Hadoop 清管器投掷不兼容类型错误
我使用下面的代码通过在datafu中使用sessionize UDF在pig中生成sessionIdHadoop 清管器投掷不兼容类型错误,hadoop,hive,apache-pig,bigdata,Hadoop,Hive,Apache Pig,Bigdata,我使用下面的代码通过在datafu中使用sessionize UDF在pig中生成sessionId SET mapred.min.split.size 1073741824 SET mapred.job.queue.name 'marathon' SET mapred.output.compress true; --SET avro.output.codec snappy; --SET pig.maxCombinedSpli
SET mapred.min.split.size 1073741824
SET mapred.job.queue.name 'marathon'
SET mapred.output.compress true;
--SET avro.output.codec snappy;
--SET pig.maxCombinedSplitSize 536870912;
page_view_pre = LOAD '/data/tracking/PageViewEvent/' USING LiAvroStorage('date.range','start.date=20150226;end.date=20150226;error.on.missing=true'); -----logic is currently for 2015-02-26,will later replace them with date parameters
p_key = LOAD '/projects/dwh/dwh_dim/dim_page_key/#LATEST' USING LiAvroStorage();
page_view_pre = FILTER page_view_pre BY (requestHeader.userAgent != 'CRAWLER' and requestHeader.browserId != 'CRAWLER') and NOT IsTestMemberId(header.memberId);
page_view_pre = FOREACH page_view_pre GENERATE
(int) (header.memberId <0 ? -9 : header.memberId ) as member_sk,
(chararray) requestHeader.browserId as browserId,
--(chararray) requestHeader.sessionId as sessionId,
(chararray) UnixToISO(header.time) as pageViewTime,
header.time as pv_time,
(chararray) requestHeader.path as path,
(chararray) requestHeader.referer as referer,
(chararray) epochToFormat(header.time, 'yyyyMMdd', 'America/Los_Angeles') as tracking_date,
(chararray) requestHeader.pageKey as pageKey,
(chararray) SUBSTRING(requestHeader.trackingCode, 0, 500) as trackingCode,
FLATTEN(botLookup(requestHeader.userAgent, requestHeader.browserId)) as (is_crawler, crawler_type),
(int) totalTime as totalTime,
((int) totalTime < 20 ? 1 :0) as bounce_flag;
page_view_pre = FILTER page_view_pre BY is_crawler == 'N' ;
p_key = FILTER p_key By is_aggregate ==1;
page_view_agg = JOIN page_view_pre by pageKey ,p_key by page_key;
page_view_agg = FOREACH page_view_agg GENERATE
(chararray)page_view_pre::member_sk as member_sk,
(chararray)page_view_pre::browserId as browserId,
--page_view_pre::sessionId as sessionId,
(chararray)page_view_pre::pageViewTime as pageViewTime,
(long)page_view_pre::pv_time as pv_time,
(chararray)page_view_pre::tracking_date as tracking_date,
(chararray)page_view_pre::path as path,
(chararray)page_view_pre::referer as referer,
(chararray)page_view_pre::pageKey as pageKey,
(int)p_key::page_key_sk as page_key_sk,
(chararray)page_view_pre::trackingCode as trackingCode,
(int)page_view_pre::totalTime as totalTime,
(int)page_view_pre::bounce_flag as bounce_flag;
page_view_agg = FILTER page_view_agg By (member_sk is NOT null) OR (browserId IS NOT NULL) ;
pvs_by_member_browser_pair = GROUP page_view_agg BY (member_sk,browserId);
***session_groups = FOREACH pvs_by_member_browser_pair {
visits = ORDER page_view_agg BY pv_time;
GENERATE FLATTEN(Sessionize(visits)) AS (
pageViewTime,member_sk, pv_time,tracking_date, pageKey,page_key_sk,browserId,referer ,path, trackingCode,totalTime, sessionId
);
}***
设置mapred.min.split.size 1073741824
将mapred.job.queue.name设置为“marathon”
将mapred.output.compress设置为true;
--将avro.output.codec设置为snappy;
--设置pig.maxCombinedSplitSize 536870912;
page_view_pre=LOAD'/data/tracking/PageViewEvent/'使用LiAvroStorage('date.range','start.date=20150226;end.date=20150226;error.on.missing=true')-----逻辑目前适用于2015-02-26,稍后将用日期参数替换
p_key=LOAD'/projects/dwh/dwh_dim/dim_page_key/#LATEST'使用LiAvroStorage();
页面\u视图\u pre=筛选页面\u视图\u pre BY(requestHeader.userAgent!=“CRAWLER”和requestHeader.browserId!=“CRAWLER”)而不是IsTestMemberId(header.memberId);
页面\视图\预生成=每个页面\视图\预生成
(int)(header.memberId这是模式不匹配的典型情况:
page_view_pre = LOAD '/data/tracking/PageViewEvent/' USING LiAvroStorage('date.range','start.date=20150226;end.date=20150226;error.on.missing=true'); -----logic is currently for 2015-02-26,will later replace them with date parameters
只要在这一行后面加上说明页面\u视图\u pre
,就可以了解模式