---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-39711 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 735 11199 3 4053 14906 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:fc:ba:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80038sec preferred_lft 80038sec inet6 fe80::f816:3eff:fefc:bae8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:6a:9c:18:dc:cf 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-39711) 03/25/26 _x86_64_ (4 CPU) 10:04:35 LINUX RESTART (4 CPU) 10:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:16 93.69 22.25 67.93 3.52 300.63 12558.41 5489.97 10:30:01 23.00 3.75 18.24 1.01 71.94 498.44 663.16 10:40:12 7.89 0.18 7.28 0.42 11.36 242.60 363.77 10:50:12 15.58 0.09 14.83 0.66 7.66 736.96 417.48 11:00:01 30.36 0.07 14.13 16.15 1.97 464.79 216280.74 11:10:13 5.69 0.02 5.51 0.16 0.85 148.61 192.54 11:20:19 5.70 0.02 5.50 0.18 2.52 162.68 96.89 11:30:01 6.16 0.21 5.74 0.21 9.20 169.26 68.90 11:40:19 11.74 0.03 11.17 0.53 3.87 683.49 303.74 11:50:19 10.47 2.29 7.45 0.73 206.84 1505.95 389.07 Average: 21.04 2.90 15.81 2.33 61.77 1729.83 21974.54 10:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:16 3801688 6569368 9361868 57.18 264540 2541616 10425412 59.84 1931280 10117056 1668 10:30:01 3291840 6107408 9826248 60.01 267656 2586560 10835176 62.19 2000532 10541288 264 10:40:12 6923360 9765932 6167496 37.67 268780 2612440 7010284 40.24 2009140 6921596 5948 10:50:12 10634952 13610148 2328164 14.22 274316 2739476 2999024 17.21 2037832 3190228 128 11:00:01 8305536 11352224 4584860 28.00 276460 2808824 5291724 30.37 2047452 5518376 68 11:10:13 8310880 11376352 4560712 27.85 277004 2827068 5248628 30.13 2048920 5500620 120 11:20:19 6770840 9858576 6077572 37.12 277664 2848668 6790840 38.98 2051640 7032984 180 11:30:01 6692036 9804480 6131512 37.45 278656 2872400 6809436 39.09 2056900 7108452 68 11:40:19 8083356 11345772 4591304 28.04 283200 3017892 5188152 29.78 2072940 5699624 256 11:50:19 11496948 15261912 677136 4.14 286968 3510684 1248056 7.16 2156452 2188240 31908 Average: 7431144 10505217 5430687 33.17 275524 2836563 6184673 35.50 2041309 6381846 4061 10:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:16 lo 17.39 17.39 15.31 15.31 0.00 0.00 0.00 0.00 10:20:16 ens3 31.51 22.26 406.25 2.37 0.00 0.00 0.00 0.00 10:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 47.50 47.50 20.33 20.33 0.00 0.00 0.00 0.00 10:30:01 ens3 2.69 1.79 0.50 1.36 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:12 lo 20.07 20.07 9.90 9.90 0.00 0.00 0.00 0.00 10:40:12 ens3 0.81 0.57 0.15 0.11 0.00 0.00 0.00 0.00 10:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:12 lo 11.23 11.23 5.57 5.57 0.00 0.00 0.00 0.00 10:50:12 ens3 1.39 0.89 0.35 0.25 0.00 0.00 0.00 0.00 10:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 19.58 19.58 10.05 10.05 0.00 0.00 0.00 0.00 11:00:01 ens3 1.28 0.75 0.29 0.21 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:13 lo 20.78 20.78 8.70 8.70 0.00 0.00 0.00 0.00 11:10:13 ens3 1.05 0.59 0.25 0.17 0.00 0.00 0.00 0.00 11:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:19 lo 26.31 26.31 11.20 11.20 0.00 0.00 0.00 0.00 11:20:19 ens3 1.09 