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 | 435,004,451 | 3,472 | ztlpn | Будут ещё вопросы - открывайте новую issue. | 2018-11-01T10:52:30 | 2018-11-01T10:52:30 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 435,014,003 | 3,198 | splichy | Try `setcap cap_net_admin=-ep /usr/bin/clickhouse`
NETLINK is used for 'collecting metrics from kernel'
We got too many open files when we added net_admin caps for clickhouse binary. We are using kafka too. | 2018-11-01T11:35:44 | 2018-11-01T11:35:44 | {} | NONE |
ClickHouse | ClickHouse | 435,080,097 | 3,451 | alexey-milovidov | Even halfMD5 is switched to intHash for integers. This is totally wrong. Will fix. | 2018-11-01T15:34:06 | 2018-11-01T15:34:06 | {} | MEMBER |
ClickHouse | ClickHouse | 435,120,935 | 3,294 | alexey-milovidov | There are no differences between this PR and master. | 2018-11-01T17:34:19 | 2018-11-01T17:34:19 | {} | MEMBER |
ClickHouse | ClickHouse | 436,349,352 | 3,145 | den-crane | ClickHouse server version 18.14.12
create table t(a Int64, b Int64, c String) engine = TinyLog;
insert into t values(1,1,'a'),(2,2,'b');
create table s(a Int64, b Int64, c String) engine = TinyLog;
insert into s values(1,1,'a');
CORRECT
```
select t.*,s.a sa, s.b sb, s.c sc from t all left join s on (s.a = t... | 2018-11-06T18:02:52 | 2018-11-06T18:09:42 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 434,327,580 | 3,497 | Jack012a | Hello Den,
Here is the directories listed on my machine for default.MyTable.
$ ls -l | grep 20181025
drwxr-x--- 2 clickhouse clickhouse 36 Oct 26 05:41 20181025_71037_71100_3
drwxr-x--- 2 clickhouse clickhouse 36 Oct 26 04:41 20181025_71101_71171_3
drwxr-x--- 2 clickhouse clickhouse 36 Oct 26 04:44 20181025_71... | 2018-10-30T14:39:59 | 2018-10-30T14:41:27 | {} | NONE |
ClickHouse | ClickHouse | 434,579,098 | 2,609 | alexey-milovidov | Yes, I am going to continue. | 2018-10-31T06:45:30 | 2018-10-31T06:45:30 | {} | MEMBER |
ClickHouse | ClickHouse | 434,604,628 | 3,498 | alesapin | @den-crane Thanks for help) | 2018-10-31T08:41:28 | 2018-10-31T08:41:28 | {} | MEMBER |
ClickHouse | ClickHouse | 434,657,469 | 3,505 | alesapin | `00646_url_engine` failed in travis -- flap | 2018-10-31T11:48:18 | 2018-10-31T11:48:18 | {} | MEMBER |
ClickHouse | ClickHouse | 435,041,671 | 3,512 | lapkofear | It would be great to find out the root cause | 2018-11-01T13:31:31 | 2018-11-01T13:31:31 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 435,122,615 | 3,252 | alexey-milovidov | We have not concluded whether this possibility safe and whether it makes any sense.
| 2018-11-01T17:39:34 | 2018-11-01T17:39:34 | {} | MEMBER |
ClickHouse | ClickHouse | 435,397,764 | 3,530 | alesapin | failed test `00411_long_accurate_number_comparison` | 2018-11-02T14:28:06 | 2018-11-02T14:28:06 | {} | MEMBER |
ClickHouse | ClickHouse | 435,834,446 | 3,528 | Mostafa86 | @alexey-milovidov Please find below the table definition
```
create table "events" (
"app_id" Nullable(FixedString(255)),
"platform" Nullable(FixedString(255)),
"etl_tstamp" Nullable(TIMESTAMP),
"collector_tstamp" TIMESTAMP,
"dvce_tstamp" ... | 2018-11-05T10:56:49 | 2018-11-05T10:56:49 | {} | NONE |
ClickHouse | ClickHouse | 436,210,526 | 3,534 | KochetovNicolai | 00747_contributors | 2018-11-06T10:47:39 | 2018-11-06T10:47:39 | {} | MEMBER |
ClickHouse | ClickHouse | 434,302,288 | 3,495 | den-crane | Check enable_optimize_predicate_expression.
