---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-47136 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 17G 62G 21% / 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 731 7258 4 8000 14914 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:0e:ee:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82128sec preferred_lft 82128sec inet6 fe80::f816:3eff:fe0e:ee48/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:b7:00:fc:ac:93 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::7cb7:ff:fefc:ac93/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-16g-47136) 09/03/26 _x86_64_ (4 CPU) 09:10:07 LINUX RESTART (4 CPU) 09:20:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:09 18.23 0.88 16.53 0.83 80.69 1468.31 1897.87 09:40:01 6.21 0.04 5.81 0.36 0.43 167.19 614.43 09:50:09 8.33 0.00 7.83 0.50 0.01 276.88 682.42 10:00:09 24.19 0.76 22.16 1.27 9.87 1848.91 1237.63 10:10:01 29.03 0.03 27.45 1.55 2.13 1810.50 1003.16 10:20:03 6.26 0.55 5.45 0.26 11.58 196.17 133.21 Average: 15.35 0.38 14.17 0.79 17.48 959.36 927.69 09:20:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:09 6893696 14715436 1213228 7.41 234864 7424856 2007448 11.52 1968168 6807532 556 09:40:01 3158616 10990280 4936428 30.15 236500 7432924 5666492 32.53 1995224 10488524 268 09:50:09 1721916 9571144 6354584 38.81 238368 7448656 7069528 40.58 2001320 11922632 144 10:00:09 165972 7549016 8375016 51.15 251436 6970884 9236008 53.01 2130824 13343456 624 10:10:01 3647420 11391960 4533272 27.69 262744 7311460 5276884 30.29 2247072 9743892 116 10:20:03 4388964 12162528 3763792 22.99 263668 7339336 4518192 25.93 2253580 8999332 644 Average: 3329431 11063394 4862720 29.70 247930 7321353 5629092 32.31 2099365 10217561 392 09:20:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:09 lo 8.88 8.88 6.01 6.01 0.00 0.00 0.00 0.00 09:30:09 ens3 0.81 0.60 0.19 0.15 0.00 0.00 0.00 0.00 09:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 15.14 15.14 8.25 8.25 0.00 0.00 0.00 0.00 09:40:01 ens3 0.73 0.73 0.13 0.12 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:09 lo 9.54 9.54 5.96 5.96 0.00 0.00 0.00 0.00 09:50:09 ens3 0.59 0.50 0.09 0.08 0.00 0.00 0.00 0.00 09:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:09 lo 14.22 14.22 12.55 12.55 0.00 0.00 0.00 0.00 10:00:09 ens3 1.50 1.54 0.39 1.27 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 10:10:01 lo 30.35 30.35 15.32 15.32 0.00 0.00 0.00 0.00 10:10:01 ens3 1.66 1.79 0.38 0.36 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:03 lo 13.12 13.12 6.53 6.53 0.00 0.00 0.00 0.00 10:20:03 ens3 1.10 0.92 0.57 0.31 0.00 0.00 0.00 0.00 10:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 15.16 15.16 9.08 9.08 0.00 0.00 0.00 0.00 Average: ens3 1.06 1.01 0.29 0.38 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-16g-47136) 09/03/26 _x86_64_ (4 CPU) 09:10:07 LINUX RESTART (4 CPU) 09:20:09 CPU %user %nice %system %iowait %steal %idle 09:30:09 all 18.89 0.00 0.84 0.09 0.03 80.15 09:30:09 0 19.55 0.00 0.97 0.07 0.03 79.38 09:30:09 1 18.53 0.00 0.89 0.06 0.03 80.48 09:30:09 2 18.49 0.00 0.80 0.11 0.04 80.55 09:30:09 3 18.98 0.00 0.69 0.10 0.03 80.19 09:40:01 all 14.54 0.00 0.68 0.05 0.04 84.70 09:40:01 0 14.50 0.00 0.69 0.07 0.03 84.71 09:40:01 1 13.77 0.00 0.75 0.03 0.04 85.42 09:40:01 2 15.17 0.00 0.61 0.07 0.04 84.12 09:40:01 3 14.71 0.00 0.66 0.03 0.04 84.56 09:50:09 all 16.64 0.00 0.75 0.05 0.04 82.52 09:50:09 0 16.14 0.00 0.73 0.04 0.04 83.04 09:50:09 1 16.77 0.00 0.81 0.03 0.04 82.35 09:50:09 2 16.74 0.00 0.69 0.03 0.04 82.50 09:50:09 3 16.90 0.00 0.77 0.09 0.04 82.20 10:00:09 all 34.20 0.00 1.33 0.07 0.04 64.35 10:00:09 0 34.32 0.00 1.40 0.04 0.04 64.21 10:00:09 1 34.24 0.00 1.37 0.17 0.05 64.17 10:00:09 2 34.37 0.00 1.31 0.06 0.04 64.22 10:00:09 3 33.87 0.00 1.25 0.03 0.04 64.82 10:10:01 all 42.19 0.00 1.71 0.10 0.05 55.95 10:10:01 0 42.70 0.00 1.70 0.07 0.05 55.47 10:10:01 1 42.09 0.00 1.65 0.08 0.05 56.13 10:10:01 2 42.33 0.00 1.78 0.07 0.05 55.77 10:10:01 3 41.63 0.00 1.71 0.19 0.05 56.43 10:20:03 all 8.04 0.00 0.38 0.05 0.03 91.50 10:20:03 0 8.65 0.00 0.39 0.03 0.03 90.90 10:20:03 1 7.30 0.00 0.42 0.02 0.03 92.23 10:20:03 2 8.02 0.00 0.38 0.12 0.03 91.44 10:20:03 3 8.18 0.00 0.34 0.02 0.03 91.43 Average: all 22.38 0.00 0.95 0.07 0.04 76.57 Average: 0 22.60 0.00 0.98 0.05 0.04 76.33 Average: 1 22.08 0.00 0.98 0.06 0.04 76.83 Average: 2 22.49 0.00 0.93 0.08 0.04 76.47 Average: 3 22.34 0.00 0.90 0.07 0.04 76.64