We just rebuilt our test environment (something we do every month) and
suddenly we get the following error when trying to use 2i:
{error,{error,{indexes_not_supported,riak_kv_multi_backend}}}
But looking at the properties of the bucket it's set to use leveldb:
# curl -k https://localhost:8069/riak/eleveldb/ | jq .
{
"props": {
"young_vclock": 20,
"w": "quorum",
"small_vclock": 50,
"rw": "quorum",
"r": "quorum",
"linkfun": {
"fun": "mapreduce_linkfun",
"mod": "riak_kv_wm_link_walker"
},
"last_write_wins": false,
"dw": "quorum",
"chash_keyfun": {
"fun": "chash_std_keyfun",
"mod": "riak_core_util"
},
"big_vclock": 50,
"basic_quorum": false,
"backend": "eleveldb_data",
"allow_mult": false,
"n_val": 3,
"name": "eleveldb",
"notfound_ok": true,
"old_vclock": 86400,
"postcommit": [],
"pr": 0,
"precommit": [],
"pw": 0
}
}
Here's the relevant app.config snippet:
{storage_backend, riak_kv_multi_backend},
{multi_backend_default, <<"bitcask_data">>},
{multi_backend, [
{<<"bitcask_data">>, riak_kv_bitcask_backend,
[
{data_root, "/srv/riak/data/bitcask/data"},
%%{io_mode, nif},
{max_file_size, 2147483648}, %% 2G
{merge_window, always},
{frag_merge_trigger, 30}, %% Merge
at 30% dead keys
{dead_bytes_merge_trigger, 134217728}, %% Merge
files that have more than 128MB dead
{frag_threshold, 25}, %% Files
that have 25% dead keys will be merged too
{dead_bytes_threshold, 67108864}, %% Include
files that have 64MB of dead space in merges
{small_file_threshold, 10485760}, %% Files
smaller than 100MB will not be merged
{log_needs_merge, true}, %% Log
when we need to merge...
{sync_strategy, none}
]
},
{<<"eleveldb_data">>, riak_kv_eleveldb_backend,
[{data_root, "/srv/riak/data/eleveldb/files"},
{write_buffer_size_min, 31457280 }, %% 30 MB in bytes
{write_buffer_size_max, 62914560}, %% 60 MB in bytes
{max_open_files, 20}, %% Maximum number of files open
at once per partition
{sst_block_size, 4096}, %% 4K blocks
{cache_size, 8388608} %% 8MB default cache size per-partition
]
}
]},
Anyone have any ideas?
We're using Ubuntu 12.04 with the Basho Riak 1.4.2 .deb. The only
change to this environment has been to upgrade the kernel from
3.5.0-26 to 3.8.0-31-generic but I'd be very surprised if that broke
2i...
Thanks,
Chris
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