ClickHouse client version 18.12.14.
Connecting to localhost:9000.
Connected to ClickHouse server version 18.12.14 revision 54407.
create table t (a Int8, val Float32) engine=Memory();
insert into t values(1,1.1), (1,1.2), (2,2.1);
SELECT
*
FROM (
SELECT a, t1... | 2018-10-30T13:33:43 | 2018-10-30T13:43:18 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 434,725,339 | 1,566 | alesapin | https://github.com/yandex/ClickHouse/pull/3504 | 2018-10-31T15:12:08 | 2018-10-31T15:12:08 | {
"+1": 1
} | MEMBER |
ClickHouse | ClickHouse | 434,823,339 | 2,460 | constantOut | I've found out that the problem is related to the fact that I used CollapsingMergeTree and didn't use FINAL modifier on select while inserting. | 2018-10-31T19:47:34 | 2018-10-31T19:47:34 | {} | NONE |
ClickHouse | ClickHouse | 436,541,019 | 3,548 | blinkov | There are few active ClickHouse users/contributors from China who volunteered to help reviewing docs translation. So yes, just modify, open pull request and we'll ask them to take a look.
Keep in mind that there are symlinks in zh folder for articles without any translation, so to translate them you need to remove ... | 2018-11-07T08:18:34 | 2018-11-07T08:18:34 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 434,315,146 | 3,497 | den-crane | The partition in fact is not dropped (and the data is still on disk).
The partition will appear after CH restart or table detach/attach.
I observe this on CH 1.1.54394 | 2018-10-30T14:08:16 | 2018-10-30T14:09:02 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 434,327,441 | 3,499 | den-crane | The same server, downgrade to ClickHouse version 18.10.3.
select 1 from xxxx where row like '%test:0%'
**0 rows in set. Elapsed: 0.686 sec. Processed 100.00 thousand rows, 4.69 GB (145.68 thousand rows/s., 6.83 GB/s.)**
@KochetovNicolai is it somehow connected to LowCardinality ? | 2018-10-30T14:39:38 | 2018-10-30T15:52:57 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 435,019,592 | 3,513 | amosbird | I have stateful table functions that don't get cleaned up until another query is submitted in the same TCP client. | 2018-11-01T12:01:17 | 2018-11-01T12:01:17 | {} | COLLABORATOR |
ClickHouse | ClickHouse | 435,047,583 | 3,489 | alexey-milovidov | Confirmed.
Client does formatting of data, but it does not receive default settings from the server.
You can also add this setting to the client configuration file (in root level). | 2018-11-01T13:53:45 | 2018-11-01T13:53:45 | {} | MEMBER |
ClickHouse | ClickHouse | 435,117,236 | 3,359 | alexey-milovidov | Please open another pull request if you want. | 2018-11-01T17:23:21 | 2018-11-01T17:23:21 | {} | MEMBER |
ClickHouse | ClickHouse | 435,118,963 | 3,334 | alexey-milovidov | Missing test. Please also add a test with `arrayJoin` function. I expect that it is not fixed. | 2018-11-01T17:28:45 | 2018-11-01T17:28:45 | {} | MEMBER |
ClickHouse | ClickHouse | 435,370,726 | 3,350 | alex-krash | @alexey-milovidov, yeah, I am finishing.
