owner stringclasses 14
values | repo stringclasses 14
values | id int64 116k 4.61B | issue_number int32 1 181k | author stringlengths 1 39 | body stringlengths 1 262k | created_at timestamp[us]date 2000-06-06 02:40:44 2026-06-02 20:16:18 | updated_at timestamp[us]date 2000-06-06 02:40:44 2026-06-02 20:22:56 | reactions unknown | author_association stringclasses 5
values |
|---|---|---|---|---|---|---|---|---|---|
ClickHouse | ClickHouse | 679,456,645 | 13,991 | liangli1213 | @BohuTANG , thanks, let me try InnoDB, by the way, I have 3 questions:
1. Is the below setting in MySQL a must:
> gtid-mode = on
> enforce-gtid-consistency = true
2. Will ClickHouse recover the replication from MySQL when MySQL service has been restart?
3. Will ClickHouse recover the replication when ClickHouse be... | 2020-08-25T01:57:34 | 2020-08-25T01:57:34 | {} | NONE |
ClickHouse | ClickHouse | 679,485,159 | 14,008 | zhang2014 | By default, MySQL uses UNIX socket to process to `localhost` client.(For some distribution formats, the directory might be different, such as /var/lib/mysql for RPMs.)
This may need to fixed in ClickHouse.
See for more information: https://dev.mysql.com/doc/refman/8.0/en/problems-with-mysql-sock.html, https://dev.m... | 2020-08-25T03:04:31 | 2020-08-25T03:04:31 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,803,136 | 14,035 | filimonov | TSVRaw is output only format, it can be used with Kafka to produce the data, not for consume. | 2020-08-25T06:06:53 | 2020-08-25T06:06:53 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 680,004,641 | 14,042 | den-crane | /etc/init.d/clickhouse-server -- a bash script which runs `/usr/bin/clickhouse-server --config=/etc/clickhouse-server/config.xml --pid-file=/run/clickhouse-server/clickhouse-server.pid`
/etc/cron.d/clickhouse-server -- another bash script which runs `/usr/bin/clickhouse-server --config=/etc/clickhouse-server/confi... | 2020-08-25T12:50:03 | 2020-08-25T12:50:03 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 680,027,210 | 14,046 | den-crane | 200.000*3600/1024/1024 = 686 MB/s. It pretty huge. I doubt that 8 consumers able to ingest that even in theory.
Probably you will have to use `creating multiple kafka engines per pod` way. | 2020-08-25T13:32:05 | 2020-08-25T13:32:05 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,339,882 | 13,880 | alexey-milovidov | Stress test (undefined) - fixed in #13980
Performance - sporadic changes, Ok. | 2020-08-24T20:08:59 | 2020-08-24T20:08:59 | {} | MEMBER |
ClickHouse | ClickHouse | 680,035,065 | 14,043 | markpapadakis | @alexey-milovidov Good point about the distribution specifics. Give me a minute for an alternative implementation. | 2020-08-25T13:46:00 | 2020-08-25T13:46:00 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,163,219 | 14,007 | den-crane | Do you still run `optimize table` manually ? If yes then don't do it.
Can you show a table DDL and example of your insert query? How many rows do you insert by one query? | 2020-08-24T14:32:32 | 2020-08-24T14:32:32 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,334,175 | 13,818 | bharatnc | Thank you @nikitamikhaylov ! | 2020-08-24T19:57:03 | 2020-08-24T19:57:03 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,441,777 | 14,036 | alexey-milovidov | It points here and it looks alright: https://github.com/unicode-org/icu/tree/faa2f9f9e1fe74c5ed00eba371d2830134cdbea1
Does the issue reproduce? Does it work if you clone the https://github.com/unicode-org/icu/ repository manually and checkout faa2f9f9e1fe74c5ed00eba371d2830134cdbea1 commit? | 2020-08-25T01:02:01 | 2020-08-25T01:02:01 | {} | MEMBER |
ClickHouse | ClickHouse | 679,504,348 | 12,509 | toby080508050805 | I got the root cause. It is because the linux soft limit limited the clickhouse thread. After increasing a number of a limit, it is find now. | 2020-08-25T03:19:13 | 2020-08-25T03:19:13 | {} | NONE |
ClickHouse | ClickHouse | 679,593,213 | 14,008 | l1t1 | ok. | 2020-08-25T04:26:49 | 2020-08-25T04:26:49 | {} | NONE |
ClickHouse | ClickHouse | 679,861,857 | 13,966 | blinkov | @tac0x2a there are some broken links:
```
WARNING:mkdocs.structure.pages:Documentation file 'getting-started/playground.md' contains a link to 'getting-started/interfaces/jdbc.md' which is not found in the documentation files.