0.49 0.21 0.13 0.00 0.00 0.00 0.00 11:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 17.62 17.62 10.39 10.39 0.00 0.00 0.00 0.00 11:30:01 ens3 1.08 0.65 0.25 0.17 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:19 lo 18.74 18.74 10.40 10.40 0.00 0.00 0.00 0.00 11:40:19 ens3 1.45 0.85 0.37 0.26 0.00 0.00 0.00 0.00 11:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:19 lo 32.46 32.46 12.57 12.57 0.00 0.00 0.00 0.00 11:50:19 ens3 3.30 2.38 1.81 1.02 0.00 0.00 0.00 0.00 11:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.10 23.10 11.42 11.42 0.00 0.00 0.00 0.00 Average: ens3 4.59 3.14 41.47 0.60 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-39711) 03/25/26 _x86_64_ (4 CPU) 10:04:35 LINUX RESTART (4 CPU) 10:10:08 CPU %user %nice %system %iowait %steal %idle 10:20:16 all 51.85 0.00 2.19 0.41 0.12 45.43 10:20:16 0 51.42 0.00 2.15 0.28 0.12 46.03 10:20:16 1 53.15 0.00 2.10 0.58 0.13 44.04 10:20:16 2 49.78 0.00 2.32 0.55 0.13 47.22 10:20:16 3 53.07 0.00 2.19 0.21 0.12 44.42 10:30:01 all 42.50 0.00 1.65 0.11 0.13 55.61 10:30:01 0 42.71 0.00 1.69 0.09 0.13 55.38 10:30:01 1 42.02 0.00 1.61 0.19 0.13 56.05 10:30:01 2 43.17 0.00 1.60 0.07 0.13 55.02 10:30:01 3 42.08 0.00 1.70 0.10 0.13 55.99 10:40:12 all 18.03 0.00 1.02 0.10 0.13 80.73 10:40:12 0 17.96 0.00 1.04 0.10 0.14 80.76 10:40:12 1 18.58 0.00 1.09 0.12 0.13 80.07 10:40:12 2 17.57 0.00 0.99 0.05 0.12 81.28 10:40:12 3 18.00 0.00 0.96 0.12 0.12 80.80 10:50:12 all 21.69 0.00 0.88 0.07 0.11 77.25 10:50:12 0 20.96 0.00 0.93 0.14 0.11 77.86 10:50:12 1 22.52 0.00 0.87 0.04 0.11 76.47 10:50:12 2 22.14 0.00 0.95 0.05 0.12 76.74 10:50:12 3 21.13 0.00 0.78 0.05 0.11 77.93 11:00:01 all 25.56 0.00 0.88 0.07 0.11 73.38 11:00:01 0 25.41 0.00 0.79 0.02 0.10 73.68 11:00:01 1 25.48 0.00 0.85 0.10 0.11 73.46 11:00:01 2 25.92 0.00 0.99 0.11 0.11 72.86 11:00:01 3 25.44 0.00 0.88 0.05 0.11 73.52 11:10:13 all 8.23 0.00 0.34 0.03 0.10 91.30 11:10:13 0 8.16 0.00 0.30 0.04 0.09 91.41 11:10:13 1 7.97 0.00 0.39 0.01 0.10 91.52 11:10:13 2 8.44 0.00 0.37 0.02 0.10 91.07 11:10:13 3 8.34 0.00 0.31 0.05 0.10 91.21 11:20:19 all 9.92 0.00 0.45 0.03 0.11 89.50 11:20:19 0 10.20 0.00 0.44 0.06 0.11 89.19 11:20:19 1 10.01 0.00 0.47 0.01 0.11 89.41 11:20:19 2 9.44 0.00 0.46 0.02 0.10 89.97 11:20:19 3 10.01 0.00 0.44 0.02 0.11 89.41 11:30:01 all 10.12 0.00 0.44 0.03 0.11 89.31 11:30:01 0 9.77 0.00 0.39 0.04 0.10 89.70 11:30:01 1 10.47 0.00 0.41 0.02 0.11 88.99 11:30:01 2 10.29 0.00 0.47 0.04 0.11 89.10 11:30:01 3 9.94 0.00 0.47 0.04 0.11 89.44 11:40:19 all 18.92 0.00 0.72 0.06 0.11 80.19 11:40:19 0 19.06 0.00 0.76 0.03 0.11 80.04 11:40:19 1 18.69 0.00 0.74 0.07 0.12 80.39 11:40:19 2 18.29 0.00 0.61 0.11 0.11 80.87 11:40:19 3 19.64 0.00 0.78 0.03 0.11 79.45 11:50:19 all 11.46 0.00 0.54 0.22 0.11 87.66 11:50:19 0 10.74 0.00 0.55 0.25 0.10 88.36 11:50:19 1 12.76 0.00 0.54 0.29 0.11 86.31 11:50:19 2 10.48 0.00 0.53 0.21 0.11 88.67 11:50:19 3 11.89 0.00 0.55 0.14 0.11 87.31 Average: all 21.79 0.00 0.91 0.11 0.11 77.07 Average: 0 21.60 0.00 0.90 0.11 0.11 77.28 Average: 1 22.13 0.00 0.91 0.14 0.12 76.70 Average: 2 21.50 0.00 0.93 0.12 0.11 77.34 Average: 3 21.92 0.00 0.91 0.08 0.11 76.98