---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15583 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 684 8278 4 7026 14962 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:f6:e0:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.220/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81626sec preferred_lft 81626sec inet6 fe80::f816:3eff:fef6:e021/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:73:87:fd:8d:81 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-15583) 05/15/26 _x86_64_ (4 CPU) 18:23:50 LINUX RESTART (4 CPU) 18:30:33 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:29 1.12 0.01 1.12 0.00 0.04 14.99 0.13 18:50:33 13.31 11.79 1.51 0.00 131.25 30.88 0.11 19:00:33 1.25 0.00 1.25 0.00 0.00 15.59 0.00 19:10:32 48.98 4.80 43.15 1.03 277.99 4646.31 3494.99 19:20:17 24.00 0.38 20.68 2.93 17.06 2361.02 7324.18 19:30:28 47.20 0.02 30.05 17.14 0.37 2745.03 250737.55 19:40:02 15.85 0.33 13.96 1.56 12.49 10042.21 54689.39 Average: 21.77 2.50 15.98 3.29 63.12 2793.29 45798.23 18:30:33 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:29 13758744 15515460 502996 3.07 54424 1929336 1149824 6.60 194056 2172564 40 18:50:33 13704024 15510536 499952 3.05 57624 1968892 1149824 6.60 232164 2178004 8 19:00:33 13703268 15510516 500156 3.05 58200 1969028 1149888 6.60 232748 2179092 8 19:10:32 11177032 14315004 1647448 10.06 123400 3164932 2285360 13.12 566072 4267660 19968 19:20:17 9490828 13156256 2800960 17.11 146216 3621044 3053044 17.52 743940 5731796 37988 19:30:28 8384884 13076736 2876072 17.57 166940 4581628 2810324 16.13 1042500 6488628 560276 19:40:02 8496320 15331400 614120 3.75 187884 6631264 1116968 6.41 1799696 5505164 3112 Average: 11245014 14630844 1348815 8.24 113527 3409446 1816462 10.43 687311 4074701 88771 18:30:33 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:29 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:40:29 ens3 0.25 0.11 0.07 0.04 0.00 0.00 0.00 0.00 18:40:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:33 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:50:33 ens3 0.18 0.08 0.04 0.02 0.00 0.00 0.00 0.00 18:50:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:33 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 19:00:33 ens3 0.22 0.11 0.07 0.04 0.00 0.00 0.00 0.00 19:00:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:32 lo 226.84 226.84 215.95 215.95 0.00 0.00 0.00 0.00 19:10:32 ens3 119.83 91.22 1242.24 16.19 0.00 0.00 0.00 0.00 19:10:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:17 lo 1421.89 1421.89 1348.56 1348.56 0.00 0.00 0.00 0.00 19:20:17 ens3 53.68 44.21 76.34 14.42 0.00 0.00 0.00 0.00 19:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:28 lo 1474.20 1474.20 1404.68 1404.68 0.00 0.00 0.00 0.00 19:30:28 ens3 50.54 37.67 31.17 13.01 0.00 0.00 0.00 0.00 19:30:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:02 lo 2566.40 2566.40 9701.95 9701.95 0.00 0.00 0.00 0.00 19:40:02 ens3 43.13 45.53 164.00 547.98 0.00 0.00 0.00 0.00 19:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 801.83 801.83 1763.15 1763.15 0.00 0.00 0.00 0.00 Average: ens3 38.18 31.13 216.22 81.79 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-15583) 05/15/26 _x86_64_ (4 CPU) 18:23:50 LINUX RESTART (4 CPU) 18:30:33 CPU %user %nice %system %iowait %steal %idle 18:40:29 all 0.16 0.00 0.02 0.01 0.02 99.78 18:40:29 0 0.48 0.00 0.02 0.01 0.02 99.47 18:40:29 1 0.03 0.00 0.02 0.00 0.02 99.93 18:40:29 2 0.03 0.00 0.02 0.03 0.02 99.90 18:40:29 3 0.11 0.00 0.03 0.00 0.03 99.84 18:50:33 all 0.14 0.07 0.04 0.06 0.03 99.68 18:50:33 0 0.01 0.00 0.02 0.03 0.01 99.92 18:50:33 1 0.48 0.00 0.03 0.00 0.04 99.44 18:50:33 2 0.04 0.26 0.08 0.19 0.03 99.40 18:50:33 3 0.01 0.00 0.03 0.00 0.02 99.94 19:00:33 all 0.24 0.00 0.02 0.01 0.02 99.70 19:00:33 0 0.01 0.00 0.02 0.00 0.01 99.96 19:00:33 1 0.92 0.00 0.03 0.00 0.04 99.00 19:00:33 2 0.02 0.00 0.02 0.03 0.03 99.89 19:00:33 3 0.02 0.00 0.02 0.00 0.02 99.95 19:10:32 all 13.54 0.00 0.80 0.27 0.04 85.34 19:10:32 0 12.81 0.00 0.83 0.10 0.04 86.23 19:10:32 1 14.49 0.00 0.88 0.43 0.05 84.15 19:10:32 2 13.10 0.00 0.78 0.47 0.04 85.61 19:10:32 3 13.76 0.00 0.71 0.10 0.04 85.39 19:20:17 all 68.60 0.00 2.47 0.06 0.09 28.79 19:20:17 0 67.85 0.00 2.55 0.06 0.09 29.45 19:20:17 1 68.42 0.00 2.41 0.05 0.09 29.03 19:20:17 2 69.25 0.00 2.49 0.03 0.09 28.14 19:20:17 3 68.86 0.00 2.43 0.08 0.09 28.54 19:30:28 all 64.17 0.00 2.57 0.10 0.09 33.07 19:30:28 0 63.48 0.00 2.90 0.10 0.09 33.43 19:30:28 1 62.36 0.00 2.61 0.10 0.09 34.85 19:30:28 2 66.86 0.00 2.36 0.08 0.09 30.60 19:30:28 3 63.99 0.00 2.41 0.11 0.09 33.40 19:40:02 all 37.67 0.00 1.42 0.15 0.08 60.69 19:40:02 0 34.27 0.00 1.44 0.35 0.08 63.86 19:40:02 1 40.89 0.00 1.53 0.10 0.08 57.40 19:40:02 2 32.48 0.00 1.35 0.07 0.08 66.02 19:40:02 3 43.03 0.00 1.36 0.06 0.07 55.47 Average: all 26.19 0.01 1.04 0.09 0.05 72.61 Average: 0 25.41 0.00 1.11 0.09 0.05 73.34 Average: 1 26.59 0.00 1.07 0.10 0.06 72.18 Average: 2 25.84 0.04 1.01 0.13 0.05 72.93 Average: 3 26.91 0.00 0.99 0.05 0.05 71.99