---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-25807 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: 5599.99 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 18G 60G 23% / 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 682 12563 3 2743 14964 Swap: 1023 47 976 ---> 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:29:e9:43 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.28/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79928sec preferred_lft 79928sec inet6 fe80::f816:3eff:fe29:e943/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:e9:aa:4a:be:98 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 inet6 fe80::38e9:aaff:fe4a:be98/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-25807) 06/08/26 _x86_64_ (4 CPU) 06:35:23 LINUX RESTART (4 CPU) 06:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:50:11 75.72 4.03 68.04 3.65 361.86 23880.80 12528.91 07:00:11 48.07 20.66 25.95 1.47 1029.92 1859.73 1640.21 07:10:12 10.31 1.78 8.07 0.46 53.75 260.73 426.23 07:20:07 20.17 0.51 18.76 0.90 16.39 775.43 1317.31 07:30:13 10.34 0.48 9.46 0.40 14.75 253.25 712.75 07:40:13 5.52 0.32 5.03 0.18 11.43 130.95 113.47 07:50:13 7.89 0.44 7.11 0.33 15.90 229.44 148.84 08:00:13 21.18 0.59 4.96 15.63 20.51 147.54 210591.68 08:10:03 9.79 0.88 8.52 0.39 31.29 569.62 666.82 08:20:24 5.59 0.38 5.03 0.18 12.99 162.41 52.60 Average: 21.41 3.00 16.06 2.35 156.57 2820.89 22749.49 06:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:50:11 818840 3522856 12409908 75.79 254588 2472068 13406476 76.95 1926636 13071740 268 07:00:11 3785360 5385272 10554176 64.46 260264 1461052 11771120 67.57 1029744 11118132 1116 07:10:12 9131476 10763848 5177936 31.62 261808 1491832 6176220 35.45 1059240 5737360 60 07:20:07 13619412 15389784 556396 3.40 267272 1621180 1387364 7.96 1116112 1220808 8228 07:30:13 9599360 11393148 4550992 27.80 269288 1642592 5322556 30.55 1123800 5218580 240 07:40:13 9590488 11400956 4543220 27.75 270272 1658280 5323812 30.56 1128756 5222172 500 07:50:13 8201812 10045384 5898256 36.02 271152 1690564 6814592 39.12 1138564 6601992 132 08:00:13 9584712 11455500 4488836 27.42 273852 1715080 5348832 30.70 1153776 5213348 140 08:10:03 9334408 11339228 4604792 28.12 278060 1838672 5359488 30.76 1175012 5437524 240 08:20:24 8424684 10454972 5488532 33.52 278672 1863480 6173740 35.44 1189928 6313112 108 Average: 8209055 10115095 5827304 35.59 268523 1745480 6708420 38.51 1204157 6515477 1103 06:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:50:11 lo 16.57 16.57 13.51 13.51 0.00 0.00 0.00 0.00 06:50:11 ens3 46.76 34.11 711.13 3.83 0.00 0.00 0.00 0.00 06:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:11 lo 29.78 29.78 15.81 15.81 0.00 0.00 0.00 0.00 07:00:11 ens3 1.63 1.41 0.39 0.33 0.00 0.00 0.00 0.00 07:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:12 lo 35.96 35.96 15.04 15.04 0.00 0.00 0.00 0.00 07:10:12 ens3 1.18 1.02 0.25 0.21 0.00 0.00 0.00 0.00 07:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:07 lo 12.46 12.46 6.27 6.27 0.00 0.00 0.00 0.00 07:20:07 ens3 1.13 0.95 0.29 0.25 0.00 0.00 0.00 0.00 07:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:13 lo 19.61 19.61 10.24 10.24 0.00 0.00 0.00 0.00 07:30:13 ens3 0.75 0.66 0.15 0.12 0.00 0.00 0.00 0.00 07:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:13 lo 26.78 26.78 9.62 9.62 0.00 0.00 0.00 0.00 