There is just one strange bug. I am measuring the performance of different implementations, and when using AVX2 and string length multiple 32, it causes crash. If I fail to debug, will ask for your assistance. | 2018-11-02T12:57:43 | 2018-11-02T12:57:43 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 435,896,182 | 3,538 | den-crane | So the error is in jdbc driver not in CH https://github.com/yandex/clickhouse-jdbc
java.sql.SQLFeatureNotSupportedException
ru.yandex.clickhouse.ClickHousePreparedStatementImpl.setCharacterStream(ClickHousePreparedStatementImpl.java:427
| 2018-11-05T14:33:38 | 2018-11-05T14:33:38 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 436,497,711 | 3,212 | champtar | Fixed in master, thanks @KochetovNicolai | 2018-11-07T04:04:41 | 2018-11-07T04:04:41 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 434,652,159 | 3,503 | alesapin | failed test `stateless.00747_contributors` | 2018-10-31T11:27:26 | 2018-10-31T11:27:26 | {} | MEMBER |
ClickHouse | ClickHouse | 434,814,111 | 3,509 | ztlpn | Fixed by #3505 | 2018-10-31T19:18:08 | 2018-10-31T19:18:08 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 435,032,552 | 3,512 | alexey-milovidov | I have successfully reproduced this issue. | 2018-11-01T12:57:05 | 2018-11-01T12:57:05 | {} | MEMBER |
ClickHouse | ClickHouse | 435,269,061 | 3,143 | vavrusa | It looks like there's still issues with memory tracker in 18.14.11-stable, I suspect the memory is allocated in queries but ends up being freed elsewhere, hence the discrepancy:
```
SELECT
metric,
formatReadableSize(value)
FROM system.metrics
WHERE metric LIKE 'Memory%'
┌─metric───────────────────... | 2018-11-02T04:38:28 | 2018-11-02T04:38:28 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 435,567,300 | 3,536 | qqiangwu | The commit is aimed to solve two concurrent removing problem which will crash the program when running clickhouse in NFS.
# Concurrent removing tmp_delete_xxx
```
2018.11.01 10:23:24.867331 [ 21 ] {} <Debug> view.table1 (Data): Removing part from filesystem 20181001_20181005_38261_44832_34
…
2018.11.01 10:23:24.... | 2018-11-03T07:29:52 | 2018-11-03T07:33:20 | {} | NONE |
ClickHouse | ClickHouse | 436,021,653 | 3,539 | tkroman | @kshvakov can you pls review this? | 2018-11-05T20:22:28 | 2018-11-05T20:22:28 | {} | NONE |
ClickHouse | ClickHouse | 436,236,798 | 3,521 | KochetovNicolai | Everything else seems ok to me. | 2018-11-06T12:32:26 | 2018-11-06T12:32:26 | {} | MEMBER |
ClickHouse | ClickHouse | 436,498,885 | 3,227 | champtar | Result is now ok on master, but really slow
```
↘ Progress: 1.00 million rows, 12.00 MB (9.47 million rows/s., 113.63 MB/s.)
┌────a─┬─count()─┐
│ 6019 │ 1 │
└──────┴─────────┘
1 rows in set. Elapsed: 53.215 sec. Processed 1.00 million rows, 12.00 MB (18.79 thousand rows/s., 225.50 KB/s.)
```
don't kno... | 2018-11-07T04:12:25 | 2018-11-07T04:12:45 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 434,333,129 | 3,498 | den-crane | >and the other two contains no data.
Seems you do not use replicated tables so your replicas do not have data at all, or replication does not work because of misconfiguration.
If you did not use zookeeper and Replicated* table Engines you should set internal_replication = false and insert data via the distributed ... | 2018-10-30T14:53:49 | 2018-10-30T14:53:49 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 434,686,086 | 3,250 | nadarkathiresh | Hi Alexey,
I have been using the Log Table engine as it was perfect for my use case. Will try MergeTree & see if the problem persists.
In case of Log table how do we recover the table, as i was not able to recover it & had to re create the table again.
| 2018-10-31T13:27:26 | 2018-10-31T13:27:26 | {} | NONE |
ClickHouse | ClickHouse | 435,056,000 | 3,515 | den-crane | >CREATE TABLE collectd.cpu_idle
...