WARNING:mkdocs.structure.pages:Documentation file 'getting-started/playground.md' contains a... | 2020-08-25T07:44:01 | 2020-08-25T07:44:01 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,985,818 | 14,042 | lecranek | Maybe that process is a child process of init?
Once I killed the process mentioned above, there will be another clickhouse process like `/usr/bin/clickhouse-server --config=/etc/clickhouse-server/config.xml --pid-file=/run/clickhouse-server/clickhouse-server.pid` working several seconds later. And the err.log returne... | 2020-08-25T12:10:36 | 2020-08-25T12:10:36 | {} | NONE |
ClickHouse | ClickHouse | 680,030,264 | 14,046 | jmalicevic | Yes, so right now I have more consumers per pod. I just tried it different ways. Having one kafka engine with kafka_num_consumers=5 and having 5 kafka engines with kafka_num_consumers=1. However, having 5 engines and one materialized view might shift the bottleneck to multiple writes into the MergeTree table.
| 2020-08-25T13:37:39 | 2020-08-25T13:37:39 | {} | NONE |
ClickHouse | ClickHouse | 680,030,956 | 14,043 | alexey-milovidov | In new implementation you are using `step` variable. But looks like it will give less uniform distribution of data between threads.
Suppose we have 9 blocks and 5 threads... | 2020-08-25T13:38:50 | 2020-08-25T13:38:50 | {} | MEMBER |
ClickHouse | ClickHouse | 679,216,596 | 13,991 | zhang2014 | Can you get log from `clickhouse-server.log`(it contains debug, wraing, error levels)?
BTW: For simplicity, maybe you can rename the original log file and repeat the above process?
``` sql
clickhouse:> DROP DATABASE clickhouse_test;
shell :> rename clickhouse-server.log clickhouse-server.log.old
shell :> restar... | 2020-08-24T16:01:50 | 2020-08-24T16:01:50 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,295,244 | 13,968 | den-crane | duplicate https://github.com/ClickHouse/ClickHouse/issues/13957 | 2020-08-24T18:34:46 | 2020-08-24T18:34:46 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,460,229 | 13,210 | DouMiaoO-Oo | I have a similar error in ver 20.6.4.44 without join.
This is my script
``` sql
select
'2020-07-15' as dt
from
recom_stats_dws.load_clk_log_day as tbl
where
tbl.dt='20200715';
```
I got error message:
> DB::Exception: Unknown identifier: dt there are columns: label (version 20.6.4.44 (official build))... | 2020-08-25T02:10:28 | 2020-08-25T02:10:28 | {} | NONE |
ClickHouse | ClickHouse | 680,029,808 | 14,043 | alexey-milovidov | I don't understand, why it can ignore some blocks? | 2020-08-25T13:36:46 | 2020-08-25T13:36:46 | {} | MEMBER |
ClickHouse | ClickHouse | 679,181,305 | 13,991 | liangli1213 | @zhang2014 I'm using MySQL 5.7.21 and here is the my.cnf, is there anything wrong?
