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1 parent 2da3005 commit 4d88bc8Copy full SHA for 4d88bc8
contrib/pg_upgrade/server.c
@@ -211,7 +211,8 @@ start_postmaster(ClusterInfo *cluster)
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*
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* Turn off durability requirements to improve object creation speed, and
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* we only modify the new cluster, so only use it there. If there is a
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- * crash, the new cluster has to be recreated anyway.
+ * crash, the new cluster has to be recreated anyway. fsync=off is a big
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+ * win on ext4.
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*/
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snprintf(cmd, sizeof(cmd),
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"\"%s/pg_ctl\" -w -l \"%s\" -D \"%s\" -o \"-p %d%s%s%s%s\" start",
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