---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-4750 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 691 11020 3 4277 14955 Swap: 1023 1 1022 ---> 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:3d:79:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.249/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79577sec preferred_lft 79577sec inet6 fe80::f816:3eff:fe3d:7971/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:b8:0f:64:ef:9d 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::6cb8:fff:fe64:ef9d/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-4750) 03/18/26 _x86_64_ (4 CPU) 10:34:55 LINUX RESTART (4 CPU) 10:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:12 100.66 23.22 72.92 4.52 369.92 17019.81 9693.90 11:00:15 22.70 1.75 19.90 1.06 42.24 551.61 855.79 11:10:15 5.83 0.18 5.42 0.24 8.72 171.11 301.54 11:20:01 9.73 0.13 9.18 0.42 5.16 522.89 843.18 11:30:10 20.08 0.03 19.26 0.79 0.94 625.32 762.26 11:40:15 21.00 0.07 5.25 15.68 1.56 138.53 209820.91 11:50:01 7.15 0.01 6.81 0.33 1.28 240.57 154.19 12:00:15 4.60 0.00 4.43 0.17 0.30 147.46 108.43 12:10:15 5.00 0.01 4.85 0.15 0.35 154.60 835.45 12:20:01 9.64 0.04 9.24 0.36 4.04 580.03 315.39 Average: 20.85 2.59 15.87 2.39 44.20 2048.43 22530.03 10:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:12 1744616 5037584 10894352 66.54 264704 3021352 11914372 68.39 1999608 12047392 928 11:00:15 3209392 6278320 9657100 58.98 266672 2817720 11134168 63.91 2082492 10537424 580 11:10:15 7147732 10234752 5703916 34.84 267440 2835064 6940744 39.84 2089296 6602480 40 11:20:01 12009400 15200680 740216 4.52 271380 2935320 1657428 9.51 2118372 1734388 9888 11:30:10 10497072 13770112 2169836 13.25 274416 3014060 3579272 20.54 2134884 3222316 748 11:40:15 7937068 11232256 4706308 28.74 277072 3033556 5428564 31.16 2142856 5759024 180 11:50:01 6718320 10049592 5888564 35.96 277948 3068760 6718960 38.57 2146064 6952544 364 12:00:15 6584260 9937984 5999792 36.64 278528 3090636 6788772 38.97 2149360 7101980 156 12:10:15 9066324 12443156 3495744 21.35 279180 3113088 4314480 24.77 2151664 4613496 136 12:20:01 7892628 11397960 4540476 27.73 283240 3235760 5192488 29.80 2166556 5787272 140 Average: 7280681 10558240 5379630 32.86 274058 3016532 6366925 36.55 2118115 6435832 1316 10:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:12 lo 17.01 17.01 15.00 15.00 0.00 0.00 0.00 0.00 10:50:12 ens3 41.58 29.54 712.64 3.22 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 11:00:15 lo 45.80 45.80 20.16 20.16 0.00 0.00 0.00 0.00 11:00:15 ens3 1.80 1.64 0.37 0.32 0.00 0.00 0.00 0.00 11:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:15 lo 15.81 15.81 6.51 6.51 0.00 0.00 0.00 0.00 11:10:15 ens3 0.99 1.03 0.16 0.84 0.00 0.00 0.00 0.00 11:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 11.69 11.69 6.22 6.22 0.00 0.00 0.00 0.00 11:20:01 ens3 1.33 0.88 0.30 0.62 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:10 lo 12.68 12.68 7.07 7.07 0.00 0.00 0.00 0.00 11:30:10 ens3 1.09 0.79 0.23 0.18 0.00 0.00 0.00 0.00 11:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:15 lo 19.97 19.97 9.61 9.61 0.00 0.00 0.00 0.00 11:40:15 ens3 0.99 0.63 0.25 0.18 0.00 0.00 0.00 0.00 11:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 29.18 29.18 11.43 11.43 0.00 0.00 0.00 0.00 11:50:01 ens3 0.87 0.46 0.19 0.12 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:15 lo 20.87 20.87 10.58 10.58 0.00 0.00 0.00 0.00 12:00:15 ens3 1.53 0.64 0.34 0.21 0.00 0.00 0.00 0.00 12:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:15 lo 15.15 15.15 8.42 8.42 0.00 0.00 0.00 0.00 12:10:15 ens3 0.89 0.59 0.18 0.14 0.00 0.00 0.00 0.00 12:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 lo 14.45 14.45 7.80 7.80 0.00 0.00 0.00 0.00 12:20:01 ens3 1.36 0.85 0.46 0.33 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.27 20.27 10.30 10.30 0.00 0.00 0.00 0.00 Average: ens3 5.33 3.76 72.96 0.62 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-4750) 03/18/26 _x86_64_ (4 CPU) 10:34:55 LINUX RESTART (4 CPU) 10:40:00 CPU %user %nice %system %iowait %steal %idle 10:50:12 all 53.87 0.00 2.33 3.09 0.09 40.63 10:50:12 0 55.00 0.00 2.21 3.15 0.09 39.55 10:50:12 1 54.41 0.00 2.48 1.63 0.09 41.39 10:50:12 2 52.99 0.00 2.27 3.23 0.09 41.42 10:50:12 3 53.07 0.00 2.36 4.33 0.09 40.14 11:00:15 all 46.95 0.00 1.77 0.06 0.10 51.12 11:00:15 0 47.40 0.00 1.74 0.08 0.10 50.67 11:00:15 1 46.50 0.00 1.90 0.10 0.10 51.41 11:00:15 2 46.69 0.00 1.73 0.02 0.10 51.46 11:00:15 3 47.20 0.00 1.73 0.03 0.10 50.94 11:10:15 all 9.22 0.00 0.59 0.04 0.08 90.08 11:10:15 0 9.22 0.00 0.51 0.02 0.07 90.17 11:10:15 1 8.93 0.00 0.57 0.03 0.09 90.39 11:10:15 2 9.33 0.00 0.76 0.07 0.08 89.77 11:10:15 3 9.40 0.00 0.53 0.02 0.08 89.98 11:20:01 all 16.51 0.00 0.83 0.20 0.08 82.38 11:20:01 0 16.72 0.00 0.85 0.16 0.08 82.19 11:20:01 1 16.63 0.00 0.77 0.16 0.08 82.35 11:20:01 2 16.51 0.00 0.84 0.19 0.08 82.39 11:20:01 3 16.18 0.00 0.88 0.28 0.08 82.58 11:30:10 all 30.19 0.00 0.94 0.06 0.08 68.73 11:30:10 0 30.44 0.00 0.95 0.03 0.08 68.50 11:30:10 1 30.74 0.00 1.05 0.09 0.09 68.03 11:30:10 2 29.17 0.00 0.95 0.04 0.08 69.74 11:30:10 3 30.40 0.00 0.83 0.05 0.08 68.64 11:40:15 all 11.42 0.00 0.54 0.05 0.08 87.91 11:40:15 0 11.15 0.00 0.55 0.02 0.08 88.20 11:40:15 1 11.86 0.00 0.49 0.01 0.07 87.57 11:40:15 2 11.09 0.00 0.58 0.13 0.08 88.12 11:40:15 3 11.60 0.00 0.54 0.03 0.08 87.74 11:50:01 all 15.34 0.00 0.58 0.22 0.07 83.78 11:50:01 0 15.73 0.00 0.63 0.04 0.07 83.54 11:50:01 1 14.95 0.00 0.52 0.06 0.07 84.41 11:50:01 2 15.70 0.00 0.60 0.61 0.07 83.01 11:50:01 3 15.00 0.00 0.59 0.16 0.07 84.18 12:00:15 all 10.92 0.00 0.52 0.05 0.08 88.44 12:00:15 0 11.09 0.00 0.51 0.00 0.08 88.32 12:00:15 1 11.09 0.00 0.47 0.05 0.08 88.31 12:00:15 2 11.29 0.00 0.64 0.13 0.08 87.85 12:00:15 3 10.18 0.00 0.45 0.01 0.08 89.28 12:10:15 all 7.77 0.00 0.35 0.05 0.08 91.75 12:10:15 0 7.76 0.00 0.37 0.06 0.08 91.73 12:10:15 1 8.01 0.00 0.36 0.08 0.08 91.46 12:10:15 2 7.37 0.00 0.34 0.01 0.08 92.21 12:10:15 3 7.92 0.00 0.33 0.07 0.07 91.60 12:20:01 all 14.45 0.00 0.60 0.38 0.08 84.49 12:20:01 0 14.32 0.00 0.52 0.11 0.07 84.99 12:20:01 1 13.79 0.00 0.65 1.07 0.08 84.41 12:20:01 2 15.31 0.00 0.68 0.28 0.08 83.65 12:20:01 3 14.39 0.00 0.54 0.07 0.07 84.92 Average: all 21.76 0.00 0.91 0.42 0.08 76.82 Average: 0 21.99 0.00 0.89 0.37 0.08 76.67 Average: 1 21.79 0.00 0.93 0.33 0.08 76.86 Average: 2 21.64 0.00 0.94 0.48 0.08 76.86 Average: 3 21.64 0.00 0.88 0.51 0.08 76.89