Smilencer

I think it's necessary for Pegasus to limit its task queue length. In some high network flow scenarios, the task queue will get congestion. Like this ...

``` ../lib/libpegasus_client_static.a(sasl_server_wrapper.cpp.o): In function `dsn::security::sasl_server_wrapper::start(std::__cxx11::basic_string const&, dsn::blob const&, dsn::blob&)': /home/tangyanzhao/Code/pegasus/rdsn/src/runtime/security/sasl_server_wrapper.cpp:43: undefined reference to `dsn::fail::_S_FAIL_POINT_ENABLED' /home/tangyanzhao/Code/pegasus/rdsn/src/runtime/security/sasl_server_wrapper.cpp:51: undefined reference to `sasl_server_start' /home/tangyanzhao/Code/pegasus/rdsn/src/runtime/security/sasl_server_wrapper.cpp:43: undefined reference to `dsn::fail::eval[abi:cxx11](dsn::string_view)' /home/tangyanzhao/Code/pegasus/rdsn/src/runtime/security/sasl_server_wrapper.cpp:43: undefined reference to `dsn::error_code::try_get(char const*,...

Proposal: Redesign of Pegasus Scanner

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## Proposal Redesign of Pegasus Scanner ### Background Pegasus provides three interfaces `on_get_scanner` `on_scan` and `on_clear_scanner` , for clients to execute scanning tasks. If we want to full scan the...

Commands: ``` >>> use stat OK >>> full_scan -h prefix -x 2019-10 partition: all hash_key_filter_type: prefix hash_key_filter_pattern: "2019-10" sort_key_filter_type: no_filter value_filter_type: no_filter max_count: -1 timout_ms: 5000 detailed: false no_value: false...

`boost::hash_range` is used as the common method to calculate the hash value in hotkey_detection https://github.com/apache/incubator-pegasus/pull/624 After testing we find some faster algorithms to replace it. One way is to use...

pegasus shell crashed when it starts

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## Bug Report 1. What did you do? ```shell $ ./run.sh shell -n *** INFO: parse meta_list from /*** W2020-11-11 19:20:05.527 (1605093605527024651 1b656) unknown.io-thrd.112214: overwrite default thread pool for task...

## Bug Report Please answer these questions before submitting your issue. Thanks! 1. What did you do? ```bash ./run.sh start_onebox -c # repeat the following operation drop temp create temp...

Can't npm install in Ubuntu 20

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> Important：Please file the issue follow the template, or we won't help you to solve the problem. ## 0. Report Issue Guide 1. Please run the following command and check...

can't prune cluster due to false meta_yaml

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## Bug Report Please answer these questions before submitting your issue. Thanks! 1. What did you do? I scale-in my cluster, then want to prune data, but some nodes don't...

cluster: support IngoreInitConfigComps

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### What problem does this PR solve? If we have a large number of tikv-server, it will cost a lot of time(several hours) to generate config ### What is changed...