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https://issues.apache.org/jira/browse/LUCENE-9379?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17151918#comment-17151918
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Bruno Roustant commented on LUCENE-9379:
----------------------------------------
TaskQPS Lucene86 StdDevQPS EncryptionTim StdDev Pct diff
Respell 41.55 (2.7%) 10.76 (0.9%) -74.1% ( -75% - -72%)
Fuzzy2 44.81 (9.0%) 12.00 (1.1%) -73.2% ( -76% - -69%)
Fuzzy1 41.03 (7.3%) 16.24 (1.9%) -60.4% ( -64% - -55%)
Wildcard 28.02 (4.0%) 14.94 (2.0%) -46.7% ( -50% - -42%)
OrHighNotLow 747.43 (4.2%) 485.90 (3.5%) -35.0% ( -40% - -28%)
OrNotHighMed 524.60 (4.2%) 344.06 (2.9%) -34.4% ( -39% - -28%)
OrHighNotHigh 576.32 (5.0%) 382.60 (4.0%) -33.6% ( -40% - -25%)
OrHighNotMed 553.85 (4.1%) 371.73 (3.4%) -32.9% ( -38% - -26%)
MedTerm 1116.53 (3.6%) 766.39 (2.6%) -31.4% ( -36% - -26%)
LowTerm 1376.31 (4.2%) 947.48 (3.0%) -31.2% ( -36% - -25%)
OrNotHighLow 492.68 (4.7%) 342.05 (4.7%) -30.6% ( -38% - -22%)
AndHighLow 482.97 (3.8%) 342.18 (3.4%) -29.2% ( -34% - -22%)
OrHighLow 410.23 (3.7%) 294.38 (3.8%) -28.2% ( -34% - -21%)
HighTerm 971.63 (5.3%) 701.77 (3.2%) -27.8% ( -34% - -20%)
OrNotHighHigh 493.99 (5.1%) 358.95 (3.9%) -27.3% ( -34% - -19%)
LowPhrase 286.03 (2.9%) 246.04 (2.8%) -14.0% ( -19% - -8%)
HighPhrase 290.25 (3.3%) 252.54 (3.4%) -13.0% ( -18% - -6%)
Prefix3 51.36 (4.8%) 45.20 (4.1%) -12.0% ( -19% - -3%)
AndHighMed 113.34 (4.0%) 105.77 (4.0%) -6.7% ( -14% - 1%)
MedSloppyPhrase 79.83 (3.5%) 74.78 (3.6%) -6.3% ( -13% - 0%)
HighTermDayOfYearSort 63.32 (13.3%) 59.34 (14.6%) -6.3% ( -30% - 24%)
HighTermTitleBDVSort 86.16 (10.3%) 81.63 (10.0%) -5.3% ( -23% - 16%)
LowSpanNear 58.07 (3.1%) 55.13 (3.2%) -5.1% ( -10% - 1%)
AndHighHigh 44.58 (4.1%) 42.92 (4.2%) -3.7% ( -11% - 4%)
OrHighMed 56.53 (4.4%) 54.65 (4.1%) -3.3% ( -11% - 5%)
BrowseDateTaxoFacets 1.54 (4.6%) 1.50 (5.2%) -2.5% ( -11% - 7%)
HighTermMonthSort 18.51 (10.5%) 18.06 (10.1%) -2.4% ( -20% - 20%)
BrowseDayOfYearTaxoFacets 1.53 (4.7%) 1.49 (5.3%) -2.3% ( -11% - 8%)
BrowseMonthTaxoFacets 1.77 (3.5%) 1.74 (4.2%) -2.1% ( -9% - 5%)
HighSpanNear 12.75 (3.6%) 12.50 (4.1%) -2.0% ( -9% - 5%)
MedPhrase 107.89 (3.2%) 106.01 (3.9%) -1.7% ( -8% - 5%)
HighSloppyPhrase 12.86 (4.0%) 12.71 (4.7%) -1.2% ( -9% - 7%)
MedSpanNear 11.76 (3.1%) 11.62 (3.4%) -1.1% ( -7% - 5%)
HighIntervalsOrdered 13.61 (3.2%) 13.46 (3.3%) -1.1% ( -7% - 5%)
OrHighHigh 11.12 (3.7%) 11.12 (4.1%) -0.1% ( -7% - 8%)
BrowseMonthSSDVFacets 4.28 (3.9%) 4.29 (3.9%) 0.2% ( -7% - 8%)
BrowseDayOfYearSSDVFacets 3.82 (3.7%) 3.84 (3.4%) 0.3% ( -6% - 7%)
IntNRQ 25.54 (3.1%) 26.34 (3.4%) 3.1% ( -3% - 9%)
PKLookup 174.98 (3.0%) 183.78 (4.5%) 5.0% ( -2% - 12%)
LowSloppyPhrase 6.29 (3.5%) 6.89 (4.5%) 9.6% ( 1% - 18%)
> Directory based approach for index encryption
> ---------------------------------------------
>
> Key: LUCENE-9379
> URL: https://issues.apache.org/jira/browse/LUCENE-9379
> Project: Lucene - Core
> Issue Type: New Feature
> Reporter: Bruno Roustant
> Assignee: Bruno Roustant
> Priority: Major
> Time Spent: 2h 20m
> Remaining Estimate: 0h
>
> The goal is to provide optional encryption of the index, with a scope limited
> to an encryptable Lucene Directory wrapper.
> Encryption is at rest on disk, not in memory.
> This simple approach should fit any Codec as it would be orthogonal, without
> modifying APIs as much as possible.
> Use a standard encryption method. Limit perf/memory impact as much as
> possible.
> Determine how callers provide encryption keys. They must not be stored on
> disk.
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