>every ~minute for every table:
What does it mean? Do you have a table per metric? How many tables do you have? | 2018-11-01T14:22:54 | 2018-11-01T14:22:54 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 436,339,762 | 3,465 | alesapin | Now we have to merge tests for distributed_ddl to single test. | 2018-11-06T17:33:37 | 2018-11-06T17:33:47 | {} | MEMBER |
ClickHouse | ClickHouse | 436,482,111 | 167 | charmingcode | > ALTER UPDATE feature has been released in v18.12.14.
why do not master contain the code of ApplyingMutationsBlockInputStream? | 2018-11-07T02:29:24 | 2018-11-07T02:29:53 | {} | NONE |
ClickHouse | ClickHouse | 436,585,529 | 3,546 | proller | fix : https://github.com/yandex/ClickHouse/pull/3545/files#diff-bc4722bf5d3b20b34d99c8dfb48f87f7R588 | 2018-11-07T10:55:37 | 2018-11-07T10:55:37 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 434,336,750 | 3,497 | den-crane | I am not sure you are experiencing the same issue, I just tried to warn you.
I have no workaround and I did not research this issue.
Try to stop load into your table and execute detach table MyTable; attach table MyTable; and check the partitions. | 2018-10-30T15:02:24 | 2018-10-30T15:02:38 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 434,350,992 | 3,497 | Jack012a | Hello all,
Can I directly delete those partition directories(i.e. 20181025_x_y) from the disk without causing issues?
Thank you | 2018-10-30T15:37:24 | 2018-10-30T15:37:24 | {} | NONE |
ClickHouse | ClickHouse | 434,424,053 | 1,861 | fokkoru |
Also, OPTIMIZE TABLE
```
ClickHouse client version 18.14.10.
Connecting to localhost:9000.
Connected to ClickHouse server version 18.14.10 revision 54409.
prusech001 :) OPTIMIZE TABLE r0.events;
OPTIMIZE TABLE r0.events
Received exception from server (version 18.14.10):
Code: 194. DB::Exception: Receive... | 2018-10-30T18:47:25 | 2018-10-30T18:47:25 | {} | NONE |
ClickHouse | ClickHouse | 435,013,347 | 3,513 | alexey-milovidov | Ok.
Could you please tell in more detail, what is the affected case? | 2018-11-01T11:32:37 | 2018-11-01T11:32:37 | {} | MEMBER |
ClickHouse | ClickHouse | 435,057,633 | 3,515 | alexey-milovidov | > Right now we are collecting 243 metrics from 35 devices every 5 minutes so it's only about 10k records per table per day, but we wanted to collect metrics from from hundreds of thousands devices but this looks like show stopper.
When you will have more data in one table, it will spent less time in background merge... | 2018-11-01T14:28:06 | 2018-11-01T14:28:06 | {} | MEMBER |
ClickHouse | ClickHouse | 435,079,719 | 3,515 | splichy | OK, we will try it again with putting everything in one big table, I will let you know. | 2018-11-01T15:32:54 | 2018-11-01T15:32:54 | {} | NONE |
ClickHouse | ClickHouse | 435,791,525 | 3,490 | lapkofear | Temporary fix has been merged. Further investigation of the root cause is required. | 2018-11-05T08:29:07 | 2018-11-05T08:29:07 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 435,829,016 | 3,490 | alexey-milovidov | This will reproduce this issue even harder:
`./clickhouse benchmark <<< 'SELECT 1 FROM test.perf_test GROUP BY toUInt16(intHash64(rand() % 10))'` | 2018-11-05T10:36:59 | 2018-11-05T10:36:59 | {} | MEMBER |
ClickHouse | ClickHouse | 435,899,479 | 3,528 | alexey-milovidov | FixedString is only for fixed size data.
URL is not a fixed size string.
There is absolutely no reason to use `FixedString(2000000)`.
