BFF6B7635616243FF38FF45773041436258FFFF5343574465586859FFFF00000000000000FF00F7000000000000F9 end: 7480000000000000FF7F5F720137323438FF31343930
FF334C52FF346E516930FF4232FF4A56794D3938FF32FF73664361423132FFFF66434E554A6B6551FFFF00000000000000FF00F7000000000000F9 } cf_name: \"default\" region_id: 1102899 region_epoch { conf_ver: 1504631 version: 3
521 } }, SstMetaInfo { total_bytes: 1441917, total_kvs: 13453, meta: uuid: A11D0761AC8E4429840D6C2798BFF0BA range { start: 7480000000000000FF7F5F720137323436FF39323631FF734161FF4B48713068FF326BFF6B7635616
243FF38FF45773041436258FFFF5343574465586859FFFF00000000000000FF00F7000000000000F9 end: 7480000000000000FF7F5F720137323438FF31343930FF334C52FF346E516930FF4232FF4A56794D3938FF32FF73664361423132FFFF66434E554
A6B6551FFFF00000000000000FF00F7000000000000F9 } cf_name: \"write\" region_id: 1102899 region_epoch { conf_ver: 1504631 version: 3521 } }]"]
[2023/09/26 10:28:55.914 +08:00] [INFO] [sst_importer.rs:329] [delete] [path="ImportPath { save: \"/var/lib/tikv/data/import/a11d0761-ac8e-4429-840d-6c2798bff0ba_1102899_1504631_3521_default.sst\", temp:
\"/var/lib/tikv/data/import/.temp/a11d0761-ac8e-4429-840d-6c2798bff0ba_1102899_1504631_3521_default.sst\", clone: \"/var/lib/tikv/data/import/.clone/a11d0761-ac8e-4429-840d-6c2798bff0ba_1102899_1504631_35
21_default.sst\" }"]
[2023/09/26 10:28:55.914 +08:00] [INFO] [sst_importer.rs:329] [delete] [path="ImportPath { save: \"/var/lib/tikv/data/import/a11d0761-ac8e-4429-840d-6c2798bff0ba_1102899_1504631_3521_write.sst\", temp: \"
/var/lib/tikv/data/import/.temp/a11d0761-ac8e-4429-840d-6c2798bff0ba_1102899_1504631_3521_write.sst\", clone: \"/var/lib/tikv/data/import/.clone/a11d0761-ac8e-4429-840d-6c2798bff0ba_1102899_1504631_3521_w
rite.sst\" }"]
[2023/09/26 10:29:00.000 +08:00] [INFO] [profiler.rs:401] ["starting cpu profiler"]
[2023/09/26 10:29:10.009 +08:00] [INFO] [profiler.rs:421] ["stopping cpu profiler"]
[2023/09/26 10:29:10.020 +08:00] [INFO] [mod.rs:419] ["dump cpu profile successfully"]
[2023/09/26 10:29:29.046 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 10:29:29.046 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 10:29:29.046 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]
[2023/09/26 10:29:29.046 +08:00] [INFO] [kv.rs:954] ["kv rpc failed"] [err=RemoteStopped] [request=batch_commands]

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tikv

[2023/09/23 21:01:42.612 +08:00] [INFO] [lib.rs:89] ["Welcome to TiKV"]
[2023/09/23 21:01:42.612 +08:00] [INFO] [lib.rs:94] ["Release Version:   7.4.0-alpha"]
[2023/09/23 21:01:42.612 +08:00] [INFO] [lib.rs:94] ["Edition:           Community"]
[2023/09/23 21:01:42.612 +08:00] [INFO] [lib.rs:94] ["Git Commit Hash:   bbfedd409b5965c04b9edcb34f0a0907c75d6dd2"]
[2023/09/23 21:01:42.612 +08:00] [INFO] [lib.rs:94] ["Git Commit Branch: heads/refs/tags/v7.4.0-alpha"]
[2023/09/23 21:01:42.612 +08:00] [INFO] [lib.rs:94] ["UTC Build Time:    Unknown (env var does not exist when building)"]
[2023/09/23 21:01:42.612 +08:00] [INFO] [lib.rs:94] ["Rust Version:      rustc 1.73.0-nightly (180dffba1 2023-08-14)"]
[2023/09/23 21:01:42.612 +08:00] [INFO] [lib.rs:94] ["Enable Features:   pprof-fp jemalloc mem-profiling portable sse test-engine-kv-rocksdb test-engine-raft-raft-engine cloud-aws cloud-gcp cloud-azure"]
[2023/09/23 21:01:42.612 +08:00] [INFO] [lib.rs:94] ["Profile:           dist_release"]

@seiya-annie seiya-annie added component/ddl This issue is related to DDL of TiDB. feature/developing the related feature is in development severity/moderate labels Sep 26, 2023
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affects-7.5 component/ddl This issue is related to DDL of TiDB. feature/developing the related feature is in development severity/moderate type/bug The issue is confirmed as a bug.
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