---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-9502 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 696 10717 3 4575 14950 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:d4:cb:79 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79902sec preferred_lft 79902sec inet6 fe80::f816:3eff:fed4:cb79/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:43:2c:3c:94:36 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::3843:2cff:fe3c:9436/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-9502) 03/23/26 _x86_64_ (4 CPU) 07:24:15 LINUX RESTART (4 CPU) 07:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:20 89.23 24.00 61.88 3.35 371.05 7231.28 3499.08 07:50:20 14.47 0.11 13.64 0.72 4.20 376.17 389.48 08:00:18 7.30 0.10 6.79 0.42 5.50 257.69 534.25 08:10:21 15.14 0.05 14.36 0.72 2.41 695.09 551.45 08:20:22 14.43 0.05 13.71 0.67 2.34 439.70 389.82 08:30:22 5.35 0.00 5.11 0.23 0.16 141.59 62.62 08:40:08 5.08 0.01 4.88 0.19 1.45 147.17 95.24 08:50:01 5.43 0.01 5.23 0.19 0.59 159.11 50.61 09:00:08 24.78 0.13 8.64 16.01 4.88 564.15 205856.85 09:10:22 7.31 0.02 6.96 0.33 0.90 281.08 234.62 Average: 19.06 2.50 14.25 2.31 40.17 1045.68 21375.12 07:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:20 3696392 7076088 8856652 54.09 265060 3096452 9680612 55.57 2098156 9997604 920 07:50:20 3850736 7254464 8678868 53.01 267036 3118432 9514536 54.61 2133848 9807980 600 08:00:18 6307068 9735944 6199760 37.87 268184 3142460 7020612 40.30 2140956 7351404 112 08:10:21 9963176 13521084 2417220 14.76 273340 3266256 3215308 18.46 2179196 3675144 36 08:20:22 7746260 11367268 4569684 27.91 275424 3327256 5318576 30.53 2184108 5883284 276 08:30:22 7641824 11280756 4656208 28.44 275976 3344628 5402484 31.01 2185200 5976692 296 08:40:08 6259916 9919004 6017024 36.75 276476 3364296 6808856 39.08 2187488 7358044 284 08:50:01 6279904 9960684 5975308 36.49 277100 3385352 6777592 38.90 2190992 7339420 124 09:00:08 9300068 13114048 2822760 17.24 283408 3510660 3625360 20.81 2206492 4302412 224 09:10:22 6632112 10496892 5439196 33.22 284136 3560540 6163656 35.38 2225224 6937892 768 Average: 6767746 10372623 5563268 33.98 274614 3311633 6352759 36.46 2173166 6862988 364 07:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:20 lo 24.84 24.84 19.39 19.39 0.00 0.00 0.00 0.00 07:40:20 ens3 2.09 1.92 0.62 0.54 0.00 0.00 0.00 0.00 07:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:20 lo 41.83 41.83 16.62 16.62 0.00 0.00 0.00 0.00 07:50:20 ens3 2.35 1.24 0.54 0.37 0.00 0.00 0.00 0.00 07:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:18 lo 17.26 17.26 8.90 8.90 0.00 0.00 0.00 0.00 08:00:18 ens3 1.22 0.64 0.27 1.26 0.00 0.00 0.00 0.00 08:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:21 lo 11.23 11.23 5.47 5.47 0.00 0.00 0.00 0.00 08:10:21 ens3 0.98 0.76 0.24 0.19 0.00 0.00 0.00 0.00 08:10:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:22 lo 19.82 19.82 10.44 10.44 0.00 0.00 0.00 0.00 08:20:22 ens3 1.36 0.70 0.24 0.15 0.00 0.00 0.00 0.00 08:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:22 lo 22.98 22.98 9.06 9.06 0.00 0.00 0.00 0.00 08:30:22 ens3 1.05 0.54 0.22 0.14 0.00 0.00 0.00 0.00 08:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:08 lo 