```
[root@bdcdev09 mysql]# cat my.cnf
[mysqld]
basedir = /opt/mysql
datadir = /mysql/mysql5.7.21_db
socket = /var/lib/mysql/mysql.sock
pid-file = /var/lib/mysql/mysql.pid
log-error = /var/log/mysql/mysql.log
symbolic-links = 0
... | 2020-08-24T15:03:40 | 2020-08-24T15:03:40 | {} | NONE |
ClickHouse | ClickHouse | 679,233,009 | 13,991 | liangli1213 | [clickhouse-server.log](https://github.com/ClickHouse/ClickHouse/files/5119091/clickhouse-server.log)
Here is the log, and at last, I insert a new record, which trigger the error. | 2020-08-24T16:29:11 | 2020-08-24T16:29:11 | {} | NONE |
ClickHouse | ClickHouse | 679,268,594 | 14,009 | den-crane | Not config.xml
This parameter must be set in users profile in users.xml
for example
```
cat /etc/clickhouse-server/conf.d/any_join_distinct_right_table_keys.xml
<?xml version="1.0"?>
<yandex>
<profiles>
<default>
<any_join_distinct_right_table_keys>1</any_join_distinct_right_table_k... | 2020-08-24T17:39:20 | 2020-08-24T17:39:46 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,269,346 | 14,009 | mvcalder-xbk | @den-crane thanks. | 2020-08-24T17:40:55 | 2020-08-24T17:40:55 | {} | NONE |
ClickHouse | ClickHouse | 679,470,458 | 14,014 | bharatnc | @alexey-milovidov I would be interested in working on this. Can I take this? | 2020-08-25T02:48:36 | 2020-08-25T02:48:36 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,800,324 | 14,007 | mjodeh | stopped the insertion and executed `select database, table, future_parts, parts_to_check, queue_size, inserts_in_queue, merges_in_queue from system.replicas` and all columns were `0`s and still the CH error logs shows `too many parts` exceptions | 2020-08-25T06:05:05 | 2020-08-25T06:05:05 | {} | NONE |
ClickHouse | ClickHouse | 679,810,272 | 14,040 | filimonov | To cut off strings 'longer than' ?..
Use case is not clear (you can alway crop string using `left` when needed)
If it's only about schema mapping - clickhouse should support expressions like `varchar(255)` (map it to string) since 20.6 | 2020-08-25T06:11:28 | 2020-08-25T06:12:56 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,849,222 | 12,508 | alesapin | > test_version_update_after_mutation
> https://clickhouse-test-reports.s3.yandex.net/0/55ac192417ee0d2b83e7f28c5765ae939ad2983f/integration_tests_(thread).html
```
E QueryRuntimeException: Client failed! Return code: 243, stderr: Received exception from server (version 20.1.10):
E Code: 243. D... | 2020-08-25T07:15:42 | 2020-08-25T07:15:42 | {} | MEMBER |
ClickHouse | ClickHouse | 679,999,615 | 14,045 | den-crane | Check the logs, that the thread [ 10231 ] did right before the crash. | 2020-08-25T12:39:39 | 2020-08-25T12:39:39 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,759,812 | 14,035 | ramazanpolat | > BTW, TSVRaw is an alias for TabSeparatedRaw
Yeah I know, [this is why](https://stackoverflow.com/questions/63528287/consuming-nested-json-message-from-kafka-with-clickhouse/63531820?noredirect=1#comment112397161_63531820) I'm trying TSVRaw. | 2020-08-25T05:46:57 | 2020-08-25T05:46:57 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,862,075 | 14,042 | lecranek | I've checked status file again and found it records this process：
```
clickhouse-server --daemon --pid-file=/var/run/clickhouse-server/clickhouse-server.pid --config-file=/etc/clickhouse-server/config.xml
```
The problem is that i've never start server like that. | 2020-08-25T07:44:28 | 2020-08-25T07:44:28 | {} | NONE |
ClickHouse | ClickHouse | 679,952,982 | 10,966 | azat | @alexey-milovidov any progress on this one?
This is required for gcc10 build, due to incorrect `static_ltree` declaration:
```
ld.lld: error: duplicate symbol: static_ltree
>>> defined at trees.h:6 (../contrib/zlib-ng/tree... | 2020-08-25T10:53:55 | 2020-08-25T10:53:55 | {} | MEMBER |
ClickHouse | ClickHouse | 679,169,501 | 13,991 | zhang2014 | Can you provide more logs ? it looks like mysql sent the wrong query(now UnSupport). | 2020-08-24T14:43:36 | 2020-08-24T14:43:36 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,238,506 | 13,687 | akuzm | `01396_inactive_replica_cleanup_nodes` is a known flaky test | 2020-08-24T16:39:41 | 2020-08-24T16:39:41 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,328,761 | 13,773 | alexey-milovidov | 01300_group_by_other_keys
01300_group_by_other_keys_having
it's about non-associative float arithmetics and changing the order of aggregation. | 2020-08-24T19:45:13 | 2020-08-24T19:45:13 | {} | MEMBER |
ClickHouse | ClickHouse | 679,338,037 | 13,648 | alexey-milovidov | test_materialize_mysql_database - already fixed.
01060_shutdown_table_after_detach - already fixed.