07:40:13 ens3 0.60 0.42 0.14 0.10 0.00 0.00 0.00 0.00 07:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:13 lo 20.94 20.94 11.46 11.46 0.00 0.00 0.00 0.00 07:50:13 ens3 0.81 0.70 0.18 0.14 0.00 0.00 0.00 0.00 07:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:13 lo 17.23 17.23 9.84 9.84 0.00 0.00 0.00 0.00 08:00:13 ens3 0.94 0.59 0.28 0.20 0.00 0.00 0.00 0.00 08:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:03 lo 13.56 13.56 7.23 7.23 0.00 0.00 0.00 0.00 08:10:03 ens3 1.05 0.73 0.33 0.25 0.00 0.00 0.00 0.00 08:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:24 lo 31.23 31.23 12.15 12.15 0.00 0.00 0.00 0.00 08:20:24 ens3 0.81 0.57 0.18 0.13 0.00 0.00 0.00 0.00 08:20:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.47 22.47 11.13 11.13 0.00 0.00 0.00 0.00 Average: ens3 5.56 4.11 71.20 0.55 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-16g-25807) 06/08/26 _x86_64_ (4 CPU) 06:35:23 LINUX RESTART (4 CPU) 06:40:11 CPU %user %nice %system %iowait %steal %idle 06:50:11 all 47.20 0.00 2.03 0.31 0.10 50.35 06:50:11 0 49.10 0.00 1.91 0.24 0.10 48.65 06:50:11 1 47.58 0.00 2.26 0.13 0.10 49.94 06:50:11 2 45.61 0.00 2.07 0.36 0.09 51.86 06:50:11 3 46.52 0.00 1.89 0.53 0.10 50.97 07:00:11 all 44.41 0.00 1.75 0.16 0.11 53.57 07:00:11 0 43.21 0.00 1.92 0.20 0.11 54.55 07:00:11 1 45.05 0.00 1.69 0.15 0.11 52.99 07:00:11 2 44.69 0.00 1.66 0.14 0.11 53.39 07:00:11 3 44.68 0.00 1.74 0.14 0.12 53.33 07:10:12 all 18.12 0.00 0.80 0.04 0.08 80.96 07:10:12 0 18.24 0.00 0.78 0.01 0.08 80.89 07:10:12 1 18.71 0.00 0.81 0.05 0.08 80.34 07:10:12 2 18.06 0.00 0.83 0.05 0.08 80.98 07:10:12 3 17.46 0.00 0.79 0.03 0.09 81.63 07:20:07 all 29.35 0.00 0.99 0.06 0.08 69.51 07:20:07 0 30.17 0.00 1.00 0.07 0.08 68.68 07:20:07 1 28.94 0.00 0.93 0.04 0.08 70.01 07:20:07 2 29.08 0.00 1.04 0.07 0.08 69.73 07:20:07 3 29.22 0.00 1.00 0.05 0.09 69.64 07:30:13 all 18.32 0.00 0.66 0.04 0.08 80.91 07:30:13 0 18.01 0.00 0.74 0.02 0.07 81.15 07:30:13 1 17.78 0.00 0.62 0.03 0.08 81.49 07:30:13 2 18.64 0.00 0.60 0.02 0.08 80.65 07:30:13 3 18.84 0.00 0.65 0.07 0.08 80.35 07:40:13 all 8.64 0.00 0.46 0.02 0.07 90.81 07:40:13 0 8.31 0.00 0.39 0.05 0.07 91.18 07:40:13 1 8.63 0.00 0.43 0.01 0.07 90.85 07:40:13 2 9.01 0.00 0.51 0.01 0.08 90.40 07:40:13 3 8.60 0.00 0.51 0.02 0.07 90.80 07:50:13 all 16.78 0.00 0.59 0.02 0.08 82.52 07:50:13 0 16.92 0.00 0.58 0.05 0.08 82.37 07:50:13 1 16.17 0.00 0.63 0.01 0.08 83.11 07:50:13 2 16.86 0.00 0.66 0.02 0.08 82.37 07:50:13 3 17.18 0.00 0.51 0.01 0.07 82.23 08:00:13 all 8.65 0.00 0.37 0.04 0.08 90.86 08:00:13 0 8.62 0.00 0.36 0.02 0.07 90.93 08:00:13 1 8.54 0.00 0.33 0.01 0.08 91.05 08:00:13 2 9.04 0.00 0.48 0.11 0.08 90.29 08:00:13 3 8.41 0.00 0.31 0.03 0.08 91.18 08:10:03 all 14.50 0.00 0.58 0.05 0.07 84.80 08:10:03 0 14.64 0.00 0.62 0.05 0.07 84.62 08:10:03 1 14.43 0.00 0.52 0.04 0.08 84.93 08:10:03 2 14.37 0.00 0.57 0.09 0.08 84.90 08:10:03 3 14.56 0.00 0.61 0.01 0.07 84.75 08:20:24 all 9.97 0.00 0.39 0.02 0.07 89.55 08:20:24 0 10.07 0.00 0.39 0.02 0.07 89.46 08:20:24 1 9.50 0.00 0.38 0.02 0.08 90.02 08:20:24 2 10.05 0.00 0.41 0.02 0.08 89.45 08:20:24 3 10.25 0.00 0.37 0.03 0.07 89.28 Average: all 21.55 0.00 0.86 0.08 0.08 77.43 Average: 0 21.68 0.00 0.87 0.07 0.08 77.30 Average: 1 21.48 0.00 0.86 0.05 0.08 77.53 Average: 2 21.49 0.00 0.88 0.09 0.08 77.45 Average: 3 21.53 0.00 0.83 0.09 0.08 77.46