18.42 18.42 8.29 8.29 0.00 0.00 0.00 0.00 08:40:08 ens3 0.68 0.37 0.16 0.11 0.00 0.00 0.00 0.00 08:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 lo 19.62 19.62 10.60 10.60 0.00 0.00 0.00 0.00 08:50:01 ens3 0.98 0.60 0.22 0.16 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:08 lo 18.03 18.03 10.25 10.25 0.00 0.00 0.00 0.00 09:00:08 ens3 0.96 0.76 0.26 0.21 0.00 0.00 0.00 0.00 09:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:22 lo 28.96 28.96 12.05 12.05 0.00 0.00 0.00 0.00 09:10:22 ens3 0.85 0.64 0.16 0.13 0.00 0.00 0.00 0.00 09:10:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.32 22.32 11.14 11.14 0.00 0.00 0.00 0.00 Average: ens3 1.25 0.82 0.29 0.32 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-9502) 03/23/26 _x86_64_ (4 CPU) 07:24:15 LINUX RESTART (4 CPU) 07:30:04 CPU %user %nice %system %iowait %steal %idle 07:40:20 all 59.29 0.00 2.21 0.15 0.10 38.25 07:40:20 0 58.43 0.00 2.16 0.16 0.10 39.15 07:40:20 1 59.82 0.00 2.21 0.12 0.10 37.75 07:40:20 2 58.76 0.00 2.29 0.09 0.10 38.76 07:40:20 3 60.16 0.00 2.19 0.23 0.10 37.33 07:50:20 all 30.73 0.00 1.33 0.05 0.10 67.78 07:50:20 0 30.61 0.00 1.36 0.06 0.09 67.88 07:50:20 1 31.37 0.00 1.32 0.12 0.10 67.09 07:50:20 2 30.38 0.00 1.35 0.02 0.10 68.15 07:50:20 3 30.57 0.00 1.30 0.02 0.10 68.01 08:00:18 all 17.28 0.00 0.72 0.04 0.08 81.88 08:00:18 0 16.76 0.00 0.60 0.04 0.08 82.52 08:00:18 1 18.00 0.00 0.68 0.02 0.08 81.21 08:00:18 2 17.40 0.00 0.79 0.04 0.08 81.70 08:00:18 3 16.94 0.00 0.83 0.05 0.08 82.10 08:10:21 all 21.38 0.00 0.79 0.06 0.08 77.70 08:10:21 0 20.45 0.00 0.79 0.13 0.07 78.56 08:10:21 1 22.11 0.00 0.79 0.01 0.08 77.00 08:10:21 2 21.35 0.00 0.75 0.05 0.09 77.76 08:10:21 3 21.58 0.00 0.81 0.04 0.08 77.49 08:20:22 all 24.78 0.00 0.80 0.05 0.08 74.29 08:20:22 0 25.18 0.00 0.83 0.04 0.08 73.88 08:20:22 1 25.12 0.00 0.74 0.07 0.08 73.98 08:20:22 2 24.16 0.00 0.84 0.06 0.08 74.85 08:20:22 3 24.63 0.00 0.81 0.03 0.08 74.44 08:30:22 all 8.17 0.00 0.39 0.02 0.07 91.35 08:30:22 0 8.02 0.00 0.38 0.01 0.07 91.52 08:30:22 1 7.78 0.00 0.43 0.01 0.07 91.70 08:30:22 2 8.59 0.00 0.41 0.00 0.07 90.93 08:30:22 3 8.28 0.00 0.34 0.07 0.07 91.24 08:40:08 all 9.70 0.00 0.40 0.02 0.07 89.81 08:40:08 0 9.37 0.00 0.32 0.01 0.07 90.23 08:40:08 1 10.19 0.00 0.48 0.01 0.08 89.25 08:40:08 2 9.77 0.00 0.47 0.05 0.07 89.64 08:40:08 3 9.46 0.00 0.33 0.03 0.07 90.11 08:50:01 all 10.31 0.00 0.43 0.03 0.08 89.15 08:50:01 0 10.33 0.00 0.48 0.03 0.08 89.08 08:50:01 1 10.58 0.00 0.40 0.01 0.08 88.94 08:50:01 2 10.12 0.00 0.41 0.03 0.08 89.36 08:50:01 3 10.22 0.00 0.44 0.04 0.07 89.23 09:00:08 all 13.33 0.00 0.54 0.06 0.07 86.00 09:00:08 0 12.97 0.00 0.56 0.09 0.07 86.31 09:00:08 1 14.28 0.00 0.59 0.05 0.08 85.00 09:00:08 2 13.30 0.00 0.48 0.05 0.07 86.10 09:00:08 3 12.76 0.00 0.51 0.07 0.07 86.59 09:10:22 all 15.32 0.00 0.64 0.03 0.08 83.93 09:10:22 0 14.77 0.00 0.68 0.05 0.08 84.43 09:10:22 1 15.68 0.00 0.62 0.01 0.08 83.62 09:10:22 2 15.35 0.00 0.75 0.02 0.08 83.80 09:10:22 3 15.48 0.00 0.53 0.05 0.08 83.87 Average: all 21.14 0.00 0.83 0.05 0.08 77.90 Average: 0 20.80 0.00 0.82 0.06 0.08 78.24 Average: 1 21.61 0.00 0.83 0.04 0.08 77.43 Average: 2 21.03 0.00 0.86 0.04 0.08 77.99 Average: 3 21.13 0.00 0.81 0.06 0.08 77.92