Hi,
i am trying to use multi process for one thing. I fallowed this
tutorial: https://codeforgeek.com/2014/12/cluster-node-js-performance/
After i stard nodejs app, after 4 min i get:
/var/www/html/LDB-
rs/nodejs/node_modules/mysql/lib/protocol/Parser.js:77
throw err; // Rethrow non-MySQL errors
^
Error: ER_DUP_ENTRY: Duplicate entry '381611335152' for key 'PRIMARY'
at Query.Sequence._packetToError (/var/www/html/LDB-
rs/nodejs/node_modules/mysql/lib/protocol/sequences/Sequence.js:48:14)
at Query.ErrorPacket (/var/www/html/LDB-
rs/nodejs/node_modules/mysql/lib/protocol/sequences/Query.js:83:18)
at Protocol._parsePacket (/var/www/html/LDB-
rs/nodejs/node_modules/mysql/lib/protocol/Protocol.js:280:23)
at Parser.write (/var/www/html/LDB-
rs/nodejs/node_modules/mysql/lib/protocol/Parser.js:73:12)
at Protocol.write (/var/www/html/LDB-
rs/nodejs/node_modules/mysql/lib/protocol/Protocol.js:39:16)
at Socket.<anonymous> (/var/www/html/LDB-
rs/nodejs/node_modules/mysql/lib/Connection.js:96:28)
at Socket.emit (events.js:95:17)
at Socket.<anonymous> (_stream_readable.js:765:14)
at Socket.emit (events.js:92:17)
at emitReadable_ (_stream_readable.js:427:10)
--------------------
at Protocol._enqueue (/var/www/html/LDB-
rs/nodejs/node_modules/mysql/lib/protocol/Protocol.js:141:48)
at Connection.query (/var/www/html/LDB-
rs/nodejs/node_modules/mysql/lib/Connection.js:201:25)
at /var/www/html/LDB-rs/nodejs/app.js:41:16
at Function._.each._.forEach (/var/www/html/LDB-
rs/nodejs/node_modules/underscore/underscore.js:153:9)
at /var/www/html/LDB-rs/nodejs/app.js:39:6
at Parser.<anonymous> (/var/www/html/LDB-
rs/nodejs/node_modules/xml2js/lib/xml2js.js:484:18)
at Parser.emit (events.js:95:17)
at Object.onclosetag (/var/www/html/LDB-
rs/nodejs/node_modules/xml2js/lib/xml2js.js:445:26)
at emit (/var/www/html/LDB-
rs/nodejs/node_modules/xml2js/node_modules/sax/lib/sax.js:639:35)
at emitNode (/var/www/html/LDB-
rs/nodejs/node_modules/xml2js/node_modules/sax/lib/sax.js:644:5)
at closeTag (/var/www/html/LDB-
rs/nodejs/node_modules/xml2js/node_modules/sax/lib/sax.js:903:7)
worker 8423 died
I guess this is due to multi core thing, if i use only one core it works ok.
Progrem read one xml file, put it in json and then insert in the mysql table.
tnx for help
Miha
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