---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22020 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: 5600.00 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 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 654 7902 4 7432 14991 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:f2:0a:3a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82720sec preferred_lft 82720sec inet6 fe80::f816:3eff:fef2:a3a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:7d:39:4e:2d:8f 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-22020) 09/19/26 _x86_64_ (4 CPU) 07:02:24 LINUX RESTART (4 CPU) 07:10:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:30 13.75 11.89 1.84 0.02 132.76 33.79 1.17 07:30:31 1.40 0.00 1.40 0.00 0.00 16.08 0.00 07:40:31 1.49 0.00 1.49 0.00 0.00 16.74 0.00 07:50:31 1.52 0.00 1.52 0.00 0.00 17.31 0.00 08:00:32 48.54 4.83 42.60 1.11 283.85 13673.24 1999.10 Average: 13.35 3.34 9.78 0.23 83.39 2754.78 400.54 07:10:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:30 13477732 15523444 482228 2.95 62888 2200484 1173568 6.74 246912 2383212 164 07:30:31 13475464 15521920 483772 2.95 63464 2200624 1173568 6.74 247492 2383928 164 07:40:31 13474460 15521516 484128 2.96 64032 2200632 1173568 6.74 248080 2384604 200 07:50:31 13473704 15521528 484168 2.96 64648 2200776 1173568 6.74 248708 2385928 184 08:00:32 5447284 11682856 4266432 26.06 138576 6144768 4361384 25.03 675800 9752988 77456 Average: 11869729 14754253 1240146 7.57 78722 2989457 1811131 10.40 333398 3858132 15634 07:10:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:30 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 07:20:30 ens3 0.44 0.08 0.05 0.02 0.00 0.00 0.00 0.00 07:20:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:31 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:30:31 ens3 0.31 0.07 0.04 0.02 0.00 0.00 0.00 0.00 07:30:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:31 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:40:31 ens3 0.32 0.08 0.04 0.02 0.00 0.00 0.00 0.00 07:40:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:31 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:50:31 ens3 0.29 0.07 0.04 0.02 0.00 0.00 0.00 0.00 07:50:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:32 lo 109.04 109.04 96.76 96.76 0.00 0.00 0.00 0.00 08:00:32 ens3 162.37 122.19 1266.39 18.36 0.00 0.00 0.00 0.00 08:00:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.92 21.92 19.38 19.38 0.00 0.00 0.00 0.00 Average: ens3 32.79 24.53 253.62 3.69 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-22020) 09/19/26 _x86_64_ (4 CPU) 07:02:24 LINUX RESTART (4 CPU) 07:10:30 CPU %user %nice %system %iowait %steal %idle 07:20:30 all 0.09 0.09 0.05 0.10 0.00 99.66 07:20:30 0 0.03 0.00 0.04 0.00 0.00 99.93 07:20:30 1 0.27 0.00 0.03 0.00 0.00 99.70 07:20:30 2 0.03 0.01 0.04 0.07 0.00 99.86 07:20:30 3 0.02 0.36 0.10 0.35 0.00 99.17 07:30:31 all 0.05 0.00 0.02 0.01 0.00 99.91 07:30:31 0 0.01 0.00 0.01 0.01 0.00 99.97 07:30:31 1 0.12 0.00 0.02 0.00 0.00 99.85 07:30:31 2 0.02 0.00 0.02 0.00 0.00 99.95 07:30:31 3 0.05 0.00 0.04 0.04 0.00 99.87 07:40:31 all 0.10 0.00 0.02 0.01 0.00 99.86 07:40:31 0 0.03 0.00 0.02 0.01 0.00 99.95 07:40:31 1 0.02 0.00 0.03 0.00 0.00 99.95 07:40:31 2 0.03 0.00 0.03 0.00 0.00 99.94 07:40:31 3 0.33 0.00 0.02 0.04 0.00 99.62 07:50:31 all 0.05 0.00 0.02 0.02 0.00 99.91 07:50:31 0 0.01 0.00 0.01 0.01 0.00 99.97 07:50:31 1 0.03 0.00 0.03 0.01 0.00 99.94 07:50:31 2 0.01 0.00 0.02 0.00 0.00 99.96 07:50:31 3 0.15 0.00 0.02 0.05 0.00 99.78 08:00:32 all 36.08 0.00 1.65 0.42 0.03 61.83 08:00:32 0 35.19 0.00 1.47 0.61 0.02 62.71 08:00:32 1 40.08 0.00 2.01 0.48 0.04 57.40 08:00:32 2 33.37 0.00 1.69 0.46 0.03 64.46 08:00:32 3 35.66 0.00 1.42 0.14 0.02 62.75 Average: all 7.27 0.02 0.35 0.11 0.01 92.24 Average: 0 7.05 0.00 0.31 0.13 0.01 92.51 Average: 1 8.11 0.00 0.42 0.10 0.01 91.36 Average: 2 6.68 0.00 0.36 0.11 0.01 92.85 Average: 3 7.25 0.07 0.32 0.12 0.01 92.23