---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-873 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 11G 68G 14% / 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 632 10597 4 4759 15014 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:23:8b:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.5/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82156sec preferred_lft 82156sec inet6 fe80::f816:3eff:fe23:8b5f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:12:5d:00:ae:f7 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-873) 03/17/26 _x86_64_ (4 CPU) 13:55:29 LINUX RESTART (4 CPU) 14:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:06 1.42 0.04 1.36 0.01 2.27 17.97 215.29 14:20:09 1.41 0.02 1.38 0.00 1.82 16.44 0.04 14:30:01 1.18 0.00 1.18 0.00 0.00 14.18 0.00 14:40:09 57.33 2.17 41.99 13.16 129.41 2344.84 240706.32 14:50:09 13.14 1.92 10.52 0.69 125.09 2587.17 341.65 15:00:01 31.34 0.80 27.11 3.42 27.66 3468.22 4050.43 Average: 17.69 0.83 13.96 2.90 47.92 1405.83 41377.90 14:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:06 13812144 15549088 470048 2.87 54196 1909724 1126488 6.47 193312 2119288 12 14:20:09 13781052 15519092 499960 3.05 54612 1910404 1127196 6.47 193944 2149532 24 14:30:01 13780804 15519280 499868 3.05 55028 1910412 1135388 6.52 194360 2149692 244 14:40:09 13178808 15542556 437412 2.67 96756 2460812 979548 5.62 335744 2542712 180 14:50:09 10866412 14032152 1928800 11.78 129260 3173264 2182532 12.53 546308 4599636 19360 15:00:01 8835836 12919748 3032764 18.52 168384 3969960 3325784 19.09 787260 6279912 15512 Average: 12375843 14846986 1144809 6.99 93039 2555763 1646156 9.45 375155 3306795 5889 14:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:06 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 14:10:06 ens3 0.71 0.12 0.08 0.03 0.00 0.00 0.00 0.00 14:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:09 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 14:20:09 ens3 6.34 4.43 3.53 3.52 0.00 0.00 0.00 0.00 14:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:30:01 ens3 1.59 0.25 0.34 0.17 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:09 lo 0.29 0.29 0.04 0.04 0.00 0.00 0.00 0.00 14:40:09 ens3 39.93 30.10 297.24 9.95 0.00 0.00 0.00 0.00 14:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:09 lo 1.01 1.01 0.10 0.10 0.00 0.00 0.00 0.00 14:50:09 ens3 83.32 69.61 598.26 17.38 0.00 0.00 0.00 0.00 14:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 1500.90 1500.90 1430.75 1430.75 0.00 0.00 0.00 0.00 15:00:01 ens3 91.16 64.91 389.25 18.39 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 247.34 247.34 235.55 235.55 0.00 0.00 0.00 0.00 Average: ens3 37.07 28.17 214.59 8.22 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-4g-873) 03/17/26 _x86_64_ (4 CPU) 13:55:29 LINUX RESTART (4 CPU) 14:00:01 CPU %user %nice %system %iowait %steal %idle 14:10:06 all 0.19 0.00 0.03 0.40 0.02 99.35 14:10:06 0 0.03 0.00 0.02 0.08 0.03 99.84 14:10:06 1 0.03 0.00 0.03 0.06 0.01 99.87 14:10:06 2 0.02 0.00 0.03 0.15 0.02 99.78 14:10:06 3 0.68 0.00 0.06 1.32 0.03 97.91 14:20:09 all 0.27 0.00 0.04 0.07 0.02 99.60 14:20:09 0 0.42 0.00 0.04 0.21 0.01 99.32 14:20:09 1 0.22 0.00 0.05 0.01 0.02 99.70 14:20:09 2 0.17 0.00 0.05 0.08 0.02 99.68 14:20:09 3 0.26 0.00 0.02 0.00 0.01 99.71 14:30:01 all 0.22 0.00 0.03 0.06 0.02 99.68 14:30:01 0 0.18 0.00 0.03 0.15 0.01 99.63 14:30:01 1 0.03 0.00 0.03 0.00 0.03 99.91 14:30:01 2 0.31 0.00 0.02 0.06 0.02 99.58 14:30:01 3 0.38 0.00 0.01 0.01 0.01 99.59 14:40:09 all 2.49 0.00 0.33 0.49 0.02 96.66 14:40:09 0 1.04 0.00 0.20 0.12 0.03 98.62 14:40:09 1 2.79 0.00 0.41 0.48 0.02 96.29 14:40:09 2 2.90 0.00 0.37 1.15 0.03 95.55 14:40:09 3 3.23 0.00 0.33 0.22 0.02 96.20 14:50:09 all 49.84 0.00 1.66 1.03 0.10 47.37 14:50:09 0 49.24 0.00 1.58 0.39 0.10 48.69 14:50:09 1 51.48 0.00 1.72 1.80 0.11 44.89 14:50:09 2 47.79 0.00 1.54 1.49 0.11 49.07 14:50:09 3 50.86 0.00 1.80 0.42 0.10 46.82 15:00:01 all 68.38 0.00 2.71 0.60 0.13 28.18 15:00:01 0 67.55 0.00 2.95 0.50 0.14 28.87 15:00:01 1 69.35 0.00 2.33 0.65 0.13 27.53 15:00:01 2 68.40 0.00 2.63 0.68 0.13 28.16 15:00:01 3 68.22 0.00 2.92 0.58 0.13 28.15 Average: all 20.00 0.00 0.79 0.44 0.05 78.71 Average: 0 19.54 0.00 0.80 0.24 0.05 79.37 Average: 1 20.39 0.00 0.76 0.50 0.05 78.30 Average: 2 19.73 0.00 0.77 0.60 0.05 78.85 Average: 3 20.36 0.00 0.85 0.43 0.05 78.32