`String` will be more compact, more convenient **and** more performant. | 2018-11-05T14:43:21 | 2018-11-05T14:43:21 | {} | MEMBER |
ClickHouse | ClickHouse | 435,900,538 | 3,490 | alexey-milovidov | Reproduced with a simple test case.
https://github.com/yandex/ClickHouse/commit/89f4c6a36f49c74a92856f4beb4c681e1ac35005 | 2018-11-05T14:46:14 | 2018-11-05T14:46:14 | {} | MEMBER |
ClickHouse | ClickHouse | 436,645,668 | 3,546 | proller | Fixed and tested and commited:
https://github.com/yandex/ClickHouse/commit/bb1dafd2b32a3fad288f0d31c0d45d6cdea44f4a
https://github.com/yandex/ClickHouse/commit/9a98b80cf8eafba1ada1baf565d5a1d7bfb93cd5 | 2018-11-07T14:43:19 | 2018-11-07T14:43:19 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 434,407,897 | 1,861 | fokkoru | My default user has the password, but I cannot remove the partition
```
ClickHouse client version 18.14.10.
Connecting to localhost:9000.
Connected to ClickHouse server version 18.14.10 revision 54409.
prusech001 :) ALTER TABLE r0.events DROP PARTITION '2018-03-12';
ALTER TABLE r0.events
DROP PARTITION ... | 2018-10-30T18:01:17 | 2018-10-30T18:01:17 | {} | NONE |
ClickHouse | ClickHouse | 434,688,842 | 3,507 | den-crane | I suppose new datatypes can be implemented -- Date64, DateTime128 :) | 2018-10-31T13:35:03 | 2018-10-31T13:35:03 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 434,813,726 | 2,460 | constantOut | Hello guys, I have very similar problem with INSERT FROM SELECT.
I've decided to experiment with partitioning effect on performance so I needed to copy data to partitioned table and found that some data is lost. I've decided to make a test with exactly same schema for the target schema as a source table has. For some ... | 2018-10-31T19:16:55 | 2018-10-31T19:47:43 | {} | NONE |
ClickHouse | ClickHouse | 435,428,579 | 3,162 | alesapin | Repoduced issue with test https://github.com/yandex/ClickHouse/pull/3534/files | 2018-11-02T16:02:12 | 2018-11-02T16:02:12 | {} | MEMBER |
ClickHouse | ClickHouse | 434,582,409 | 1,566 | alesapin | I forgot to turn on this setting by default. | 2018-10-31T07:03:25 | 2018-10-31T07:03:25 | {} | MEMBER |
ClickHouse | ClickHouse | 435,011,113 | 3,483 | filimonov | Some notice if you run clickhouse-server as a system service you need to setup env in a way it will be visible for system service. | 2018-11-01T11:22:21 | 2018-11-01T11:22:21 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 435,028,842 | 3,512 | alexey-milovidov | Yes, really strange.
For this hash table, `end()` is just `buf + 65536`.
Also it's strange that it is calculated on every interation.
I have a testing server on AMD EPYC and I will try to reproduce.
| 2018-11-01T12:42:17 | 2018-11-01T12:42:17 | {} | MEMBER |
ClickHouse | ClickHouse | 435,371,550 | 3,529 | madm1keru | ClickHouse server version 18.14.11 revision 54409.
| 2018-11-02T13:00:26 | 2018-11-02T13:00:26 | {} | NONE |
ClickHouse | ClickHouse | 434,328,574 | 3,490 | MykhailoSobol | Flame Graphs
`perf record -F 99 -p <pid> -g -- sleep <time>`
amd tme = 30s
intell time = 5s
[amd__slow.svg.zip](https://github.com/yandex/ClickHouse/files/2530057/amd__slow.svg.zip)
[intell__fast.svg.zip](https://github.com/yandex/ClickHouse/files/2530058/intell__fast.svg.zip) | 2018-10-30T14:42:30 | 2018-10-30T14:43:05 | {} | NONE |
ClickHouse | ClickHouse | 434,339,709 | 3,498 | Tasselmi | > > and the other two contains no data.
>
> Seems you do not use replicated tables so your replicas do not have data at all, or replication does not work because of misconfiguration.
