Gutsuttsuttukan gida sune nau'i mafi sauƙi na ƙimar Redis, kuma baba suna gano duk bayanai a cikin Redis. Fahimtar hanyoyin gutsuttsuttukan gida (ciki har da atomic counters) da ƙa'idodin suna/gudanarwa shine muhimmi ga aiki na yau da kullun a Redis.
SET name
GET name
SET name EX 60
SETNX lock
MSET a b
APPEND name
STRLEN name
Gutsuttsuttukan gida suna riƙe da maƙala, lambobi, ko ma bayanai na binary (zuwa 512MB). Suna da ƙarfin aiki — ana amfani da su don ƙiyayye ƙimar, bayani, gwaje't-gwajeni, da ƙididdiga.
SET views 0
INCR views # => 1 (atomic increment)
INCRBY views 10 # => 11
DECR views # decrement
# atomic — safe even with concurrent clients (no race conditions)
Gutsuttsuttukan gida da ke riƙe da lambobi suna goyan bayan atomic increment/decrement — aiki mai kyau ga ƙididdiga (kira shafuka, iyaka masu gudanniya, IDs) da suke daidai ko tare da shiga kai tsaye.
# convention: use colon-separated namespaces for organization
SET user:1000:name "Ann" # user 1000's name
SET user:1000:email "[email protected]"
EXISTS user:1000:name # does the key exist? => 1
DEL user:1000:name # delete a key
KEYS user:* # find keys by pattern (⚠️ slow on big DBs — avoid in prod)
SCAN 0 MATCH user:* # iterate keys safely (preferred over KEYS)
TYPE user:1000 # the value's data type
RENAME oldkey newkey # rename
Ƙa'idar suna baba: namespaces da aka raba ta colon (user:1000:name) suna yin tsari ga baba cikin hikima. Mahimmanci: kaida KEYS a cikin aiki (yana neman duk baba, yana dakatar da sabar) — yi amfani da SCAN don salama.
Gutsuttsuttukan gida da baba sune tushen aiki na yau da kullun a Redis, saboda haka fahimta su ya zama dole, ilimi da aka yi koli-koli. Gutsuttsuttukan gida (nau'i mafi sauƙi da ƙarfin aiki na Redis) ana amfani da su koli-koli — don ƙiyayye ƙimar, bayani, bayanai da aka tsira, da musamman atomic counters: ayyuka masu atomic INCR/DECR suna sa gutsuttsuttukan gida daidai don ƙididdige abubuwa (kira shafuka, iyaka masu gudanniya, IDs) ko tare da shiga kai tsaye, ba tare da ƙargin gida — ƙarfi mai amfani, ana amfani da shi koli-koli.
Fahimtar hanyoyin gutsuttsuttukan gida (ciki har da SET tare da matakin lokaci don TTLs, SETNX don saita-idan-ba-a-saita wanda ke da aiki don locks) shine ilimi na aiki na yau da kullun. Baba suna gano duk bayanai na Redis, kuma fahimta gudanarwa baba yana da mahimmanci: ƙa'idar suna na namespaces da aka raba ta colon (user:1000:name) don tsari na hikima ga baba shine hanya da aka yi koli-koli wanda ke ajiyar bayanai na Redis cikin tsari, kuma sanin hanyoyin baba (EXISTS, DEL, TYPE, RENAME) ya zama dole.
Wani muhimmi na aiki shine kaida KEYS a cikin aiki (yana neman kowace baba, yana dakatar da sabar mai jiya-jiya — haɗin gida na gaske/aminci) a maimakon SCAN don salama — haɗin gida da aka saba iska.
Tun gutsuttsuttukan gida da baba suna cikin kusan kowane shiga Redis, da gumagara fahimtar hanyoyin gutsuttsuttukan gida (musamman atomic counters), ƙa'idodin suna baba, da gudanarwa baba (ciki har da alaƙar KEYS-vs-SCAN aiki) shine tushen amfani da Redis daidai da salama, fahimtar gutsuttsuttukan gida da baba shine dole, ilimin dole ga aiki na yau da kullun a Redis, tushen aiki na aiki na ƙididdige da gudanarwa bayanai a Redis.