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View Full Version: Kā veikt backup no datubāzes, bez valodas cache saturu



krisp
22-01-10, 02:54
Valodas kešatmiņas var izraisīt datu bāzi līdz 50 reizes lielāks. Nav nepieciešams rezerves šie kešatmiņas, jo viņus nomaina ik pēc 14 dienām anyway. Lūk, kā dublēt datu bāzi kur kešatmiņā tabulās ir pietvīkusi (tukšs) Backup (testēts uz Linux Centos): Batchjob: mysqldump -u username - ppassword databasename | python dump.py > dump.sql, kur šādu python skriptu ar nosaukumu dump.py tiek izmantots:
#!/usr/bin/env python# -*- coding: UTF-8 -*-#import sys line = sys.stdin.readline()ignore = Falsewhile line:if "LOCK TABLES" in line:l = line.replace("`", "")try:tname = l.split(" ")[2]sys.stderr.write(tname+"\n")if tname in ("vbenterprisetranslator_cache_medium_da", "vbenterprisetranslator_cache_medium_ar", "vbenterprisetranslator_cache_medium_be", "vbenterprisetranslator_cache_medium_bg", "vbenterprisetranslator_cache_medium_ca", "vbenterprisetranslator_cache_medium_cs", "vbenterprisetranslator_cache_medium_cy", "vbenterprisetranslator_cache_medium_de", "vbenterprisetranslator_cache_medium_el", "vbenterprisetranslator_cache_medium_en", "vbenterprisetranslator_cache_medium_es", "vbenterprisetranslator_cache_medium_et", "vbenterprisetranslator_cache_medium_fa", "vbenterprisetranslator_cache_medium_fi", "vbenterprisetranslator_cache_medium_fr", "vbenterprisetranslator_cache_medium_ga", "vbenterprisetranslator_cache_medium_gl", "vbenterprisetranslator_cache_medium_hi", "vbenterprisetranslator_cache_medium_hr", "vbenterprisetranslator_cache_medium_hu", "vbenterprisetranslator_cache_medium_id", "vbenterprisetranslator_cache_medium_is", "vbenterprisetranslator_cache_medium_it", "vbenterprisetranslator_cache_medium_iw", "vbenterprisetranslator_cache_medium_ja", "vbenterprisetranslator_cache_medium_ko", "vbenterprisetranslator_cache_medium_lt", "vbenterprisetranslator_cache_medium_lv", "vbenterprisetranslator_cache_medium_mk", "vbenterprisetranslator_cache_medium_ms", "vbenterprisetranslator_cache_medium_mt", "vbenterprisetranslator_cache_medium_nl", "vbenterprisetranslator_cache_medium_no", "vbenterprisetranslator_cache_medium_pl", "vbenterprisetranslator_cache_medium_pt", "vbenterprisetranslator_cache_medium_ro", "vbenterprisetranslator_cache_medium_ru", "vbenterprisetranslator_cache_medium_sk", "vbenterprisetranslator_cache_medium_sl", "vbenterprisetranslator_cache_medium_sq", "vbenterprisetranslator_cache_medium_sr", "vbenterprisetranslator_cache_medium_sv", "vbenterprisetranslator_cache_medium_sw", "vbenterprisetranslator_cache_medium_th", "vbenterprisetranslator_cache_medium_tl", "vbenterprisetranslator_cache_medium_tr", "vbenterprisetranslator_cache_medium_uk", "vbenterprisetranslator_cache_medium_vi", "vbenterprisetranslator_cache_medium_yi", "vbenterprisetranslator_cache_medium_zh-CN", "vbenterprisetranslator_cache_medium_zh-TW", "vbenterprisetranslator_cache_da", "vbenterprisetranslator_cache_ar", "vbenterprisetranslator_cache_be", "vbenterprisetranslator_cache_bg", "vbenterprisetranslator_cache_ca", "vbenterprisetranslator_cache_cs", "vbenterprisetranslator_cache_cy", "vbenterprisetranslator_cache_de", "vbenterprisetranslator_cache_el", "vbenterprisetranslator_cache_en", "vbenterprisetranslator_cache_es", "vbenterprisetranslator_cache_et", "vbenterprisetranslator_cache_fa", "vbenterprisetranslator_cache_fi", "vbenterprisetranslator_cache_fr", "vbenterprisetranslator_cache_ga", "vbenterprisetranslator_cache_gl", "vbenterprisetranslator_cache_hi", "vbenterprisetranslator_cache_hr", "vbenterprisetranslator_cache_hu", "vbenterprisetranslator_cache_id", "vbenterprisetranslator_cache_is", "vbenterprisetranslator_cache_it", "vbenterprisetranslator_cache_iw", "vbenterprisetranslator_cache_ja", "vbenterprisetranslator_cache_ko", "vbenterprisetranslator_cache_lt", "vbenterprisetranslator_cache_lv", "vbenterprisetranslator_cache