> If you did not use zookeeper and Replicated* table Engines you should set internal_replication = false and insert data via the dist... | 2018-10-30T15:09:58 | 2018-10-30T15:09:58 | {} | NONE |
ClickHouse | ClickHouse | 434,652,290 | 3,504 | alesapin | Failed test `stateless.00747_contributors` | 2018-10-31T11:27:58 | 2018-10-31T11:27:58 | {} | MEMBER |
ClickHouse | ClickHouse | 434,963,889 | 3,479 | alesapin | If you have other questions related to the you can reopen issue. | 2018-11-01T08:03:55 | 2018-11-01T08:03:55 | {} | MEMBER |
ClickHouse | ClickHouse | 435,117,536 | 3,350 | alexey-milovidov | @alex-krash Only minor changes required. | 2018-11-01T17:24:23 | 2018-11-01T17:24:23 | {} | MEMBER |
ClickHouse | ClickHouse | 435,801,059 | 3,526 | submergerock | ReplicatedMergeTree using drop,delete.using jdbc batch insert.select the table,i found the table lose date。The two dataset is the same.
| 2018-11-05T09:02:16 | 2018-11-05T09:02:16 | {} | NONE |
ClickHouse | ClickHouse | 435,816,271 | 3,490 | alexey-milovidov | - we have allocated a buffer with 1 MB of memory (65536 cells of 16 bytes);
- we have written to a single cell in this buffer while we aggregated data;
- then we iterate through this buffer and compare a key in each cell to zero;
- most of the buffer is not page-faulted (not really allocated, does not point to physi... | 2018-11-05T09:53:43 | 2018-11-05T09:53:43 | {} | MEMBER |
ClickHouse | ClickHouse | 436,499,811 | 3,256 | champtar | This is not fixed in master yet (86a4c950488eb23580eb6efeb7fce1f816a27536)
```
↘ Progress: 1.00 million rows, 12.00 MB (9.47 million rows/s., 113.63 MB/s.)
┌────a─┬─count()─┐
│ 6019 │ 1 │
└──────┴─────────┘
1 rows in set. Elapsed: 53.215 sec. Processed 1.00 million rows, 12.00 MB (18.79 thousand rows/s.,... | 2018-11-07T04:18:46 | 2018-11-07T04:18:46 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 436,505,652 | 3,256 | champtar | This is specific to LowCardinality Nullable
```
CREATE TABLE test_null_float (a Nullable(Float64)) ENGINE = Memory;
INSERT INTO test_null_float (a) SELECT number FROM system.numbers LIMIT 1000000;
SELECT a, count() FROM test_null_float GROUP BY a ORDER BY count() LIMIT 1;
┌─a─┬─count()─┐
│ 0 │ 1 │
└───┴───... | 2018-11-07T05:02:03 | 2018-11-07T05:02:03 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 436,580,507 | 3,527 | 4ertus2 | #3526 | 2018-11-07T10:37:33 | 2018-11-07T10:37:33 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 434,473,909 | 3,470 | filimonov | > better to return an error, or 0000-00-00 00:00:00 instead of 1970-01-01 06:28:17
Yes, it's a bug. | 2018-10-30T21:19:47 | 2018-10-30T21:19:47 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 434,700,347 | 3,488 | filimonov | > > Dropping the column and adding the new one with the same name should work.
>
> @filimonov Thanks，but the data already existed would be lost. This would be the last option I choose.
OK. I've misunderstood your first sentence: 'modify column with empty value'.
