| 489 | } |
| 490 | |
| 491 | void DatabaseConfiguration::overwriteProxiesCount() { |
| 492 | Key commitProxiesKey = getKeyWithPrefix("commit_proxies"); |
| 493 | Key grvProxiesKey = getKeyWithPrefix("grv_proxies"); |
| 494 | Key proxiesKey = getKeyWithPrefix("proxies"); |
| 495 | Optional<ValueRef> optCommitProxies = DatabaseConfiguration::get(commitProxiesKey); |
| 496 | Optional<ValueRef> optGrvProxies = DatabaseConfiguration::get(grvProxiesKey); |
| 497 | Optional<ValueRef> optProxies = DatabaseConfiguration::get(proxiesKey); |
| 498 | |
| 499 | const int mutableGrvProxyCount = optGrvProxies.present() ? toInt(optGrvProxies.get()) : -1; |
| 500 | const int mutableCommitProxyCount = optCommitProxies.present() ? toInt(optCommitProxies.get()) : -1; |
| 501 | const int mutableProxiesCount = optProxies.present() ? toInt(optProxies.get()) : -1; |
| 502 | |
| 503 | if (mutableProxiesCount > 1) { |
| 504 | TraceEvent(SevDebug, "OverwriteProxiesCount") |
| 505 | .detail("CPCount", commitProxyCount) |
| 506 | .detail("MutableCPCount", mutableCommitProxyCount) |
| 507 | .detail("GrvCount", grvProxyCount) |
| 508 | .detail("MutableGrvCPCount", mutableGrvProxyCount) |
| 509 | .detail("MutableProxiesCount", mutableProxiesCount); |
| 510 | |
| 511 | if (mutableGrvProxyCount == -1 && mutableCommitProxyCount > 0) { |
| 512 | if (mutableProxiesCount > mutableCommitProxyCount) { |
| 513 | grvProxyCount = mutableProxiesCount - mutableCommitProxyCount; |
| 514 | } else { |
| 515 | // invalid configuration; provision min GrvProxies |
| 516 | grvProxyCount = 1; |
| 517 | commitProxyCount = mutableProxiesCount - 1; |
| 518 | } |
| 519 | } else if (mutableGrvProxyCount > 0 && mutableCommitProxyCount == -1) { |
| 520 | if (mutableProxiesCount > mutableGrvProxyCount) { |
| 521 | commitProxyCount = mutableProxiesCount - grvProxyCount; |
| 522 | } else { |
| 523 | // invalid configuration; provision min CommitProxies |
| 524 | commitProxyCount = 1; |
| 525 | grvProxyCount = mutableProxiesCount - 1; |
| 526 | } |
| 527 | } else if (mutableGrvProxyCount == -1 && mutableCommitProxyCount == -1) { |
| 528 | // Use DEFAULT_COMMIT_GRV_PROXIES_RATIO to split proxies between Grv & Commit proxies |
| 529 | const int derivedGrvProxyCount = |
| 530 | std::max(1, |
| 531 | std::min(CLIENT_KNOBS->DEFAULT_MAX_GRV_PROXIES, |
| 532 | mutableProxiesCount / (CLIENT_KNOBS->DEFAULT_COMMIT_GRV_PROXIES_RATIO + 1))); |
| 533 | |
| 534 | grvProxyCount = derivedGrvProxyCount; |
| 535 | commitProxyCount = mutableProxiesCount - grvProxyCount; |
| 536 | } |
| 537 | |
| 538 | TraceEvent(SevDebug, "OverwriteProxiesCountResult") |
| 539 | .detail("CommitProxyCount", commitProxyCount) |
| 540 | .detail("GrvProxyCount", grvProxyCount) |
| 541 | .detail("ProxyCount", mutableProxiesCount); |
| 542 | } |
| 543 | } |
| 544 | |
| 545 | bool DatabaseConfiguration::setInternal(KeyRef key, ValueRef value) { |
| 546 | KeyRef ck = key.removePrefix(configKeysPrefix); |
nothing calls this directly
no test coverage detected