_mk", "vbenterprisetranslator_cache_ms", "vbenterprisetranslator_cache_mt", "vbenterprisetranslator_cache_nl", "vbenterprisetranslator_cache_no", "vbenterprisetranslator_cache_pl", "vbenterprisetranslator_cache_pt", "vbenterprisetranslator_cache_ro", "vbenterprisetranslator_cache_ru", "vbenterprisetranslator_cache_sk", "vbenterprisetranslator_cache_sl", "vbenterprisetranslator_cache_sq", "vbenterprisetranslator_cache_sr", "vbenterprisetranslator_cache_sv", "vbenterprisetranslator_cache_sw", "vbenterprisetranslator_cache_th", "vbenterprisetranslator_cache_tl", "vbenterprisetranslator_cache_tr", "vbenterprisetranslator_cache_uk", "vbenterprisetranslator_cache_vi", "vbenterprisetranslator_cache_yi", "vbenterprisetranslator_cache_zh-CN", "vbenterprisetranslator_cache_zh-TW", "vbenterprisetranslator_cache_short_da", "vbenterprisetranslator_cache_short_ar", "vbenterprisetranslator_cache_short_be", "vbenterprisetranslator_cache_short_bg", "vbenterprisetranslator_cache_short_ca", "vbenterprisetranslator_cache_short_cs", "vbenterprisetranslator_cache_short_cy", "vbenterprisetranslator_cache_short_de", "vbenterprisetranslator_cache_short_el", "vbenterprisetranslator_cache_short_en", "vbenterprisetranslator_cache_short_es", "vbenterprisetranslator_cache_short_et", "vbenterprisetranslator_cache_short_fa", "vbenterprisetranslator_cache_short_fi", "vbenterprisetranslator_cache_short_fr", "vbenterprisetranslator_cache_short_ga", "vbenterprisetranslator_cache_short_gl", "vbenterprisetranslator_cache_short_hi", "vbenterprisetranslator_cache_short_hr", "vbenterprisetranslator_cache_short_hu", "vbenterprisetranslator_cache_short_id", "vbenterprisetranslator_cache_short_is", "vbenterprisetranslator_cache_short_it", "vbenterprisetranslator_cache_short_iw", "vbenterprisetranslator_cache_short_ja", "vbenterprisetranslator_cache_short_ko", "vbenterprisetranslator_cache_short_lt", "vbenterprisetranslator_cache_short_lv", "vbenterprisetranslator_cache_short_mk", "vbenterprisetranslator_cache_short_ms", "vbenterprisetranslator_cache_short_mt", "vbenterprisetranslator_cache_short_nl", "vbenterprisetranslator_cache_short_no", "vbenterprisetranslator_cache_short_pl", "vbenterprisetranslator_cache_short_pt", "vbenterprisetranslator_cache_short_ro", "vbenterprisetranslator_cache_short_ru", "vbenterprisetranslator_cache_short_sk", "vbenterprisetranslator_cache_short_sl", "vbenterprisetranslator_cache_short_sq", "vbenterprisetranslator_cache_short_sr", "vbenterprisetranslator_cache_short_sv", "vbenterprisetranslator_cache_short_sw", "vbenterprisetranslator_cache_short_th", "vbenterprisetranslator_cache_short_tl", "vbenterprisetranslator_cache_short_tr", "vbenterprisetranslator_cache_short_uk", "vbenterprisetranslator_cache_short_vi", "vbenterprisetranslator_cache_short_yi", "vbenterprisetranslator_cache_short_zh-CN", "vbenterprisetranslator_cache_short_zh-TW"):ignore = Trueexcept IndexError:sys.stderr.write(l)passif ignore and "INSERT" in line:line = sys.stdin.readline()continueif "UNLOCK TABLES" in line:ignore = False sys.stdout.write(line)line = sys.stdin.readline() Atcerieties, lai palaistu: chmod + x / root / dump.py no saknes (vienu reizi tikai pirms braukšanas partijas darba pirmo reizi)

krisp
22-01-10, 15:51
Cita iespējama (nepārbaudītu) vairāk vienkāršs risinājums: mysqldump-u lietotājvārds-ppassword databasename | grep-P-v "INSERT INTO (` table1 `|` table2 `)"> dump.sql

(Atcerieties, lai izmantotu `un nevis")

vBET
23-10-13, 09:48
Un daudz vienkāršāk - vienkārši iestatiet vBET cache ārējās datu bāzes izmantošanu :)
Tas ir konfigurējams un lepojās ar Admin CP (Admin CP -> vBET Cache -> External DB Cache).

Šo ceļu kešatmiņas tabulās būs otra datu bāze un jūsu forumā, kešatmiņu un bez jebkādu triku varat rezerves :)

janetfdoss
12-05-15, 10:47
Pārsteidzošs palīdzēt šeit. Tagad es varu to darīt bez jebkāda veida palīdzība. paldies

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