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Diffstat (limited to 'configdefinitions/src/vespa/vespa.config.content.stor-filestor.def')
| -rw-r--r-- | configdefinitions/src/vespa/vespa.config.content.stor-filestor.def | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/configdefinitions/src/vespa/vespa.config.content.stor-filestor.def b/configdefinitions/src/vespa/vespa.config.content.stor-filestor.def new file mode 100644 index 00000000000..8ac372c0575 --- /dev/null +++ b/configdefinitions/src/vespa/vespa.config.content.stor-filestor.def @@ -0,0 +1,60 @@ +# Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. +namespace=vespa.config.content + +## DETECT FAILURE PARAMETERS + +## After seeing given number of errors on a disk, storage will disable the +## disk and restart. If set to 0, storage will never disable disks. Note +## that if you get disk errors, which arent automatically fixed, this will +## make storage keep failing all operations towards this disk, and all +## retries will use the same disk and same file, so you might end up with a +## lot of operations that can never succeed. Thus, it is not recommended to +## turn this off. +fail_disk_after_error_count int default=1 restart + +## If a disk operation takes more time in seconds than the disk operation +## timeout, storage will consider that a disk failure, and mark the disk +## bad, restart and not use the disk anymore. Note that currently, this +## includes CPU time too, so if used, this parameter should be set fairly +## high as we still sometimes have some operations that might take a few +## seconds. Disabled by default as we currently have these long operations +## during normal load. +disk_operation_timeout int default=0 restart + +## PERFORMANCE PARAMETERS + +## Number of threads to use for each mountpoint. +num_threads int default=8 restart + +## Number of threads for response processing and delivery +## 0 will give legacy sync behavior. +## Negative number will choose a good number based on # cores. +num_response_threads int default=2 restart + +## Type of sequenced thread executor use for persistence replies. +response_sequencer_type enum {LATENCY, THROUGHPUT, ADAPTIVE} default=ADAPTIVE restart + +## When merging, if we find more than this number of documents that exist on all +## of the same copies, send a separate apply bucket diff with these entries +## to an optimized merge chain that guarantuees minimum data transfer. +common_merge_chain_optimalization_minimum_size int default=64 restart + +## Chunksize to use while merging buckets between nodes. +## +## Default is set to 4 MB - 4k. This is to allow for malloc to waste some bytes +## with tracking info or to align to 512b without passing allocation limit, +## while still reading 4k blocks from disk. +bucket_merge_chunk_size int default=4190208 restart + +## When merging, it is possible to send more metadata than needed in order to +## let local nodes in merge decide which entries fits best to add this time +## based on disk location. Toggle this option on to use it. Note that memory +## consumption might increase in a 4.1 to 4.2 upgrade due to this, as 4.1 +## dont support to only fill in part of the metadata provided and will always +## fill all. +enable_merge_local_node_choose_docs_optimalization bool default=true restart + +## Whether or not to enable the multibit split optimalization. This is useful +## if splitting is expensive, but listing document identifiers is fairly cheap. +## This is true for memfile persistence layer, but not for vespa search. +enable_multibit_split_optimalization bool default=true restart |