Stress test (address) - already fixed. | 2020-08-24T20:04:56 | 2020-08-24T20:04:56 | {} | MEMBER |
ClickHouse | ClickHouse | 679,441,776 | 13,875 | mjodeh | After updating to 20.3.17.173, it did the same but more severe this time
{f783d746-ab20-43c9-ba2a-14e61628bca7} <Error> executeQuery: Code: 241, e.displayText() = DB::Exception: Memory limit (total) exceeded: would use 26.08 GiB (attempt to allocate chunk of 4502728 bytes), maximum: 26.08 GiB (version 20.3.17.173 (off... | 2020-08-25T01:02:01 | 2020-08-25T01:02:01 | {} | NONE |
ClickHouse | ClickHouse | 679,442,876 | 13,875 | mjodeh | on 48 cpu cores, 32 GB of ram hardware | 2020-08-25T01:06:03 | 2020-08-25T02:07:23 | {} | NONE |
ClickHouse | ClickHouse | 680,006,088 | 14,042 | den-crane | What distro do you use? CentOS? Debian?
in case of systemd you should use `sudo systemctl start clickhouse-server` not `/etc/init.d/clickhouse-server`
check `sudo systemctl status clickhouse-server` | 2020-08-25T12:53:09 | 2020-08-25T12:53:58 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 680,008,872 | 14,046 | den-crane | now it's **kafka_poll_max_batch_size** increase kafka_poll_max_batch_size gradually
How wide (long) are your kafka messages in bytes?
kafka_poll_max_batch_size, 0, "Maximum amount of messages to be polled in a single Kafka poll.
kafka_max_block_size, 0, "Number of row collected by poll(s) for flushing data from... | 2020-08-25T12:58:45 | 2020-08-25T13:02:51 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,147,953 | 13,991 | liangli1213 | @BohuTANG , that should be typo, there is port parameter, and whats more, I do some more test:
1. CREATE DATABASE clickhouse_test ENGINE = MaterializeMySQL('bdcdev09:3306', 'clickhouse_test', 'root', 'password')
2. select * from name ORDER BY id; ---> It's works
SELECT *
FROM name
ORDER BY id ASC
┌─id─┬─usern... | 2020-08-24T14:05:30 | 2020-08-24T14:09:38 | {} | NONE |
ClickHouse | ClickHouse | 679,188,378 | 13,991 | zhang2014 | More clickhouse log(before, after and during create MaterializeMySQL database). for this problem because we have received a query(=`B`) from mysql(possibly because the event was not read correctly.) | 2020-08-24T15:14:03 | 2020-08-24T15:14:03 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,194,661 | 13,991 | bohutang | And provide the 'name' table schema | 2020-08-24T15:24:24 | 2020-08-24T15:24:24 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,294,039 | 13,957 | den-crane | But {"DEVICE_GROUP":null,"KEYS_INSTANCE_ID":"["i1"]"} is not valid JSON, is it?
| 2020-08-24T18:32:11 | 2020-08-24T18:33:52 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,327,557 | 14,014 | alexey-milovidov | Simply don't allow too low values of `index_granularity_bytes` - less than 1024. Throw an exception if value is lower and non zero.
The threshold should be controlled by MergeTreeSetting `min_index_granularity_bytes`. | 2020-08-24T19:42:36 | 2020-08-24T19:42:36 | {} | MEMBER |
ClickHouse | ClickHouse | 679,341,792 | 11,769 | nikitamikhaylov | I've done something terrible. It is more convenient for me to work with my fork. | 2020-08-24T20:13:21 | 2020-08-24T20:13:21 | {} | MEMBER |
ClickHouse | ClickHouse | 679,445,604 | 14,037 | l1t1 | I found the reason,
```create table IF NOT EXISTS``` command does not create the new table or insert new lines, so i need drop the empty table first.
<del> the table name of clickhouse cannot be the same one of mysql_db table. or it cannot read rows.it will empty the orignal mysql_db table if does so</del>
```
VM_0... | 2020-08-25T01:15:40 | 2020-08-25T01:23:19 | {} | NONE |
ClickHouse | ClickHouse | 679,846,783 | 14,014 | alesapin | > @alexey-milovidov I would be interested in working on this. Can I take this?
