---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17476 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 13G 65G 17% / 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 665 8249 4 7074 14980 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:b7:26:f6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80503sec preferred_lft 80503sec inet6 fe80::f816:3eff:feb7:26f6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:0a:c3:d7:71:a6 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-17476) 05/21/26 _x86_64_ (4 CPU) 18:08:44 LINUX RESTART (4 CPU) 18:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:20:12 1.67 0.04 1.62 0.01 2.01 26.16 221.89 18:30:12 1.26 0.01 1.25 0.00 0.04 13.92 0.00 18:40:12 1.25 0.00 1.25 0.00 0.00 13.79 0.00 18:50:12 1.22 0.00 1.22 0.00 0.00 13.49 0.00 19:00:08 1.27 0.00 1.27 0.00 0.00 14.26 0.00 19:10:08 50.34 4.76 31.61 13.97 275.58 5059.20 241615.20 19:20:09 25.54 0.43 22.13 2.98 19.72 2309.20 6836.40 19:30:10 44.93 11.86 29.65 3.42 131.37 2703.57 22543.20 19:40:10 8.62 0.02 7.93 0.66 0.33 2951.92 39608.78 Average: 15.14 1.91 10.89 2.34 47.72 1457.69 34561.08 18:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:20:12 13783456 15534608 484612 2.96 53852 1924316 1149960 6.60 193104 2154808 40 18:30:12 13782968 15534592 484664 2.96 54268 1924332 1150020 6.60 193560 2155680 40 18:40:12 13782716 15534916 484296 2.96 54688 1924472 1150024 6.60 193984 2157292 16 18:50:12 13782464 15535032 484152 2.96 55048 1924472 1150024 6.60 194344 2158100 12 19:00:08 13781460 15534432 484780 2.96 55432 1924492 1150088 6.60 194728 2166212 32 19:10:08 10579552 13901964 2060440 12.58 121172 3354308 2364360 13.57 485876 4948192 85992 19:20:09 9311832 12969708 2987912 18.25 144260 3626096 2988732 17.16 706768 5925864 28188 19:30:10 8785280 12874148 3079840 18.81 164416 3996804 3053892 17.53 848784 6288604 18756 19:40:10 5281556 10129696 5821740 35.56 168364 4724388 5463504 31.36 1064352 9539932 6688 Average: 11430143 14172122 1819160 11.11 96833 2813742 2180067 12.51 452833 4166076 15529 18:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:20:12 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 18:20:12 ens3 0.33 0.13 0.09 0.04 0.00 0.00 0.00 0.00 18:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:12 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:30:12 ens3 0.19 0.09 0.04 0.02 0.00 0.00 0.00 0.00 18:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:12 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:40:12 ens3 0.25 0.12 0.07 0.04 0.00 0.00 0.00 0.00 18:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:12 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:50:12 ens3 0.18 0.09 0.04 0.02 0.00 0.00 0.00 0.00 18:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:08 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 19:00:08 ens3 0.39 0.40 0.08 0.48 0.00 0.00 0.00 0.00 19:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:08 lo 726.33 726.33 693.42 693.42 0.00 0.00 0.00 0.00 19:10:08 ens3 111.69 