可以替换成其他 sink 试一下,比如 kafka,验证下是不是 sink 的问题。
Btw,1.11 里面可以非常方便地创建一个测试 sink,比如
CREATE TABLE print_table WITH ('connector' = 'print')
LIKE tb_sink (EXCLUDING ALL)
Best,
Jark
On Sat, 20 Jun 2020 at 15:51, Benchao Li <[email protected]> wrote:
> Hi,
>
> 根据你的描述,应该是sink这里有问题的可能性比较大。因为正常的query可以输出结果,但是insert到sink就看不到输出。
> 你可以看下你的job的metrics,每个operator的输入输出,看下window operator是否有输出。
> 此外,也可以看下这个sink的实现,是否有攒batch的一些逻辑,比如要打到多少条数据才会输出等。
>
> 王超 <[email protected]> 于2020年6月20日周六 下午1:18写道:
>
> > 除了pravega connector之外的有没有什么地方有问题呢?
> >
> > On Fri, Jun 19, 2020 at 18:43 Leonard Xu <[email protected]> wrote:
> >
> > > Hi,
> > > pravega connector[1] 应该不是社区提供的,之前没看过这个connector的代码,
> > > 看你的描述,可以检查下写入时是否有一些参数需要设置。
> > >
> > >
> > > 祝好,
> > > Leonard Xu
> > > [1] https://github.com/pravega/flink-connectors <
> > > https://github.com/pravega/flink-connectors>
> > >
> > >
> > > > 在 2020年6月19日,13:31,王超 <[email protected]> 写道:
> > > >
> > > > 各位大神求帮忙看一下。
> > > >
> > > > Flink 版本:1.10.0
> > > > Planner:blink
> > > >
> > > > 我在使用Flink SQL的时候遇到了一个问题,能否帮忙看一下,我尝试在寻找了解决方法,但是没有起作用。
> > > > 比如我发现类似的问题
> > > > https://www.mail-archive.com/[email protected]/msg03916.html
> > > > 中描述的问题,根据这个mail中的解决方法我设置了timezone,但是问题没有被解决。
> > > >
> > > >
> > > > Flink Table Env配置
> > > > *StreamExecutionEnvironment env =
> > > > StreamExecutionEnvironment.getExecutionEnvironment();*
> > > > *
> > env.setStreamTimeCharacteristic(TimeCharacteristic.EventTime);*
> > > > * env.setParallelism(1);*
> > > > *EnvironmentSettings envSetting =
> > > >
> > >
> >
> EnvironmentSettings.newInstance().useBlinkPlanner().inStreamingMode().build();
> > > > *
> > > > *StreamTableEnvironment tableEnv = StreamTableEnvironment.create(env,
> > > > envSetting);*
> > > > *tableEnv.getConfig().setLocalTimeZone(ZoneId.of("Asia/Shanghai"));
> *
> > > >
> > > >
> > > > 我这个job应用中定义了两个table,分别为source table “sqlDdlAnaTable”
> > > >
> > > > *String sqlDdlAnaTable = "CREATE TABLE ana_Source(type INT, datatime
> > > > BIGINT, list ARRAY <ROW(id STRING, v FLOAT, q INTEGER)>, ts AS
> > > > TO_TIMESTAMP(FROM_UNIXTIME(datatime)), WATERMARK FOR ts AS ts -
> > INTERVAL
> > > > '5' SECOND)" +*
> > > > * " WITH (" +*
> > > > * "'connector.type' = 'pravega'," +*
> > > > * "'connector.version' = '1'," +*
> > > > * "'connector.connection-config.controller-uri'=
> > > > 'tcp://192.168.188.130:9090 <http://192.168.188.130:9090>'," +*
> > > > * "'connector.connection-config.default-scope' =
> > 'Demo',"
> > > +*
> > > > * "'connector.reader.stream-info.0.stream' = 'test',"
> +*
> > > > * "'format.type' = 'json'," +*
> > > > * "'format.fail-on-missing-field' = 'false', " +*
> > > > * "'update-mode' = 'append')";*
> > > >
> > > > 和sink table " sqlDdlSinkTable ".
> > > >
> > > > * String sqlDdlSinkTable = "CREATE TABLE tb_sink" +*
> > > > * "(id STRING, " +*
> > > > * "wStart TIMESTAMP(3) , " +*
> > > > * "v FLOAT)" +*
> > > > * " WITH (" +*
> > > > * "'connector.type' = 'pravega'," +*
> > > > * "'connector.version' = '1'," +*
> > > > * "'connector.connection-config.controller-uri'=
> > > > 'tcp://192.168.188.130:9090 <http://192.168.188.130:9090>'," +*
> > > > * "'connector.connection-config.default-scope' =
> > 'Demo',"
> > > +*
> > > > * "'connector.writer.stream' = 'result'," +*
> > > > * "'connector.writer.routingkey-field-name' = 'id',"
> +*
> > > > * "'connector.writer.mode' = 'atleast_once'," +*
> > > > * "'format.type' = 'json'," +*
> > > > * "'update-mode' = 'append')";*
> > > >
> > > > 在数据处理逻辑比较简单,计算10s tumble window的vaule的平均。
> > > > 我一开始直接打印结果能够明确看到10s中输出一次计算结果,watermark也正常移动。
> > > > *String sqlAna = "SELECT ts, id, v " +*
> > > > * "FROM tb_JsonRecord " +*
> > > > * "WHERE q=1 AND type=1";*
> > > > * Table tableAnaRecord = tableEnv.sqlQuery(sqlAna);*
> > > > * tableEnv.registerTable("tb_AnaRecord", tableAnaRecord);*
> > > >
> > > > *tableEnv.toAppendStream(tableAnaRecord, Row.class).print()*
> > > >
> > > >
> > > >
> > > > 但是我尝试将结果insert到sink table中发现,就没有任何结果被写入。
> > > > *String sqlAnaAvg = "INSERT INTO tb_sink(id, wStart, v) " +*
> > > > * "SELECT id, " +*
> > > > * "TUMBLE_START(ts, INTERVAL '10' SECOND) as wStart, " +*
> > > > * "AVG(v) FROM tb_AnaRecord " +*
> > > > * "GROUP BY TUMBLE(ts, INTERVAL '10' SECOND), id"; *
> > > > * tableEnv.sqlUpdate(sqlAnaAvg);*
> > > >
> > > >
> > > > 提前感谢!
> > > >
> > > > BR//Chao
> > >
> > > --
> > 发自移动版 Gmail
> >
>
>
> --
>
> Best,
> Benchao Li
>