I think it's a good idea to implement this feature. First of all, we need to introduce a new setting in MergeTreeSettings https://github.com/clickhouse/ClickHouse/blob/master/src/Storages/MergeTree/MergeTreeSettings.h#L93 and than perform... | 2020-08-25T07:09:35 | 2020-08-25T07:09:35 | {
"+1": 1
} | MEMBER |
ClickHouse | ClickHouse | 679,849,694 | 12,508 | alesapin | Segmentation fault during table drop in lazy database in stress test with msan:
https://github.com/ClickHouse/ClickHouse/pull/14027#issuecomment-679847962
https://clickhouse-test-reports.s3.yandex.net/14027/ffd8c193852283fa7ec675814b6e5e3a46dc511b/stress_test_(memory).html#fail1
cc: @nikvas0 | 2020-08-25T07:16:50 | 2020-08-25T07:18:31 | {} | MEMBER |
ClickHouse | ClickHouse | 679,172,445 | 13,869 | alexey-milovidov | By the way, why procfs does not give expected results? According to man page, the format is the same... | 2020-08-24T14:48:48 | 2020-08-24T14:48:48 | {} | MEMBER |
ClickHouse | ClickHouse | 679,436,743 | 13,991 | bohutang | > [clickhouse-server.log](https://github.com/ClickHouse/ClickHouse/files/5119091/clickhouse-server.log)
> Here is the log, and at last, I insert a new record, which trigger the error.
From your log your MySQL engine is `ENGINE=MyISAM`.
For replication the table engine must be InnoDB/TokuDB/MyRocks, other engines ... | 2020-08-25T00:42:54 | 2020-08-25T00:43:16 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 676,936,829 | 13,889 | melin | left join, execution is slow
```
datainsight-d-006053.te.td :) CREATE TABLE feature.join_1038_data_table ENGINE = MergeTree() PRIMARY KEY eventid ORDER BY eventid SETTINGS index_granularity=1000 AS SELECT a.EventId as eventid, Rulename, toUnixTimestamp(a.Timestamp) AS time_time, substring(toString(a.Timestamp), ... | 2020-08-20T03:25:36 | 2020-08-25T09:12:14 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,327,681 | 14,014 | alexey-milovidov | CC @amosbird | 2020-08-24T19:42:51 | 2020-08-24T19:42:51 | {} | MEMBER |
ClickHouse | ClickHouse | 679,339,224 | 13,648 | alexey-milovidov | Looks like everything is perfect... | 2020-08-24T20:07:33 | 2020-08-24T20:07:33 | {} | MEMBER |
ClickHouse | ClickHouse | 679,341,539 | 13,880 | alexey-milovidov | There are a few minor changes required... I will add them in another PR and this PR will be merged automatically. | 2020-08-24T20:12:48 | 2020-08-24T20:12:55 | {
"+1": 1
} | MEMBER |
ClickHouse | ClickHouse | 679,368,031 | 14,035 | den-crane | BTW, TSVRaw is an alias for TabSeparatedRaw | 2020-08-24T21:10:00 | 2020-08-24T21:10:00 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,413,619 | 13,957 | divyankgarg | Thanks for that help for above issue u suggested in stack overflow.It worked.
Could you help me out for below schema:
{"device": "10.84.130.44","topic": "external","fields": {"high-threshold": 800000000,"in-octets-stats-value": 1198686,"low-threshold": 500000000,"tandIngestTimestamp": 1598000420980343300,"tandTimeOf... | 2020-08-24T23:18:40 | 2020-08-24T23:18:40 | {} | NONE |
ClickHouse | ClickHouse | 679,569,634 | 13,991 | bohutang | > @BohuTANG , thanks, let me try InnoDB, by the way, I have 3 questions:
>
> 1. Is the below setting in MySQL a must:
>
> > gtid-mode = on
> > enforce-gtid-consistency = true
>
> 1. Will ClickHouse recover the replication from MySQL when MySQL service has been restart?
> 2. Will ClickHouse recover the replic... | 2020-08-25T04:08:52 | 2020-08-25T04:08:52 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,730,600 | 13,991 | liangli1213 | @BohuTANG , I have destroy the old table and created new table named 'name' with InnoDB as ENGINE, but I still met same issue.
