---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-25 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 719 10742 3 4527 14927 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:7b:39:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79539sec preferred_lft 79539sec inet6 fe80::f816:3eff:fe7b:3932/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:28:9f:8a:80:82 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::b428:9fff:fe8a:8082/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-25) 04/07/26 _x86_64_ (4 CPU) 08:47:49 LINUX RESTART (4 CPU) 08:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:21 129.94 8.54 116.38 5.03 803.17 36075.40 9889.89 09:10:20 67.76 23.19 42.26 2.31 322.74 4091.82 1863.47 09:20:21 10.89 0.15 10.16 0.58 7.14 300.84 432.10 09:30:21 9.13 0.04 8.64 0.44 2.07 522.83 824.56 09:40:21 18.42 0.04 17.59 0.79 1.12 543.99 531.39 09:50:21 6.30 0.02 6.08 0.20 1.17 190.09 120.55 10:00:09 4.79 0.02 4.61 0.16 1.44 137.79 140.84 10:10:11 4.95 0.03 4.76 0.17 1.70 139.91 97.72 10:20:21 20.64 0.03 5.26 15.35 0.72 154.19 207791.28 10:30:21 11.13 0.04 10.59 0.50 4.61 669.64 708.48 10:40:21 5.96 0.03 5.68 0.25 1.08 183.84 76.37 Average: 26.38 2.92 21.09 2.37 104.25 3909.79 20537.53 08:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:21 988928 12399224 3521564 21.51 261368 10887508 4285692 24.60 2104716 12450404 549688 09:10:20 2094788 5468684 10462944 63.90 271612 3079224 11129328 63.88 2174636 11515696 508 09:20:21 3015584 6411172 9522648 58.16 272824 3099748 10748696 61.70 2195460 10564440 496 09:30:21 8801628 12295516 3641924 22.24 277096 3193696 4469136 25.65 2215428 4799420 160 09:40:21 9322036 12889936 3048044 18.62 280120 3264616 3776904 21.68 2239548 4256020 80 09:50:21 7670288 11264692 4672232 28.54 280756 3290484 5422920 31.13 2241504 5901120 60 10:00:09 7759868 11372808 4564048 27.88 281336 3308440 5258984 30.19 2243156 5794236 120 10:10:11 6237024 9868676 6067292 37.06 281812 3326688 6785760 38.95 2245236 7324168 212 10:20:21 6039652 9696480 6239520 38.11 282516 3351124 7014724 40.26 2253572 7501444 168 10:30:21 8158188 11966072 3971344 24.26 287036 3491476 5138816 29.50 2269440 5371232 484 10:40:21 6600984 10436512 5499604 33.59 287700 3518360 6115800 35.10 2281732 6904412 72 Average: 6062633 10369979 5564651 33.99 278561 3982851 6376978 36.60 2224039 7489327 50186 08:50:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:21 lo 3.40 3.40 2.38 2.38 0.00 0.00 0.00 0.00 09:00:21 ens3 127.20 98.54 1853.00 12.37 0.00 0.00 0.00 0.00 09:00:21 docker0 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 09:10:20 lo 45.88 45.88 27.25 27.25 0.00 0.00 0.00 0.00 09:10:20 ens3 3.40 2.13 0.76 0.56 0.00 0.00 0.00 0.00 09:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:21 lo 29.78 29.78 11.96 11.96 0.00 0.00 0.00 0.00 09:20:21 ens3 1.52 0.83 0.34 0.24 0.00 0.00 0.00 0.00 09:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:21 lo 12.00 12.00 6.58 6.58 0.00 0.00 0.00 0.00 09:30:21 ens3 0.90 0.53 0.23 0.16 0.00 0.00 0.00 0.00 09:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:21 lo 13.09 13.09 7.26 7.26 0.00 0.00 0.00 0.00 09:40:21 ens3 6.39 3.51 3.82 2.53 0.00 0.00 0.00 0.00 09:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:21 lo 18.79 18.79 8.84 8.84 0.00 0.00 0.00 0.00 09:50:21 ens3 4.85 0.88 0.78 0.34 0.00 0.00 0.00 0.00 09:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:09 lo 28.32 28.32 9.95 9.95 0.00 0.00 0.00 0.00 10:00:09 ens3 2.28 0.42 0.24 0.11 0.00 0.00 0.00 0.00 10:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:11 