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irbekrm/events
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bradfitz/devattr
bradfitz/avoid_initial
percy/issue24522-1-continuous-bandwidth
dependabot/github_actions/slackapi/slack-github-action-2.0.0
dependabot/github_actions/github/codeql-action-3.27.4
dependabot/github_actions/actions/checkout-4.2.2
flakes
dependabot/npm_and_yarn/client/web/cross-spawn-7.0.5
raggi/derp-intern-key
bradfitz/controll
jonathan/netmap_ratelimiter
percy/issue24522-2-region-restrict-yaml
andrew/dnscache-hard-code-localhost
irbekrm/debug
tomhjp/transient-pg-errors
bradfitz/nodepublic_uniq
tomhjp/k8s-usermetrics
bradfitz/bench
fran/natc-raft
irbekrm/connector_multireplica
release-branch/1.76
lp
bradfitz/percy/unforked-ssh-try-gomod
percy/unforked-ssh-try
operator_direct_connections
bradfitz/mesh_vpc
irbekrm/egressc
knyar/metricshelp
tomhjp/k8s-diagrams
irbekrm/serve_log
andrew/keyfallback
naman/web-client-update-fixes
percy/derp-jwt
andrew/wgengine-router-debug
bradfitz/cmd_printmetric
adrian/stricter-labels
bradfitz/ssh_config_from_env
dsnet/tsweb-localhost
kradalby/usermetrics-wgengine-errors
dsnet/slices-collect
tomhjp/tailscaled-kube-conf
mpminardi/dsm-7-2-builds-fix
13765-taildrive-server-unexpectedly-starts-on-apple-tv
angott/23782
bradfitz/vizerrinternal2
bradfitz/vizinternal
fran/fix-appc-routes
irbekrm/egressconfig
dependabot/github_actions/golangci/golangci-lint-action-6.1.1
13685-low-memory-mode-in-logtail-may-no-longer-be-needed
angott/doh-clients-sleep-mode
release-branch/1.74
tomhjp/comparable-struct-as-key
adrian/vip
andrew/noise-conn-test
bradfitz/quic_dns
knyar/usermetrics-wgengine
raggi/eperm-health
fran/natc-consensus-prototype
bradfitz/dup_add
bradfitz/derp_flow_track
dependabot/npm_and_yarn/client/web/rollup-4.22.4
kradalby/userfacing-metrics-moar
angott/dns-cli-stream
dependabot/npm_and_yarn/client/web/vite-5.1.8
maisem/tsnet-forward
bradfitz/rm_x_crypto_fork
angott/captive-exit-node-disablement
bradfitz/bumptoolchain
angott/tvos-23087
nickkhyl/http2-for-win-safesocket
irbekrm/egresshapm
dependabot/npm_and_yarn/cmd/tsconnect/micromatch-4.0.8
irbekrm/egressha
nickkhyl/authurl-notify-backport
jwhited/test-local-forwarder
release-branch/1.72
jonathan/missing_resolvers
knyar/userfacing-metrics
andrew/disco-af-packet-refactor
jwhited/gvisor-revert-gro
irbekrm/proxycidrs
22332-macos-sequoia-hostname
knyar/metrictype
dependabot/go_modules/github.com/docker/docker-26.1.5incompatible
bradfitz/vnet2
jwhited/derp-https-tcp-connect
raggi/callmebaby
awly/cli-json-docs
raggi/linux6644
irbekrm/reload_config
maisem/flake-3
nickkhyl/syspolicy-new
jonathan/vznet
irbekrm/dnat
raggi/dnsfallback
irbekrm/websocket
andrew/captive-use-atomic
marwan/offunc
jwhited/gVisor-gso-gro
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tomhjp/e2e-tests
irbekrm/kubetestsetup
irbekrm/eks
dsnet/syncs-lock
raggi/derp-route-optimization
will-systray
bradfitz/json2
andrew/dns-more-logging
andrew/net-dns-systemd-no-stub
release-branch/1.68
fran/fix-appc-write-new-domain
adrian/fix-vet-failures
angott/dns-warnables
andrew/workgraph
agottardo-patch-1
bradfitz/resume
irbekrm/operator_linux_only
nickkhyl/posture-sn-override
kradalby/chaos
angott/ignore-some-warnings-startup
dependabot/npm_and_yarn/cmd/tsconnect/braces-3.0.3
irbekrm/fixsubnets
irbekrm/dnstest
irbekrm/fix
irbekrm/accept_routes
percy/issue8593
percy/issue8593-prep
jonathan/sugg_exit_node_fix
release-branch/1.66
icio/public-key-short
clairew/handle-auto-exit-node-value
knyar/install2
will/tsnet-udp
raggi/web-zst-precompress
raggi/gocross-empty-goos-goarch
andrew/dns-fallback
andrew/prom-omit-metrics
jwhited/android-packet-vectors
knyar/renew
bradfitz/debug_tstest
clairew/revert-storing-last-suggested
andrew/debug-integration-tests
fran/appc-ensmallen-gh-preset
ox/11854-3-sftp
percy/cherry-pick-2648d475d751b47755958f47a366e300b6b6de0a
ox/corp-19592
ox/11954-3
ox/11854
kevin/Split_Remove_advertised_routes_from_pref
dsnet/logtail-buffer2
bradfitz/dataplane_logs_no_logs_no_support
nickkhyl/ipn-user-identity
irbekrm/extsvcnftableslb
andrew/dns-wrap-errors
release-branch/1.64
noncombatant/safeweb-cleanup
bradfitz/login_retry
patrickod/installer-yml-fixup
release-branch/1.64.0
fran/appc-store-routes-by-source
andrew/controlclient-use-last-addr
enable-exit-node-dst-logs
clairew/peer-node-capability-documentation
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enable-exit-node-dst-logs-2
licenses/corp
dsnet/logpolicy-opts
licenses/android
jonathan/taildrop_path
