use pigz over gzip in more places

2 files changed, 15 insertions, 7 deletions

diff --git a/extra/sql_dumps/README.md b/extra/sql_dumps/README.md
index 45adae09..4d420190 100644
--- a/extra/sql_dumps/README.md
+++ b/extra/sql_dumps/README.md
@@ -29,14 +29,14 @@ forwarding anyways.
 
 In production:
 
-    sudo -u postgres psql fatcat_prod < dump_abstracts.sql | egrep -v ^BEGIN$ | egrep -v ^ROLLBACK$ | pv -l | gzip > /srv/fatcat/snapshots/abstracts.json.gz
-    sudo -u postgres psql fatcat_prod < dump_file_hashes.sql | egrep -v ^BEGIN$ | egrep -v ^ROLLBACK$ | pv -l | gzip > /srv/fatcat/snapshots/file_hashes.tsv.gz
-    sudo -u postgres psql fatcat_prod < dump_release_extid.sql | egrep -v ^BEGIN$ | egrep -v ^ROLLBACK$ | pv -l | gzip > /srv/fatcat/snapshots/release_extid.tsv.gz
+    sudo -u postgres psql fatcat_prod < dump_abstracts.sql | egrep -v ^BEGIN$ | egrep -v ^ROLLBACK$ | pv -l | pigz > /srv/fatcat/snapshots/abstracts.json.gz
+    sudo -u postgres psql fatcat_prod < dump_file_hashes.sql | egrep -v ^BEGIN$ | egrep -v ^ROLLBACK$ | pv -l | pigz > /srv/fatcat/snapshots/file_hashes.tsv.gz
+    sudo -u postgres psql fatcat_prod < dump_release_extid.sql | egrep -v ^BEGIN$ | egrep -v ^ROLLBACK$ | pv -l | pigz > /srv/fatcat/snapshots/release_extid.tsv.gz
 
 ## HOWTO: Full private database backup and restore
 
     export DATESLUG="`date +%Y-%m-%d.%H%M%S`"
-    time sudo -u postgres pg_dump --verbose --format=tar fatcat_prod | gzip > /srv/fatcat/snapshots/fatcat_private_dbdump_${DATESLUG}.tar.gz
+    time sudo -u postgres pg_dump --verbose --format=tar fatcat_prod | pigz > /srv/fatcat/snapshots/fatcat_private_dbdump_${DATESLUG}.tar.gz
 
 NOTE: by using the "directory" export (along with `--file`) instead of "tar"
 export, it would be possible to use parallel dumping. However, this would put
@@ -45,7 +45,14 @@ issues with users/permissions.
 
 To restore, CAREFULLY, run:
 
-    sudo -u postgres pg_restore --clean --if-exists --create -exit-on-error --jobs=16 DUMP_FILE.tar.gz
+    sudo -u postgres pg_restore --clean --if-exists --create --exit-on-error --jobs=16 DUMP_FILE.tar.gz
+
+    zcat sudo -u postgres pg_restore --clean --if-exists --create --exit-on-error --jobs=16 DUMP_FILE.tar.gz
+
+Or, in production:
+
+    sudo su postgres
+    time zcat fatcat_private_dbdump_2020-02-02.022209.tar.gz  | pg_restore --exit-on-error --clean --if-exists --dbname fatcat_prod
 
 To just inspect a dump:
 
@@ -59,6 +66,6 @@ replace the `fatcat_prod` database name.
 
     # TODO: for production, probably want consistent serialization mode
     export DATESLUG="`date +%Y-%m-%d.%H%M%S`"
-    sudo -u postgres pg_dump --verbose --format=tar --exclude-table-data=auth_oidc fatcat_prod | gzip > /srv/fatcat/snapshots/fatcat_public_dbdump_${DATESLUG}.tar.gz
+    sudo -u postgres pg_dump --verbose --format=tar --exclude-table-data=auth_oidc fatcat_prod | pigz > /srv/fatcat/snapshots/fatcat_public_dbdump_${DATESLUG}.tar.gz
 
 Can also run using the remote/SSH options above.
diff --git a/extra/sql_dumps/ident_table_snapshot.sh b/extra/sql_dumps/ident_table_snapshot.sh
index 16c91612..dbd4caf0 100755
--- a/extra/sql_dumps/ident_table_snapshot.sh
+++ b/extra/sql_dumps/ident_table_snapshot.sh
@@ -22,7 +22,8 @@ CHANGELOG_REV="`head -n1 /tmp/fatcat_ident_latest_changelog.tsv`"
 OUTFILE="${OUTPUT_DIR}/fatcat_idents.$DATESLUG.r$CHANGELOG_REV.tar.gz"
 
 echo "Compressing..."
-tar -C /tmp -c --gzip --verbose \
+tar -C /tmp -c --verbose \
+    --use-compress-program=pigz \
     -f $OUTFILE \
     fatcat_ident_latest_changelog.tsv \
     fatcat_ident_containers.tsv \