lo 16.44 16.44 8.30 8.30 0.00 0.00 0.00 0.00 10:10:11 ens3 0.74 0.45 0.13 0.09 0.00 0.00 0.00 0.00 10:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:21 lo 17.41 17.41 10.26 10.26 0.00 0.00 0.00 0.00 10:20:21 ens3 0.81 0.50 0.17 0.12 0.00 0.00 0.00 0.00 10:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:21 lo 11.50 11.50 6.81 6.81 0.00 0.00 0.00 0.00 10:30:21 ens3 0.84 0.67 0.22 0.17 0.00 0.00 0.00 0.00 10:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:21 lo 29.73 29.73 12.44 12.44 0.00 0.00 0.00 0.00 10:40:21 ens3 2.46 0.68 0.43 0.18 0.00 0.00 0.00 0.00 10:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.55 20.55 10.18 10.18 0.00 0.00 0.00 0.00 Average: ens3 13.76 9.92 169.10 1.53 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-25) 04/07/26 _x86_64_ (4 CPU) 08:47:49 LINUX RESTART (4 CPU) 08:50:21 CPU %user %nice %system %iowait %steal %idle 09:00:21 all 43.82 0.00 2.47 4.36 0.10 49.25 09:00:21 0 41.70 0.00 2.55 3.45 0.10 52.21 09:00:21 1 47.64 0.00 2.38 7.53 0.10 42.35 09:00:21 2 43.36 0.00 2.66 3.36 0.10 50.52 09:00:21 3 42.59 0.00 2.31 3.08 0.10 51.92 09:10:20 all 62.00 0.00 2.25 0.13 0.14 35.49 09:10:20 0 61.37 0.00 2.28 0.09 0.14 36.13 09:10:20 1 62.97 0.00 2.15 0.13 0.13 34.61 09:10:20 2 62.06 0.00 2.18 0.06 0.14 35.56 09:10:20 3 61.59 0.00 2.38 0.24 0.13 35.65 09:20:21 all 22.32 0.00 0.96 0.06 0.10 76.56 09:20:21 0 21.54 0.00 1.00 0.05 0.10 77.32 09:20:21 1 22.83 0.00 0.87 0.02 0.10 76.17 09:20:21 2 22.64 0.00 0.97 0.01 0.10 76.28 09:20:21 3 22.25 0.00 1.00 0.16 0.10 76.49 09:30:21 all 15.43 0.00 0.78 0.07 0.09 83.63 09:30:21 0 14.47 0.00 0.78 0.07 0.09 84.59 09:30:21 1 15.36 0.00 0.72 0.09 0.10 83.73 09:30:21 2 16.73 0.00 0.88 0.10 0.09 82.20 09:30:21 3 15.15 0.00 0.73 0.02 0.09 84.01 09:40:21 all 27.99 0.00 0.94 0.10 0.09 70.87 09:40:21 0 28.33 0.00 0.92 0.20 0.09 70.47 09:40:21 1 27.44 0.00 0.93 0.10 0.11 71.42 09:40:21 2 27.69 0.00 0.91 0.04 0.10 71.27 09:40:21 3 28.52 0.00 1.01 0.05 0.09 70.33 09:50:21 all 13.87 0.00 0.50 1.15 0.08 84.41 09:50:21 0 13.77 0.00 0.52 0.89 0.08 84.74 09:50:21 1 14.10 0.00 0.41 0.12 0.07 85.30 09:50:21 2 13.63 0.00 0.56 3.42 0.08 82.31 09:50:21 3 13.96 0.00 0.50 0.16 0.08 85.30 10:00:09 all 9.25 0.00 0.44 0.05 0.07 90.19 10:00:09 0 8.58 0.00 0.39 0.10 0.07 90.86 10:00:09 1 9.43 0.00 0.40 0.00 0.08 90.10 10:00:09 2 9.49 0.00 0.47 0.02 0.08 89.94 10:00:09 3 9.51 0.00 0.50 0.06 0.07 89.87 10:10:11 all 10.02 0.00 0.41 0.02 0.08 89.47 10:10:11 0 9.32 0.00 0.36 0.05 0.07 90.20 10:10:11 1 10.51 0.00 0.48 0.01 0.08 88.92 10:10:11 2 10.20 0.00 0.42 0.01 0.08 89.28 10:10:11 3 10.03 0.00 0.39 0.01 0.09 89.47 10:20:21 all 9.40 0.00 0.51 0.04 0.09 89.95 10:20:21 0 9.27 0.00 0.49 0.01 0.08 90.14 10:20:21 1 9.74 0.00 0.49 0.14 0.09 89.53 10:20:21 2 9.65 0.00 0.60 0.02 0.09 89.64 10:20:21 3 8.95 0.00 0.44 0.01 0.09 90.51 10:30:21 all 16.73 0.00 0.69 0.04 0.08 82.46 10:30:21 0 16.73 0.00 0.65 0.02 0.08 82.51 10:30:21 1 16.89 0.00 0.65 0.03 0.09 82.36 10:30:21 2 17.21 0.00 0.72 0.03 0.09 81.95 10:30:21 3 16.08 0.00 0.73 0.10 0.08 83.01 10:40:21 all 11.92 0.00 0.45 0.03 0.09 87.51 10:40:21 0 11.91 0.00 0.43 0.03 0.08 87.54 10:40:21 1 12.45 0.00 0.40 0.03 0.08 87.04 10:40:21 2 11.77 0.00 0.48 0.05 0.09 87.62 10:40:21 3 11.57 0.00 0.50 0.01 0.09 87.84 Average: CPU %user %nice %system %iowait %steal %idle Average: all 22.06 0.00 0.95 0.55 0.09 76.35 Average: 0 21.54 0.00 0.94 0.45 0.09 76.98 Average: 1 22.65 0.00 0.90 0.75 0.09 75.61 Average: 2 22.21 0.00 0.99 0.65 0.09 76.06 Average: 3 21.83 0.00 0.95 0.35 0.09 76.77