84.40 1233.99 14.22 0.00 0.00 0.00 0.00 19:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:09 lo 1569.18 1569.18 1488.77 1488.77 0.00 0.00 0.00 0.00 19:20:09 ens3 52.15 42.15 76.80 13.72 0.00 0.00 0.00 0.00 19:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:10 lo 1411.25 1411.25 1344.37 1344.37 0.00 0.00 0.00 0.00 19:30:10 ens3 40.54 31.57 26.01 11.86 0.00 0.00 0.00 0.00 19:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:10 lo 444.57 444.57 6967.52 6967.52 0.00 0.00 0.00 0.00 19:40:10 ens3 14.25 10.10 8.36 3.48 0.00 0.00 0.00 0.00 19:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 462.01 462.01 1166.98 1166.98 0.00 0.00 0.00 0.00 Average: ens3 24.47 18.80 149.61 4.88 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-4g-17476) 05/21/26 _x86_64_ (4 CPU) 18:08:44 LINUX RESTART (4 CPU) 18:10:12 CPU %user %nice %system %iowait %steal %idle 18:20:12 all 0.12 0.00 0.03 0.02 0.01 99.81 18:20:12 0 0.02 0.00 0.01 0.01 0.01 99.95 18:20:12 1 0.38 0.00 0.02 0.00 0.02 99.57 18:20:12 2 0.06 0.00 0.04 0.01 0.02 99.87 18:20:12 3 0.04 0.00 0.04 0.08 0.01 99.84 18:30:12 all 0.06 0.00 0.02 0.02 0.01 99.88 18:30:12 0 0.01 0.00 0.01 0.01 0.01 99.97 18:30:12 1 0.17 0.00 0.02 0.01 0.02 99.79 18:30:12 2 0.03 0.00 0.03 0.01 0.01 99.92 18:30:12 3 0.05 0.00 0.04 0.04 0.02 99.85 18:40:12 all 0.12 0.00 0.03 0.10 0.01 99.73 18:40:12 0 0.14 0.00 0.02 0.37 0.01 99.47 18:40:12 1 0.03 0.00 0.03 0.02 0.01 99.92 18:40:12 2 0.15 0.00 0.03 0.03 0.01 99.79 18:40:12 3 0.18 0.00 0.04 0.00 0.02 99.76 18:50:12 all 0.09 0.00 0.02 0.05 0.01 99.82 18:50:12 0 0.01 0.00 0.02 0.15 0.01 99.81 18:50:12 1 0.23 0.00 0.04 0.03 0.03 99.67 18:50:12 2 0.09 0.00 0.02 0.02 0.01 99.86 18:50:12 3 0.03 0.00 0.02 0.01 0.01 99.94 19:00:08 all 0.24 0.00 0.03 0.03 0.01 99.69 19:00:08 0 0.01 0.00 0.01 0.10 0.01 99.87 19:00:08 1 0.73 0.00 0.05 0.01 0.02 99.19 19:00:08 2 0.18 0.00 0.03 0.00 0.01 99.77 19:00:08 3 0.02 0.00 0.02 0.00 0.01 99.95 19:10:08 all 11.45 0.00 1.00 1.79 0.04 85.71 19:10:08 0 9.05 0.00 1.16 4.25 0.04 85.50 19:10:08 1 10.15 0.00 0.54 1.71 0.04 87.57 19:10:08 2 13.50 0.00 1.12 0.91 0.05 84.43 19:10:08 3 13.11 0.00 1.19 0.31 0.05 85.35 19:20:09 all 68.13 0.00 2.42 0.19 0.11 29.15 19:20:09 0 68.86 0.00 2.78 0.20 0.12 28.04 19:20:09 1 69.26 0.00 2.38 0.16 0.11 28.09 19:20:09 2 68.07 0.00 2.30 0.24 0.12 29.27 19:20:09 3 66.34 0.00 2.20 0.15 0.12 31.20 19:30:10 all 59.60 0.09 2.53 2.83 0.13 34.82 19:30:10 0 61.02 0.00 2.79 2.61 0.13 33.44 19:30:10 1 60.65 0.01 2.71 2.96 0.13 33.55 19:30:10 2 58.88 0.12 2.41 2.49 0.14 35.97 19:30:10 3 57.83 0.24 2.20 3.26 0.12 36.34 19:40:10 all 32.43 0.00 1.08 0.35 0.09 66.05 19:40:10 0 27.04 0.00 0.95 0.64 0.09 71.29 19:40:10 1 33.64 0.00 1.59 0.58 0.10 64.09 19:40:10 2 37.11 0.00 0.93 0.08 0.09 61.79 19:40:10 3 31.93 0.00 0.87 0.08 0.08 67.03 Average: all 19.11 0.01 0.79 0.60 0.05 79.44 Average: 0 18.44 0.00 0.86 0.92 0.05 79.73 Average: 1 19.46 0.00 0.82 0.61 0.05 79.07 Average: 2 19.75 0.01 0.77 0.42 0.05 79.00 Average: 3 18.81 0.03 0.73 0.44 0.05 79.95