Task #887
Updated by Aaron Marcuse-Kubitza over 10 years ago
h3. issue
* in the last full-database import, this caused disk space errors in 29 of [[VegBIEN_contents#datasources|41 datasources]]:
<pre>
ssh -t vegbiendev.nceas.ucsb.edu exec sudo su - aaronmk
export version=r13016
grep --files-with-matches -F "No space left on device" inputs/{.,}*/*/logs/$version.log.sql
# and uniqify by datasource
</pre>
* in a test run, importing even moderate-sized datasources (eg. NY, SALVIAS) causes all the available disk space to be used up, and crashes the import:
<pre>
ssh -t vegbiendev.nceas.ucsb.edu exec sudo su - aaronmk
export version=test_import
grep --files-with-matches -F "No space left on device" inputs/{.,}*/*/logs/$version.log.sql
# the list includes all the datasources in the test run: NY, SALVIAS
</pre>
* because the test run crashed crashed, as well, the problem is most likely a bug in Postgres or Linux itself. this unfortunately means that we *can't run the import datasources individually, either*, until we find the Postgres/Linux bug* bug that is causing the problem.
* this is not necessarily caused by #884, because sort temp files consume disk space only in proportion to the table size, which for a small import would not be nearly enough to fill the disk (and yet the disk does fill up)
h3. fix
* roll back Postgres to the version it was at in the last successful import, re-run import, and see if problem goes away
** this may require building Postgres from source, because past _revisions_ of the same numeric version might only be available in version control, not in binary form via apt-get (which numbers packages by numeric version)
* if this isn't possible, it may be necessary to downgrade to Postgres 9.2 (which will unfortunately be missing some features that we now use)