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103 lines
3.3 KiB
103 lines
3.3 KiB
{
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"XTRIM": {
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"summary": "Trims the stream to (approximately if '~' is passed) a certain size",
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"complexity": "O(N), with N being the number of evicted entries. Constant times are very small however, since entries are organized in macro nodes containing multiple entries that can be released with a single deallocation.",
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"group": "stream",
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"since": "5.0.0",
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"arity": -4,
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"function": "xtrimCommand",
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"history": [
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[
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"6.2.0",
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"Added the `MINID` trimming strategy and the `LIMIT` option."
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]
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],
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"command_flags": [
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"WRITE"
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],
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"acl_categories": [
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"STREAM"
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],
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"command_tips": [
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"NONDETERMINISTIC_OUTPUT"
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],
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"key_specs": [
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{
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"flags": [
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"RW",
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"DELETE"
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],
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"begin_search": {
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"index": {
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"pos": 1
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}
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},
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"find_keys": {
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"range": {
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"lastkey": 0,
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"step": 1,
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"limit": 0
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}
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}
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}
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],
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"arguments": [
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{
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"name": "key",
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"type": "key",
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"key_spec_index": 0
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},
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{
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"name": "trim",
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"type": "block",
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"arguments": [
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{
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"name": "strategy",
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"type": "oneof",
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"arguments": [
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{
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"name": "maxlen",
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"type": "pure-token",
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"token": "MAXLEN"
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},
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{
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"name": "minid",
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"type": "pure-token",
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"token": "MINID",
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"since": "6.2.0"
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}
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]
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},
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{
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"name": "operator",
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"type": "oneof",
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"optional": true,
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"arguments": [
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{
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"name": "equal",
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"type": "pure-token",
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"token": "="
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},
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{
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"name": "approximately",
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"type": "pure-token",
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"token": "~"
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}
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]
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},
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{
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"name": "threshold",
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"type": "string"
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},
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{
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"token": "LIMIT",
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"name": "count",
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"type": "integer",
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"optional": true,
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"since": "6.2.0"
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}
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]
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}
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]
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}
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}
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