On older versions you can try some workarounds l... | 2018-10-31T14:06:53 | 2018-10-31T14:06:53 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 434,984,511 | 3,502 | ztlpn | Спасибо! | 2018-11-01T09:32:52 | 2018-11-01T09:32:52 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 435,568,677 | 3,528 | Mostafa86 | This is somehow related to using FixedString. Using String instead fixes the issue. | 2018-11-03T07:56:54 | 2018-11-03T07:56:54 | {} | NONE |
ClickHouse | ClickHouse | 435,652,520 | 3,512 | alexey-milovidov | I have merged this PR, but we need to investigate further, this is TODO. | 2018-11-04T09:54:14 | 2018-11-04T09:54:14 | {} | MEMBER |
ClickHouse | ClickHouse | 436,544,611 | 3,546 | trK54Ylmz | Same problem | 2018-11-07T08:31:19 | 2018-11-07T08:31:19 | {} | NONE |
ClickHouse | ClickHouse | 436,616,434 | 3,546 | aleh-null | @proller
Tried to build from PR same issue in a different place
```
In file included from ../dbms/src/DataTypes/IDataType.h:6,
from ../dbms/src/Core/NamesAndTypes.h:9,
from ../dbms/src/Interpreters/Context.h:16,
from ../dbms/src/Interpreters/DDLWorker.h:2,
... | 2018-11-07T13:06:07 | 2018-11-07T13:06:19 | {} | NONE |
ClickHouse | ClickHouse | 434,343,605 | 3,498 | den-crane | If you do not use Zookeeper and ReplicatedMergeTree table engines you MUST set internal_replication = false.
https://clickhouse.yandex/docs/en/operations/table_engines/distributed/
_If it is set to 'false' (the default), data is written to all replicas. In essence, this means that the Distributed table replicates d... | 2018-10-30T15:19:31 | 2018-10-30T15:19:31 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 434,345,551 | 3,498 | Tasselmi | > If you do not use Zookeeper and ReplicatedMergeTree table engines you MUST set internal_replication = false.
>
> https://clickhouse.yandex/docs/en/operations/table_engines/distributed/
> _If it is set to 'false' (the default), data is written to all replicas. In essence, this means that the Distributed table repl... | 2018-10-30T15:24:09 | 2018-10-30T15:24:32 | {} | NONE |
ClickHouse | ClickHouse | 434,696,038 | 3,507 | filimonov | > I suppose new datatypes can be implemented -- Date64, DateTime128 :)
it's not so easy as Clickhouse uses lookup tables for date time manipulations (like one record per day), to fill such a lookup table for Date64 a lot of memory can be needed... :)
Probably the most straight-ahead way is to store timestamps a... | 2018-10-31T13:55:48 | 2018-10-31T13:57:09 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 435,034,266 | 3,512 | alexey-milovidov | I have no sudo on the server with AMD EPYC, will wait... | 2018-11-01T13:03:43 | 2018-11-01T13:03:43 | {} | MEMBER |
ClickHouse | ClickHouse | 435,616,753 | 3,528 | alexey-milovidov | What is your table definition? What is the size of the FixedString column? | 2018-11-03T20:02:24 | 2018-11-03T20:02:24 | {} | MEMBER |
ClickHouse | ClickHouse | 434,665,803 | 3,506 | den-crane | https://github.com/yandex/ClickHouse/issues/3149
try to enable_optimize_predicate_expression = 0 and restart CH. | 2018-10-31T12:18:49 | 2018-10-31T12:18:49 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 435,369,227 | 3,526 | den-crane | this is insert deduplication works with Replicated* #2712 | 2018-11-02T12:53:02 | 2018-11-02T12:53:53 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 436,542,307 | 3,548 | blinkov | Actually they are @zhang2014 @sundy-li maybe there's some work in progress, so you might coordinate in advance to avoid translating content twice. | 2018-11-07T08:23:28 | 2018-11-07T08:23:28 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 434,327,737 | 3,470 | ghuname | I understand what you are telling me, but it would be better to return an error, or 0000-00-00 00:00:00 instead of 1970-01-01 06:28:17 for GMT +1 time zone.
Anyway, thank you for clarification. | 2018-10-30T14:40:24 | 2018-10-30T14:40:24 | {
"+1": 1
} | NONE |
ClickHouse | ClickHouse | 434,953,899 | 3,490 | lapkofear | Added pull request https://github.com/yandex/ClickHouse/pull/3512 | 2018-11-01T07:16:27 | 2018-11-01T07:16:27 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 435,078,939 | 3,515 | splichy | @den-crane Yes, we have table per metric, so 243 tables. During POC phase we have tried to put everything in one table, but performace on SELECT was worse compared with table per metric. | 2018-11-01T15:30:43 | 2018-11-01T15:30:43 | {} | NONE |
ClickHouse | ClickHouse | 435,089,133 | 3,515 | den-crane | > @den-crane Yes, we have table per metric, so 243 tables. During POC phase we have tried to put everything in one table, but performace on SELECT was worse compared with table per metric.
