Hello,
We have an ltree column (tree_path) that has a gist index (index_nodes_on_tree_path). This is in a 9.3.5 database. Recently errors started occurring in the postgres log on some updates to this table:
fixing incomplete split in index "index_nodes_on_tree_path", block 2358
STATEMENT: UPDATE "nodes" SET "parent_id" = $1, "contents_id" = $2, "contents_type" = $3, "trough_code" = $4, "live_flag" = $5, "ordering" =$6, "id" = $7, "tree_path" = $8 WHERE "nodes"."id" = 127695
ERROR: failed to add item to index page in "index_nodes_on_tree_path"
Reindexing index_nodes_on_tree_path fixes the problem temporarily, but it returns.
I'm wondering if this is a bug (googleing the incomplete split error returns results about a similar bug with b-tree indexes) or a problem with an inadequate fill factor setting. It doesnt look like there is a specified fill factor for this index and I'm not sure what the gist default is.
CREATE INDEX index_nodes_on_tree_path ON nodes USING gist (tree_path)
The table in question has about 94k rows, an example of the widest tree_path tuple is 69066.69090.69091.69094
Any advice is appreciated, happy new year!
Mike