There are so many place we need to pay attention, OS version, MySQL version, MySQL config, so what do you think we should try next step? | 2020-08-25T05:35:41 | 2020-08-25T05:35:41 | {} | NONE |
ClickHouse | ClickHouse | 679,849,898 | 14,027 | alesapin | Reported | 2020-08-25T07:17:17 | 2020-08-25T07:17:17 | {} | MEMBER |
ClickHouse | ClickHouse | 679,852,856 | 14,035 | vladimir-golovchenko | @ramazanpolat try to use *JSONAsString* input formatter - [test_storage_kafka/test.py](https://github.com/ClickHouse/ClickHouse/blob/dffd0a82130367805a3834d790238bde92840c6d/tests/integration/test_storage_kafka/test.py#L138). | 2020-08-25T07:23:50 | 2020-08-25T07:23:50 | {
"+1": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 680,000,520 | 14,044 | 4ertus2 | One of solutions is to disable this optimisation for distributed queries. But there's no simple way to implement it.
Another solution is to disable them by default. But we would have the same troubles in future.
It's expected that release 20.7 (or 20.8) would have some backward incompatible changes. So the best solut... | 2020-08-25T12:41:33 | 2020-08-25T12:41:33 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,161,402 | 14,007 | den-crane | duplicate https://github.com/ClickHouse/ClickHouse/issues/13360 | 2020-08-24T14:29:22 | 2020-08-24T14:29:22 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,176,672 | 13,377 | alesapin | Doesn't exist in 20.3? | 2020-08-24T14:56:04 | 2020-08-24T14:56:04 | {} | MEMBER |
ClickHouse | ClickHouse | 679,177,125 | 13,374 | alesapin | Doesn't exit in 20.4? | 2020-08-24T14:56:52 | 2020-08-24T14:56:52 | {} | MEMBER |
ClickHouse | ClickHouse | 679,308,738 | 13,980 | alexey-milovidov | AST Fuzzer:
> SELECT equals(countEqual(materialize([NULL AS x, x]), materialize(x)))
Fixed in #12550 | 2020-08-24T19:03:27 | 2020-08-24T19:03:27 | {} | MEMBER |
ClickHouse | ClickHouse | 679,417,662 | 13,957 | den-crane | your JSON
```
{"device": "10.84.130.44","topic": "external","fields": {"high-threshold": 800000000,"in-octets-stats-value": 1198686,"low-threshold": 500000000,"tandIngestTimestamp": 1598000420980343300,"tandTimeOffset": "644.139777ms"}}
```
CH expectation:
```
{"device": "10.84.130.44","topic": "external","fiel... | 2020-08-24T23:32:59 | 2020-08-24T23:32:59 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,917,032 | 12,741 | filimonov | Now it fails with distributed :\
I've updated the test case: https://gist.github.com/filimonov/c84f48f91c155ab6afb91af33f49b084 | 2020-08-25T09:33:38 | 2020-08-25T09:33:38 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,140,510 | 13,978 | filimonov | > For all written parts in partitions at once:
> - commit parts in memory ....
> - if zookeeper is unavailable and offline inserts are not permitted, rollback commits
It looks like there is an 'dirty read' / transaction isolation issue here.
I.e. part will be available for selects before quorum will be archived f... | 2020-08-24T13:54:44 | 2020-08-24T13:55:25 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,175,963 | 12,599 | alesapin | Closed in favor of https://github.com/ClickHouse/ClickHouse/pull/14001 | 2020-08-24T14:54:49 | 2020-08-24T14:54:49 | {} | MEMBER |
ClickHouse | ClickHouse | 679,200,628 | 13,991 | liangli1213 | @zhang2014 , I got the log snippet from clickhouse-server.err.log, that is the only 3 log from it for (before, after and during create MaterializeMySQL database), the previous one is 1 hour ago (I believe it has no relationship with the error)
name table schema:
![image](https://user-images.githubusercontent.com/69... | 2020-08-24T15:34:18 | 2020-08-24T15:34:18 | {} | NONE |
ClickHouse | ClickHouse | 679,205,520 | 13,991 | liangli1213 | @zhang2014 the log level is trace, no need to change to debug.
`<level>trace</level>`
| 2020-08-24T15:42:58 | 2020-08-24T15:42:58 | {} | NONE |
ClickHouse | ClickHouse | 679,350,787 | 13,576 | myrrc | Closed by #12550 | 2020-08-24T20:32:45 | 2020-08-24T20:32:45 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,814,321 | 13,923 | Slach | @blinkov could you look this PR again?
look like `docscheck` passed now | 2020-08-25T06:14:05 | 2020-08-25T06:14:05 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,978,237 | 13,956 | excitoon | We shall not merge that for a while, I have few failing tests on my local machine. | 2020-08-25T11:53:26 | 2020-08-25T11:53:26 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,147,256 | 13,978 | alexey-milovidov | > It looks like there is an 'dirty read' / transaction isolation issue here.
