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fix consistency bug (pingcap/dumpling#128)
* fix consistency problem * add consistency integration test * address comment * address comments
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| #!/bin/sh | ||
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| set -eu | ||
| cur=$(cd `dirname $0`; pwd) | ||
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| DB_NAME="mysql_consistency" | ||
| TABLE_NAME="t" | ||
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| # drop database on mysql | ||
| run_sql "drop database if exists \`$DB_NAME\`;" | ||
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| # build data on mysql | ||
| run_sql "create database $DB_NAME;" | ||
| run_sql "create table $DB_NAME.$TABLE_NAME (a int(255));" | ||
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| # insert 100 records | ||
| run_sql "insert into $DB_NAME.$TABLE_NAME values $(seq -s, 100 | sed 's/,*$//g' | sed "s/[0-9]*/('1')/g");" | ||
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| # dumping with consistency flush | ||
| export DUMPLING_TEST_DATABASE=$DB_NAME | ||
| export GO_FAILPOINTS="github.com/pingcap/dumpling/v4/export/ConsistencyCheck=1*sleep(5000)" | ||
| run_dumpling & | ||
| # wait dumpling process to start to sleep | ||
| sleep 2 | ||
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| # record metadata info | ||
| metadata=`run_sql "show master status;"` | ||
| metaLog=`echo $metadata | awk -F 'File:' '{print $2}' | awk '{print $1}'` | ||
| metaPos=`echo $metadata | awk -F 'Position:' '{print $2}' | awk '{print $1}'` | ||
| metaGTID=`echo $metadata | awk -F 'Executed_Gtid_Set:' '{print $2}' | awk '{print $1}'` | ||
| # insert 100 more records, test whether dumpling will dump these data out | ||
| run_sql "insert into $DB_NAME.$TABLE_NAME values $(seq -s, 100 | sed 's/,*$//g' | sed "s/[0-9]*/('1')/g");" | ||
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| wait | ||
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| # check data record count | ||
| cnt=`grep -o "(1)" ${DUMPLING_OUTPUT_DIR}/${DB_NAME}.${TABLE_NAME}.0.sql|wc -l` | ||
| echo "1st records count is ${cnt}" | ||
| [ $cnt = 100 ] | ||
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| # check metadata | ||
| echo "metaLog: $metaLog" | ||
| echo "metaPos: $metaPos" | ||
| echo "metaGTID: $metaGTID" | ||
| if [ $metaLog != "" ]; then | ||
| [ `grep -o "Log: $metaLog" ${DUMPLING_OUTPUT_DIR}/metadata|wc -l` ] | ||
| fi | ||
| if [ $metaPos != "" ]; then | ||
| [ `grep -o "Pos: $metaPos" ${DUMPLING_OUTPUT_DIR}/metadata|wc -l` ] | ||
| fi | ||
| if [ $metaGTID != "" ]; then | ||
| [ `grep -o "GTID: $metaGTID" ${DUMPLING_OUTPUT_DIR}/metadata|wc -l` ] | ||
| fi | ||
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| # test dumpling normally | ||
| export GO_FAILPOINTS="" | ||
| run_dumpling | ||
| cnt=`grep -o "(1)" ${DUMPLING_OUTPUT_DIR}/${DB_NAME}.${TABLE_NAME}.0.sql|wc -l` | ||
| echo "2nd records count is ${cnt}" | ||
| [ $cnt = 200 ] |
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