Last change
on this file since 2720 was
1381,
checked in by piv, 15 years ago
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merge from 2.1 branch, this adds flushcache section
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File size:
1.1 KB
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1 | Flush cache section |
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2 | =================== |
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3 | |
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4 | A flushcache pipeline section flushes zope cache every so often, which has an |
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5 | effect of freeing up memory. This section is useful while performing migration |
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6 | on a weak system with a low memory. The flushcache section blueprint name is |
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7 | ``quintagroup.transmogrifier.flushcache``. |
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8 | |
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9 | A flushcache section takes an optional ``every`` option, which defaults to |
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10 | 1000; cache is being flushed every ``every`` items passing through the pipe. |
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11 | A flushcache section doesn't alter the items in any way: |
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12 | |
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13 | >>> flushcache = """ |
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14 | ... [transmogrifier] |
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15 | ... pipeline = |
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16 | ... source |
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17 | ... flushcache |
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18 | ... |
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19 | ... [source] |
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20 | ... blueprint = collective.transmogrifier.sections.tests.rangesource |
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21 | ... size = 10 |
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22 | ... |
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23 | ... [flushcache] |
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24 | ... blueprint = quintagroup.transmogrifier.flushcache |
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25 | ... every = 3 |
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26 | ... """ |
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27 | >>> registerConfig(u'quintagroup.transmogrifier.tests.flushcache', flushcache) |
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28 | |
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29 | We'll show caching is flushed using dedicated variable on dummy plone instance |
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30 | called 'cacheMinimized'. Which is a number of caches performed. |
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31 | |
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32 | >>> transmogrifier(u'quintagroup.transmogrifier.tests.flushcache') |
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33 | >>> transmogrifier.context.cacheMinimized |
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34 | 3 |
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