I.e. part will be available for selects before quorum will be archived for that.
These parts can be filtered on select with settings similar to `select_sequential_consistency` setting.
| 2020-08-24T14:04:09 | 2020-08-24T14:04:09 | {} | MEMBER |
ClickHouse | ClickHouse | 679,183,359 | 13,093 | akuzm | The tests are not worse than 20.3, so it looks OK to merge. | 2020-08-24T15:05:30 | 2020-08-24T15:05:30 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 673,724,759 | 13,688 | it1804 | and new redis source option "password", e.g.
`<source>
<redis>
<host>localhost</host>
<port>6379</port>
<password>test pass</password>
<storage_type>hash_map</storage_type>
</redis>
</source>
`
Tested:
Redis 6.0.6 and Clickhouse 19.16.17.1... | 2020-08-13T21:41:52 | 2020-08-25T06:49:56 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 680,017,309 | 14,046 | jmalicevic | Hi @den-crane ,
Approximately 3600 bytes/message (~600 fields with 4 or 8 bytes). I will check out the issue you linked, thanks a lot. If this number rings any new bells, let me know, and I'll write an update once I experiment with a few settings.
| 2020-08-25T13:14:17 | 2020-08-25T13:14:17 | {} | NONE |
ClickHouse | ClickHouse | 679,173,872 | 11,809 | alesapin | I've just reviewed this PR. The idea is clear, but the implementation is not very useful and exists only for non-replicated MergeTree. First of all, users don't care about parts and especially their `mtime`. So perform recompressing using `mtime` may be useful in a very limited number of cases. I think a much more usef... | 2020-08-24T14:51:18 | 2020-08-24T15:45:46 | {} | MEMBER |
ClickHouse | ClickHouse | 679,229,590 | 13,450 | alesapin | Doesn't affect performance. | 2020-08-24T16:23:00 | 2020-08-24T16:23:00 | {} | MEMBER |
ClickHouse | ClickHouse | 679,311,755 | 13,980 | alexey-milovidov | Now all stress tests finished correctly.
I've checked the logs and found that in 3 of 4 runs, the server was in processlist after successful STOP and cannot start immediately. But our tweaks helped. | 2020-08-24T19:09:32 | 2020-08-24T20:09:17 | {} | MEMBER |
ClickHouse | ClickHouse | 679,856,594 | 10,607 | vladimir-golovchenko | @ramazanpolat I get the same exception for version 20.6.4.44. It looks like need to add the bug. | 2020-08-25T07:32:16 | 2020-08-25T07:32:16 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 680,005,235 | 14,047 | 4ertus2 | Related to #14044 | 2020-08-25T12:51:19 | 2020-08-25T12:51:19 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,193,185 | 14,008 | zhang2014 | Maybe you can try:
```sql
CREATE DATABASE mysql_db ENGINE = MySQL('127.0.0.1:3306', 't', 'root', 'A123b_456');
``` | 2020-08-24T15:22:00 | 2020-08-24T15:22:00 | {
"+1": 1,
"hooray": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,236,727 | 13,687 | akuzm | https://proxy.sandbox.yandex-team.ru/1678184909/test_run.txt.out.log
([here is a copy of the log in case it's not accessible](https://pastebin.com/raw/BtYfyJ95))
The PVS studio failure is related to the changes. The docker command to run it is like this:
```
docker run --volume=<full-path-to-clickhouse-reposito... | 2020-08-24T16:36:19 | 2020-08-24T16:49:38 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,426,981 | 14,008 | l1t1 | it works, thank, but why? is the document's content wrong?
```
VM_0_52_centos :) CREATE DATABASE mysql_db ENGINE = MySQL('127.0.0.1:3306', 't', 'root', 'A123b_456');
CREATE DATABASE mysql_db
ENGINE = MySQL('127.0.0.1:3306', 't', 'root', 'A123b_456')
Ok.
0 rows in set. Elapsed: 0.094 sec.
