---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8220 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 12G 67G 15% / 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 674 9583 4 5731 14971 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:49:54:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81644sec preferred_lft 81644sec inet6 fe80::f816:3eff:fe49:5442/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:9c:79:e0:7e:dd 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-8220) 09/14/26 _x86_64_ (4 CPU) 17:32:29 LINUX RESTART (4 CPU) 17:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:50:09 1.58 0.00 1.57 0.01 0.04 20.85 613.72 18:00:09 1.55 0.00 1.55 0.00 0.00 17.57 0.00 18:10:01 1.51 0.00 1.51 0.00 0.00 16.70 0.00 18:20:09 1.57 0.00 1.57 0.00 0.01 17.81 0.00 18:30:09 87.13 4.73 74.58 7.83 278.91 6267.05 157617.21 18:40:01 9.37 0.00 7.95 1.42 0.00 691.84 23362.33 18:50:00 37.55 0.44 31.97 5.14 19.57 6999.32 33776.51 Average: 20.02 0.74 17.23 2.05 42.66 2002.55 30725.39 17:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:50:09 13473548 15524552 486924 2.97 62932 2212116 1165412 6.69 219352 2417416 176 18:00:09 13472832 15524472 486992 2.97 63524 2212132 1165476 6.69 219956 2420128 4 18:10:01 13472832 15525172 486208 2.97 64084 2212272 1165476 6.69 220500 2421148 208 18:20:09 13472080 15525044 486384 2.97 64672 2212284 1165476 6.69 221112 2421632 32 18:30:09 9263588 12919044 3037644 18.55 156352 3625820 3283832 18.85 681520 6018460 2076 18:40:01 9204652 13025588 2929532 17.89 163644 3768744 3217304 18.47 712688 6039880 1628 18:50:00 9836052 15348276 597500 3.65 196784 5339324 1132532 6.50 1345796 4656188 0 Average: 11742226 14770307 1215883 7.43 110285 3083242 1756501 10.08 517275 3770693 589 17:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:50:09 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:50:09 ens3 0.30 0.12 0.07 0.04 0.00 0.00 0.00 0.00 17:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:09 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:00:09 ens3 0.36 0.18 0.20 0.04 0.00 0.00 0.00 0.00 18:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:10:01 ens3 0.20 0.07 0.02 0.02 0.00 0.00 0.00 0.00 18:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:09 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:20:09 ens3 0.17 0.07 0.02 0.02 0.00 0.00 0.00 0.00 18:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:09 lo 13.32 13.32 2.85 2.85 0.00 0.00 0.00 0.00 18:30:09 ens3 138.31 108.34 934.95 19.74 0.00 0.00 0.00 0.00 18:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:01 lo 51.91 51.91 13.22 13.22 0.00 0.00 0.00 0.00 18:40:01 ens3 7.41 5.96 4.96 1.93 0.00 0.00 0.00 0.00 18:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:00 lo 2601.59 2601.59 2499.30 2499.30 0.00 0.00 0.00 0.00 18:50:00 ens3 104.49 99.16 524.88 554.08 0.00 0.00 0.00 0.00 18:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 380.61 380.61 359.01 359.01 0.00 0.00 0.00 0.00 Average: ens3 35.87 30.54 209.26 82.20 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-8220) 09/14/26 _x86_64_ (4 CPU) 17:32:29 LINUX RESTART (4 CPU) 17:40:01 CPU %user %nice %system %iowait %steal %idle 17:50:09 all 0.14 0.00 0.03 0.02 0.00 99.82 17:50:09 0 0.03 0.00 0.04 0.00 0.00 99.92 17:50:09 1 0.01 0.00 0.02 0.01 0.00 99.96 17:50:09 2 0.03 0.00 0.02 0.05 0.00 99.90 17:50:09 3 0.48 0.00 0.03 0.00 0.00 99.49 18:00:09 all 0.28 0.00 0.02 0.01 0.00 99.68 18:00:09 0 0.99 0.00 0.01 0.01 0.00 98.99 18:00:09 1 0.01 0.00 0.02 0.00 0.00 99.97 18:00:09 2 0.08 0.00 0.04 0.04 0.00 99.84 18:00:09 3 0.02 0.00 0.02 0.01 0.00 99.95 18:10:01 all 0.04 0.00 0.03 0.01 0.00 99.92 18:10:01 0 0.08 0.00 0.04 0.00 0.00 99.89 18:10:01 1 0.02 0.00 0.02 0.01 0.00 99.95 18:10:01 2 0.02 0.00 0.03 0.04 0.00 99.91 18:10:01 3 0.03 0.00 0.02 0.00 0.00 99.94 18:20:09 all 0.20 0.00 0.03 0.01 0.00 99.76 18:20:09 0 0.02 0.00 0.03 0.00 0.00 99.95 18:20:09 1 0.74 0.00 0.03 0.04 0.00 99.18 18:20:09 2 0.02 0.00 0.03 0.01 0.00 99.94 18:20:09 3 0.02 0.00 0.02 0.01 0.00 99.96 18:30:09 all 35.37 0.00 1.81 0.63 0.02 62.18 18:30:09 0 34.41 0.00 1.81 0.81 0.02 62.95 18:30:09 1 33.81 0.00 1.63 0.37 0.02 64.17 18:30:09 2 36.42 0.00 2.12 0.24 0.02 61.21 18:30:09 3 36.83 0.00 1.67 1.11 0.02 60.38 18:40:01 all 15.53 0.00 0.91 0.06 0.01 83.49 18:40:01 0 16.11 0.00 0.93 0.02 0.01 82.93 18:40:01 1 14.82 0.00 0.95 0.03 0.01 84.19 18:40:01 2 15.68 0.00 0.87 0.05 0.01 83.39 18:40:01 3 15.50 0.00 0.88 0.14 0.02 83.47 18:50:00 all 48.63 0.00 2.86 0.14 0.02 48.35 18:50:00 0 49.92 0.00 2.89 0.19 0.02 46.98 18:50:00 1 47.92 0.00 2.78 0.14 0.02 49.15 18:50:00 2 49.39 0.00 2.99 0.09 0.02 47.52 18:50:00 3 47.30 0.00 2.77 0.15 0.02 49.75 Average: all 14.26 0.00 0.81 0.13 0.01 84.80 Average: 0 14.45 0.00 0.82 0.15 0.01 84.58 Average: 1 13.86 0.00 0.78 0.09 0.01 85.27 Average: 2 14.47 0.00 0.87 0.07 0.01 84.58 Average: 3 14.25 0.00 0.77 0.20 0.01 84.77