From a01568c77f13d7df2de8fe02dd5403be4543193b Mon Sep 17 00:00:00 2001
From: Mateusz Czeladka <mateusz.szczap@gmail.com>
Date: Fri, 7 Mar 2025 21:10:24 +0100
Subject: [PATCH] feat: simple performance / scalability fixes.

---
 .../account/service/AccountServiceImpl.java    |  4 ++--
 .../api/block/service/BlockServiceImpl.java    |  7 +++++--
 .../network/service/NetworkServiceImpl.java    |  1 +
 .../resources/config/application-online.yaml   | 18 ++++++++++--------
 4 files changed, 18 insertions(+), 12 deletions(-)

diff --git a/api/src/main/java/org/cardanofoundation/rosetta/api/account/service/AccountServiceImpl.java b/api/src/main/java/org/cardanofoundation/rosetta/api/account/service/AccountServiceImpl.java
index bfad1b3f9..33b8f4981 100644
--- a/api/src/main/java/org/cardanofoundation/rosetta/api/account/service/AccountServiceImpl.java
+++ b/api/src/main/java/org/cardanofoundation/rosetta/api/account/service/AccountServiceImpl.java
@@ -53,7 +53,7 @@ public AccountBalanceResponse getAccountBalance(AccountBalanceRequest accountBal
     CardanoAddressUtils.verifyAddress(accountAddress);
 
     PartialBlockIdentifier blockIdentifier = accountBalanceRequest.getBlockIdentifier();
-    log.info("[accountBalance] Looking for block: {} || latest}", blockIdentifier);
+    log.debug("[accountBalance] Looking for block: {} || latest}", blockIdentifier);
 
     if (Objects.nonNull(blockIdentifier)) {
       index = blockIdentifier.getIndex();
@@ -92,7 +92,7 @@ private AccountBalanceResponse findBalanceDataByAddressAndBlock(String address,
 
     return findBlockOrLast(number, hash)
             .map(blockDto -> {
-              log.info("Looking for utxos for address {} and block {}",
+              log.debug("Looking for utxos for address {} and block {}",
                       address,
                       blockDto.getHash()
               );
diff --git a/api/src/main/java/org/cardanofoundation/rosetta/api/block/service/BlockServiceImpl.java b/api/src/main/java/org/cardanofoundation/rosetta/api/block/service/BlockServiceImpl.java
index d9fefda85..ee4545f63 100644
--- a/api/src/main/java/org/cardanofoundation/rosetta/api/block/service/BlockServiceImpl.java
+++ b/api/src/main/java/org/cardanofoundation/rosetta/api/block/service/BlockServiceImpl.java
@@ -24,13 +24,16 @@ public class BlockServiceImpl implements BlockService {
 
   @Override
   public Block findBlock(Long index, String hash) {
-    log.info("[block] Looking for block: hash={}, index={}", hash, index);
+    log.debug("[block] Looking for block: hash={}, index={}", hash, index);
+
     Optional<Block> blockOpt = ledgerBlockService.findBlock(index, hash);
     if (blockOpt.isPresent()) {
       var block = blockOpt.get();
-      log.info("Block was found, hash={}", block.getHash());
+      log.debug("Block was found, hash={}", block.getHash());
+
       block.setPoolDeposit(String.valueOf(protocolParamService.findProtocolParameters().getPoolDeposit()));
       log.debug("full data {}", block);
+
       return block;
     }
     log.error("Block was not found");
diff --git a/api/src/main/java/org/cardanofoundation/rosetta/api/network/service/NetworkServiceImpl.java b/api/src/main/java/org/cardanofoundation/rosetta/api/network/service/NetworkServiceImpl.java
index 4d0aaf46d..ece488950 100644
--- a/api/src/main/java/org/cardanofoundation/rosetta/api/network/service/NetworkServiceImpl.java
+++ b/api/src/main/java/org/cardanofoundation/rosetta/api/network/service/NetworkServiceImpl.java
@@ -151,6 +151,7 @@ public Network getSupportedNetwork() {
 
   private NetworkStatus networkStatus() {
     log.info("[networkStatus] Looking for latest block");
+
     BlockIdentifierExtended latestBlock = ledgerBlockService.findLatestBlockIdentifier();
     log.debug("[networkStatus] Latest block found {}", latestBlock);
 
diff --git a/api/src/main/resources/config/application-online.yaml b/api/src/main/resources/config/application-online.yaml
index da91255ff..4e6a6bf64 100644
--- a/api/src/main/resources/config/application-online.yaml
+++ b/api/src/main/resources/config/application-online.yaml
@@ -4,20 +4,22 @@ spring:
     password: ${DB_SECRET:weakpwd#123_d}
     url: jdbc:postgresql://${DB_HOST:localhost}:${DB_PORT:5433}/${DB_NAME:test}?currentSchema=${DB_SCHEMA:preprod}
     hikari:
-#      default connection-timeout is 30 seconds
-      connectionTimeout: 100000
-#      default pool size is 10
-#      connections = ((core_count * 2) + effective_spindle_count)
-      maximumPoolSize: 12
-#      for developing purposes
+      connectionTimeout: 100000 #default connection-timeout is 30 seconds
+      minimumIdle: 2
+      connections: 48 # ((core_count * 2) + effective_spindle_count), 48 for 16 cores, NVMe Storage, spindle count 16
+
+      keepaliveTime: 60000 # Sends a keep-alive query every 60s to prevent connection closure
+
+      maximumPoolSize: 20 # default pool size is 10
       leakDetectionThreshold: 60000
+
   jpa:
     properties:
       hibernate:
         format_sql: true
     hibernate:
       ddl-auto: none
-    show-sql: true
+    show-sql: false
   mvc:
     log-resolved-exception: true
   output:
@@ -29,4 +31,4 @@ cardano:
     OFFLINE_MODE: false
     YACI_HTTP_BASE_URL: ${YACI_HTTP_BASE_URL:http://localhost:9095}
     HTTP_CONNECT_TIMEOUT_SECONDS: ${HTTP_CONNECT_TIMEOUT_SECONDS:5}
-    HTTP_REQUEST_TIMEOUT_SECONDS: ${HTTP_REQUEST_TIMEOUT_SECONDS:5}
\ No newline at end of file
+    HTTP_REQUEST_TIMEOUT_SECONDS: ${HTTP_REQUEST_TIMEOUT_SECONDS:5}