``` | 2020-08-25T00:06:10 | 2020-08-25T00:06:10 | {
"+1": 1
} | NONE |
ClickHouse | ClickHouse | 679,442,270 | 13,875 | mjodeh | {f783d746-ab20-43c9-ba2a-14e61628bca7} <Error> executeQuery: Code: 241, e.displayText() = DB::Exception: Memory limit (total) exceeded: would use 26.08 GiB (attempt to allocate chunk of 4502728 bytes), maximum: 26.08 GiB (version 20.3.17.173 (official build)) (from 10.10.104.120:46452) (in query: INSERT INTO .... FORMA... | 2020-08-25T01:03:42 | 2020-08-25T01:03:42 | {} | NONE |
ClickHouse | ClickHouse | 679,459,081 | 13,360 | mjodeh | is there any way to access the merge tasks queue and the current real parts that need to be merged? since in `system.merges` it shows only 16 tasks at maximum with there related `num_parts` | 2020-08-25T02:06:33 | 2020-08-25T02:06:33 | {} | NONE |
ClickHouse | ClickHouse | 679,837,620 | 14,017 | alesapin | `01412_cache_dictionary_race` -- not related to changes. | 2020-08-25T06:47:17 | 2020-08-25T06:47:17 | {} | MEMBER |
ClickHouse | ClickHouse | 679,841,108 | 14,015 | alesapin | `Server failed to start` not related to changes. | 2020-08-25T06:56:01 | 2020-08-25T06:56:01 | {} | MEMBER |
ClickHouse | ClickHouse | 679,847,962 | 14,027 | alesapin | Wow, segmentation fault in stress test:
```
2020.08.25 01:50:27.115084 [ 424290 ] {2a3af3c4-7696-423e-99b3-5a8cab806068} <Debug> executeQuery: (from [::1]:56776) DROP TABLE test_lazy_01294_concurrent_test_dfrfvg.tlog;
2020.08.25 01:50:27.115511 [ 424290 ] {2a3af3c4-7696-423e-99b3-5a8cab806068} <Debug> DatabaseLazy... | 2020-08-25T07:12:35 | 2020-08-25T07:12:52 | {} | MEMBER |
ClickHouse | ClickHouse | 679,848,370 | 13,991 | liangli1213 | By the way, I use rpm to install clickhouse, as follows:
[root@bdc-clickhouse clickhouse-server]# rpm -aq | grep clickhouse
clickhouse-server-20.8.1.4447-2.noarch
clickhouse-client-20.8.1.4447-2.noarch
clickhouse-common-static-20.8.1.4447-2.x86_64 | 2020-08-25T07:13:34 | 2020-08-25T07:13:34 | {} | NONE |
ClickHouse | ClickHouse | 679,202,599 | 13,991 | liangli1213 | @zhang2014 , OK, let me try. | 2020-08-24T15:37:48 | 2020-08-24T15:37:48 | {} | NONE |
ClickHouse | ClickHouse | 679,323,646 | 13,847 | akuzm | * ast fuzzer failure -- cannot reproduce
* yandex synchronization check -- was broken exactly in the same way in master at that moment.
Will merge now. | 2020-08-24T19:34:02 | 2020-08-24T19:34:13 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,471,430 | 13,964 | zhang2014 | `Performance — 3 errors, 3 too long, 7 faster, 10 slower, 679 unstable` unrelated this PR. | 2020-08-25T02:52:20 | 2020-08-25T02:52:20 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 679,508,291 | 13,593 | toby080508050805 | After add limit of clickhouse thread's in linux. This issue has been fixed. | 2020-08-25T03:22:12 | 2020-08-25T03:22:12 | {} | NONE |
ClickHouse | ClickHouse | 679,935,866 | 13,027 | millin | Issue still persists in 20.6.4.44 | 2020-08-25T10:13:36 | 2020-08-25T10:13:36 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 662,906,519 | 12,667 | MisterTimn | I have re-installed CH completely and re initiated our tables, now its working.
I think we might have run into an issue because our first setup was 3 shards 2 replicas and we scaled that down to 3 shards 1 replica (because we are just running a small test setup for now). But I'm unsure...
However when I `select d... | 2020-07-23T09:23:19 | 2020-07-23T09:23:19 | {} | NONE |
ClickHouse | ClickHouse | 662,906,600 | 11,501 | jeanatpi | @andrea-s seems we have kind of the same use case. Mine is future days data needs to be updated daily (hotel reservations).
For now I'm on the CollapsingMergeTree approach.
Also tested mutations for the delete with the SET mutations_sync=2 settings. But I think it's not a good idea as it can take too much time fo... | 2020-07-23T09:23:31 | 2020-07-23T09:23:31 | {} | NONE |
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