Splitting input files in load.bety.sh #740
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added 2 commits
November 14, 2022 12:57
dlebauer
approved these changes
May 4, 2025
|
@Kooper please review |
robkooper
reviewed
May 4, 2025
| if [ -f "${DUMPDIR}/${T}.csv" ]; then | ||
| echo "\COPY ${T} FROM '${DUMPDIR}/${T}.csv' WITH (DELIMITER ' ', NULL '\\N', ESCAPE '\\', FORMAT CSV, ENCODING 'UTF-8')" >&3 | ||
| T_SIZE=`cat ${DUMPDIR}/${T}.csv | wc -l` | ||
| if [ "${T_SIZE}" -gt "${SPLIT_FILE_MAX}" ]; then |
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can we have SPLIT_FILE_MAX==0 means use the old algorithm, and for that to be the default value?
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Large files on underpowered machines can cause the to appear to database to hang through locking conflicts. One cause is that loading large files in one go uses significant resources, slowing the loading process down. Breaking large source files apart and loading them in a loop resolves this issue