---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12049 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.94 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 68G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 721 10439 4 4828 14925 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:d3:a0:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82452sec preferred_lft 82452sec inet6 fe80::f816:3eff:fed3:a099/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:0a:d6:bc:1a:9a brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-12049) 05/08/26 _x86_64_ (4 CPU) 14:08:28 LINUX RESTART (4 CPU) 14:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:18 4.16 0.09 3.78 0.28 3.64 265.37 572.00 14:30:10 1.47 0.01 1.46 0.00 0.30 16.94 0.19 14:40:35 1.37 0.00 1.37 0.00 0.00 15.46 0.00 14:50:18 53.15 4.26 47.52 1.37 264.97 5186.39 3021.72 15:00:15 29.21 0.78 24.94 3.50 28.18 3295.48 6982.46 15:10:19 7.93 0.39 6.35 1.18 13.49 1613.40 398.38 Average: 15.95 0.90 14.00 1.05 50.50 1705.92 1807.85 14:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:18 13649608 15501616 514636 3.14 57252 2020552 1140488 6.55 229944 2226556 20 14:30:10 13650216 15503012 513332 3.14 57840 2020744 1148744 6.59 230528 2227192 40 14:40:35 13650628 15504056 512264 3.13 58440 2020748 1148744 6.59 231136 2229320 4 14:50:18 10683984 14001620 1958056 11.96 133392 3314392 2355892 13.52 582348 4737460 22296 15:00:15 8851216 13309508 2641604 16.13 169192 4336340 3449440 19.80 889184 6167604 303096 15:10:19 10768696 15353460 597164 3.65 175628 4445876 1103544 6.33 930504 4166056 120 Average: 11875725 14862212 1122843 6.86 108624 3026442 1724475 9.90 515607 3625698 54263 14:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:18 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 14:20:18 ens3 4.79 2.03 84.23 0.17 0.00 0.00 0.00 0.00 14:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:10 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:30:10 ens3 0.25 0.09 0.04 0.02 0.00 0.00 0.00 0.00 14:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:35 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 14:40:35 ens3 0.28 0.11 0.07 0.04 0.00 0.00 0.00 0.00 14:40:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:18 lo 1.15 1.15 0.12 0.12 0.00 0.00 0.00 0.00 14:50:18 ens3 148.44 114.06 1014.78 25.38 0.00 0.00 0.00 0.00 14:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:15 lo 1542.68 1542.68 1470.70 1470.70 0.00 0.00 0.00 0.00 15:00:15 ens3 89.42 67.20 416.47 18.72 0.00 0.00 0.00 0.00 15:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:19 lo 115.78 115.78 101.87 101.87 0.00 0.00 0.00 0.00 15:10:19 ens3 35.79 38.45 31.49 91.29 0.00 0.00 0.00 0.00 15:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 275.04 275.04 260.57 260.57 0.00 0.00 0.00 0.00 Average: ens3 45.74 36.42 252.70 22.55 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-12049) 05/08/26 _x86_64_ (4 CPU) 14:08:28 LINUX RESTART (4 CPU) 14:10:15 CPU %user %nice %system %iowait %steal %idle 14:20:18 all 0.30 0.00 0.12 0.05 0.02 99.51 14:20:18 0 0.07 0.00 0.08 0.05 0.01 99.79 14:20:18 1 0.33 0.00 0.23 0.10 0.01 99.33 14:20:18 2 0.26 0.00 0.09 0.04 0.01 99.59 14:20:18 3 0.53 0.00 0.08 0.02 0.03 99.34 14:30:10 all 0.06 0.00 0.02 0.01 0.02 99.90 14:30:10 0 0.02 0.00 0.03 0.01 0.02 99.91 14:30:10 1 0.05 0.00 0.01 0.01 0.02 99.91 14:30:10 2 0.03 0.00 0.01 0.00 0.01 99.94 14:30:10 3 0.12 0.00 0.03 0.01 0.01 99.83 14:40:35 all 0.18 0.00 0.02 1.75 0.01 98.03 14:40:35 0 0.02 0.00 0.02 0.00 0.01 99.94 14:40:35 1 0.65 0.00 0.02 0.00 0.01 99.32 14:40:35 2 0.03 0.00 0.02 7.00 0.01 92.93 14:40:35 3 0.02 0.00 0.02 0.01 0.01 99.94 14:50:18 all 52.71 0.00 1.96 0.27 0.09 44.97 14:50:18 0 54.26 0.00 1.84 0.31 0.08 43.50 14:50:18 1 50.14 0.00 1.82 0.18 0.09 47.76 14:50:18 2 54.72 0.00 2.16 0.14 0.09 42.89 14:50:18 3 51.72 0.00 2.03 0.44 0.08 45.73 15:00:15 all 69.25 0.00 2.74 0.06 0.11 27.85 15:00:15 0 66.31 0.00 2.57 0.04 0.11 30.97 15:00:15 1 69.90 0.00 2.64 0.06 0.11 27.29 15:00:15 2 69.37 0.00 3.00 0.07 0.10 27.45 15:00:15 3 71.42 0.00 2.75 0.05 0.11 25.66 15:10:19 all 14.96 0.00 0.53 0.05 0.03 84.42 15:10:19 0 14.81 0.00 0.52 0.01 0.03 84.62 15:10:19 1 19.98 0.00 0.69 0.03 0.03 79.27 15:10:19 2 12.44 0.00 0.48 0.13 0.03 86.92 15:10:19 3 12.60 0.00 0.42 0.05 0.03 86.89 Average: all 22.56 0.00 0.89 0.38 0.05 76.13 Average: 0 22.24 0.00 0.83 0.07 0.04 76.81 Average: 1 23.17 0.00 0.89 0.06 0.05 75.83 Average: 2 22.45 0.00 0.95 1.28 0.04 75.28 Average: 3 22.37 0.00 0.88 0.09 0.05 76.61