licenses/cli
release-branch/1.62
clairew/log-dst-exit-node
fran/appc-domain-delte-prototype
irbekrm/maybe_fix_v6
oxtoacart/golden_memory
irbekrm/cherry_fix_panic
oxtoacart/no_indent_status
angott/corp-18441
soniaappasamy/serve-funnel-ui
brafitz/remote-config
andrew/control-key-store
maisem/proxy-1
release-branch/1.60
andrew/netstack-forwarder-debug
oxtoacart/immediately_access_shares
knyar/install
irbekrm/splitkeys
oxtoacart/automount
angott/sleep-debug-apis
clairew/suggest-non-mullvad-exit-node
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clairew/add-latitude-longitude
irbekrm/operatorversion
oxtoacart/dsnet_codereview_fixes
clairew/client-suggest-node-poc
raggi/rand
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will/containerboot-webui
irbekrm/clustermagicdns
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catzkorn/jira
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kradalby/view-only-type
clairew/add-disco-pong-padding
clairew/receive-icmp-errors
dgentry-b10911
irbekrm/proxyclass2
irbekrm/proxyclass
irbekrm/byocerts
knyar/worklifeposture
dsnet/httpio
will/webclient-mobile
will/webclient-csrf
irbekrm/static_crd
irbekrm/manifests_crd
maisem/exp-k8s
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irbekrm/containerbootdeclarativeconf
kube_exp
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raggi/stun-subprocess
andrew/nixos-vm-tests
irbekrm/set_args
andrew/peer-ipv6-addrs
irbekrm/external_services
irbekrm/os
irbekrm/pull_in_certs
irbekrm/kube_build_tags
release-branch/1.56
jwhited/derp-cmm-timestamp
soniaappasamy/use-swr
marwan/displayname
release-branch/1.54
danderson/debug-garden
jwhited/unsafe-exp
clairew/test-wrapper-file
bradfitz/compontent_logs
kradalby-keys-db-interface
kradalby/keys-db-interface
andrew/upnp-unfork
bm/tsoidc
irbekrm/le
knyar/restartmap
kristoffer/editable-tailnet-displayname
raggi/document-deprecated-approach
dsnet/statestore
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bradfitz/ipx_set_contains
knyar/derpmesh
irbekrm/chartandcli
richard/15037-2
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richard/15037
bradfitz/tbug
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will/sonia/web-tailscaled
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irbekrm/kubeipnft
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knyar/posturemac
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raggi/restore-extra-records-dns
aaron/win_process_mitigations
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clairew/mdm-interface
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bradfitz/matrix
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raggi/netfilter-runtime
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bradfitz/ignore_ula
clairew/tstime-net
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bradfitz/tkasig_type
shayne/k8s-serve
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clairew/use-tstime-etc
bradfitz/negdep
raggi/stunc
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clairew/refactor-new-timer
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andrew/hostinfo-HavePortMap
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danderson/helm
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coral-gitops
gitops-1.30.0
gitops-1.58.2
nginx-auth-0.1.2
v0.100.0-107
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v1.75.0-pre
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Commit Graph

1 Commits (24a40f54d9df29fdf4c9f777bdb70a244b551e80)

Author SHA1 Message Date
Andrew Dunham 8e4a29433f util/pool: add package for storing and using a pool of items 
This can be used to implement a persistent pool (i.e. one that isn't
cleared like sync.Pool is) of items–e.g. database connections.

Some benchmarks vs. a naive implementation that uses a single map
iteration show a pretty meaningful improvement:

    $ benchstat -col /impl ./bench.txt
    goos: darwin
    goarch: arm64
    pkg: tailscale.com/util/pool
                       │    Pool     │                   map                    │
                       │   sec/op    │     sec/op      vs base                  │
    Pool_AddDelete-10    10.56n ± 2%     15.11n ±  1%    +42.97% (p=0.000 n=10)
    Pool_TakeRandom-10   56.75n ± 4%   1899.50n ± 20%  +3246.84% (p=0.000 n=10)
    geomean              24.49n          169.4n         +591.74%

Updates tailscale/corp#19900

Signed-off-by: Andrew Dunham <andrew@du.nham.ca>
Change-Id: Ie509cb65573c4726cfc3da9a97093e61c216ca18
 6 months ago