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https://github.com/alibaba/ilogtail/blob/3af62f29bc639e025d7201e12d0b6bd7ced7045a/core/processor/daemon/LogProcess.cpp#L518C3-L519C102

setting enable_gc_evict_disk_cache not work

1

2024.04.18 09:40:03.471239 [ 1064 ] {} (449158665270198365) carms.carms_usage_statistics (5ecd4c14-e64b-4ca9-8849-6a45658c013a)(PartGCThread): Fail to drop disk cache for carms.carms_usage_statistics (5ecd4c14-e64b-4ca9-8849-6a45658c013a): Code: 49, e.displayText() = DB::Exception: Transaction is not set (empty) SQLSTATE: HY000, Stack...

bug in index select logic cause select data error

4

1. create table CREATE TABLE hacker.my_first_table ( `user_id` UInt32, `timestamp` DateTime, `age` UInt32, `rank` UInt32, ) ENGINE = CnchMergeTree PARTITION BY timestamp ORDER BY (user_id, timestamp) SETTINGS storage_policy = 'cnch_default_s3',...

enable partition filter in read in_order scenario to reduce involved parts

read_in_order low performance

1

 in the above case, byconity will select 90 parts to read, and then do merge sort. but choose the latest partition is enough

byconity worknode don't support cgroup level isolation, this will cause: 1. lightweight and heavy request affect each other on same worknode 2. different user request affect each other on same...

byconity 0.2.2 branch prometheus monitor exporter is not available

7

there are four problems: 1. exporter is not available by default, we need to configure manually 2. there are only clickhouse monitor items. ony when compile master branch code, cnch...

ilogtail多租户隔离能力

1

同一个ilogtail采集器服务于多个租户，每个租户有不同的接入endpoint，当某个租户网络差导致处理速度慢的情况下，会不会导致所有租户的处理速度都慢下来，因为logprocess的多个线程worker所有租户是共用的。