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annotate mod_presence_dedup/README.markdown @ 4877:adc6241e5d16

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mod_measure_process: Report the enforced limit The soft limit is what the kernel actually enforces, while the hard limit is is how far you can change the soft limit without privileges. Unless the process dynamically adjusts the soft limit, knowing the hard limit is not as useful as knowing the soft limit. Reporting the soft limit and the number of in-use FDs allows placing alerts on expressions like 'process_open_fds / process_max_fds >= 0.95'
author Kim Alvefur <zash@zash.se>
date Tue, 18 Jan 2022 18:55:20 +0100
parents ea6b5321db50
children
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2 summary: Presence deduplication module
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3 labels:
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4 - 'Stage-Alpha'
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5 ...
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7 This module tries to squash incoming identical presence stanzas to save
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8 some bandwidth at the cost of increased memory use.
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10 Configuration
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11 =============
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12
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13 Option Type Default
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14 ------------------------------ -------- ---------
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15 presence\_dedup\_cache\_size number `100`
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16
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17 The only setting controls how many presence stanzas *per session* are
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18 kept in memory for comparing with incoming presenece.
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19
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20 Requires Prosody 0.10 or later.