I am not sure about right way (never used graphite), but I saw previously that people combine host+metric+ into on UInt64 so it ... | 2018-11-01T15:59:23 | 2018-11-01T16:03:19 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 435,550,350 | 3,526 | submergerock | I found the following line in this ‘Settings.h’.
(SettingBool, insert_deduplicate, true, "For INSERT queries in the replicated table, specifies that deduplication of insertings blocks should be preformed").
Where is ‘insert_deduplicate‘’ configured?，users.xml,config.xml ? | 2018-11-03T01:28:00 | 2018-11-03T01:28:00 | {} | NONE |
ClickHouse | ClickHouse | 436,221,266 | 3,509 | ztlpn | fix is in v18.14.12 | 2018-11-06T11:28:46 | 2018-11-06T11:28:46 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 436,501,109 | 3,256 | champtar | ```
2018.11.07 04:24:02.903962 [ 27 ] {adf490a5-8ba5-4d26-9aa6-566a5588a7e5} <Debug> executeQuery: (from [::ffff:127.0.0.1]:53854) SELECT a, count() FROM test_low_null_float GROUP BY a ORDER BY count() LIMIT 1
2018.11.07 04:24:02.905297 [ 27 ] {adf490a5-8ba5-4d26-9aa6-566a5588a7e5} <Trace> InterpreterSelectQuery: Fet... | 2018-11-07T04:28:16 | 2018-11-07T04:28:16 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 435,020,433 | 1,118 | BlackEric001 | Could you tell, when you implement explain query plan? | 2018-11-01T12:05:09 | 2018-11-01T12:05:09 | {} | NONE |
ClickHouse | ClickHouse | 435,130,020 | 3,139 | alexey-milovidov | I choose the name `boundingRatio`. | 2018-11-01T18:01:33 | 2018-11-01T18:01:33 | {} | MEMBER |
ClickHouse | ClickHouse | 435,431,798 | 3,534 | alesapin | Corresponding issue https://github.com/yandex/ClickHouse/issues/3162 | 2018-11-02T16:12:48 | 2018-11-02T16:12:48 | {} | MEMBER |
ClickHouse | ClickHouse | 436,254,634 | 3,541 | 4ertus2 | Hi,
Could you attach here 'show create' for the tables, remote_servers section in your config.xml and minimal insert + select sample to reproduce the issue? | 2018-11-06T13:36:27 | 2018-11-06T13:36:27 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 436,499,398 | 3,227 | champtar | actually performance issue is #3256 | 2018-11-07T04:15:48 | 2018-11-07T04:15:48 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 436,578,803 | 3,531 | 4ertus2 | Hello,
If your table partitioned by date you need to detach partition first and then you're able to remove the data.
Look at DETACH section of https://clickhouse.yandex/docs/en/query_language/misc/ | 2018-11-07T10:31:09 | 2018-11-07T10:31:25 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 436,588,617 | 167 | ztlpn | > why do not master contain the code of ApplyingMutationsBlockInputStream?
ApplyingMutationsBlockInputStream was removed. Look into dbms/src/Interpreters/MutationsInterpreter.h/.cpp for the relevant logic. | 2018-11-07T11:07:25 | 2018-11-07T11:07:25 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 436,603,725 | 3,520 | 4ertus2 | It looks like you trying to make operation via user 'default.' not 'default'. There's a strange dot at the end of name. Look at your users.xml files on all the nodes. Is there any <default.> instead of <default>?
Other place where you may look at is connection messages, such as:
```
<Debug> TCPHandler: Connected C... | 2018-11-07T12:12:36 | 2018-11-07T12:12:36 | {} | CONTRIBUTOR |
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