---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-57787 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 9.6G 68G 13% / 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 618 11407 4 3963 15027 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:f9:74:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82368sec preferred_lft 82368sec inet6 fe80::f816:3eff:fef9:74f4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:91:f2:dd:7a:95 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-57787) 09/23/26 _x86_64_ (4 CPU) 17:32:54 LINUX RESTART (4 CPU) 17:40:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:50:25 1.46 0.01 1.44 0.01 0.04 18.07 1.07 18:00:01 14.78 0.00 1.49 13.29 0.15 16.73 251961.96 18:10:25 1.25 0.00 1.25 0.00 0.22 13.88 0.00 18:20:25 1.17 0.00 1.17 0.00 0.01 13.64 0.00 18:30:01 85.37 4.92 72.75 7.70 290.33 6410.31 137668.68 Average: 20.19 0.96 15.17 4.07 56.32 1254.20 75444.42 17:40:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:50:25 13528752 15523068 489968 2.99 59908 2159364 1178588 6.77 209852 2381684 160 18:00:01 13523220 15523236 489920 2.99 60708 2164224 1178652 6.77 215452 2382776 4 18:10:25 13522716 15523268 489900 2.99 61172 2164300 1178652 6.77 215908 2383892 16 18:20:25 13522212 15523296 489884 2.99 61552 2164440 1178652 6.77 216288 2384788 20 18:30:01 9140632 12746500 3210876 19.61 154700 3579316 3520560 20.21 678396 6163964 1488 Average: 12647506 14967874 1034110 6.32 79608 2446329 1647021 9.45 307179 3139421 338 17:40:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:50:25 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:50:25 ens3 0.29 0.11 0.07 0.04 0.00 0.00 0.00 0.00 17:50:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:00:01 ens3 0.22 0.08 0.04 0.02 0.00 0.00 0.00 0.00 18:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:25 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:10:25 ens3 0.23 0.09 0.06 0.04 0.00 0.00 0.00 0.00 18:10:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:25 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:20:25 ens3 0.20 0.08 0.04 0.02 0.00 0.00 0.00 0.00 18:20:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:01 lo 8.33 8.33 1.69 1.69 0.00 0.00 0.00 0.00 18:30:01 ens3 143.56 110.16 975.55 19.64 0.00 0.00 0.00 0.00 18:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.69 1.69 0.33 0.33 0.00 0.00 0.00 0.00 Average: ens3 28.00 21.41 189.00 3.83 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-57787) 09/23/26 _x86_64_ (4 CPU) 17:32:54 LINUX RESTART (4 CPU) 17:40:25 CPU %user %nice %system %iowait %steal %idle 17:50:25 all 0.10 0.00 0.03 0.01 0.00 99.85 17:50:25 0 0.04 0.00 0.04 0.04 0.00 99.88 17:50:25 1 0.02 0.00 0.02 0.01 0.00 99.95 17:50:25 2 0.31 0.00 0.05 0.00 0.00 99.64 17:50:25 3 0.05 0.00 0.03 0.00 0.00 99.92 18:00:01 all 0.11 0.00 0.04 0.04 0.00 99.81 18:00:01 0 0.04 0.00 0.07 0.14 0.00 99.76 18:00:01 1 0.03 0.00 0.03 0.00 0.00 99.94 18:00:01 2 0.35 0.00 0.04 0.00 0.00 99.61 18:00:01 3 0.03 0.00 0.02 0.00 0.00 99.94 18:10:25 all 0.10 0.00 0.04 0.01 0.00 99.86 18:10:25 0 0.02 0.00 0.03 0.00 0.00 99.94 18:10:25 1 0.03 0.00 0.03 0.01 0.00 99.92 18:10:25 2 0.30 0.00 0.03 0.01 0.00 99.66 18:10:25 3 0.03 0.00 0.04 0.02 0.00 99.90 18:20:25 all 0.25 0.00 0.04 0.01 0.00 99.70 18:20:25 0 0.03 0.00 0.05 0.00 0.00 99.92 18:20:25 1 0.21 0.00 0.04 0.03 0.00 99.72 18:20:25 2 0.74 0.00 0.03 0.00 0.00 99.22 18:20:25 3 0.03 0.00 0.04 0.01 0.00 99.93 18:30:01 all 39.06 0.00 1.98 0.77 0.02 58.16 18:30:01 0 37.20 0.00 1.77 0.86 0.02 60.14 18:30:01 1 40.20 0.00 1.99 0.52 0.02 57.27 18:30:01 2 38.22 0.00 2.06 0.62 0.02 59.08 18:30:01 3 40.64 0.00 2.11 1.08 0.02 56.16 Average: all 7.67 0.00 0.41 0.16 0.01 91.75 Average: 0 7.22 0.00 0.38 0.20 0.01 92.19 Average: 1 7.84 0.00 0.41 0.11 0.00 91.64 Average: 2 7.73 0.00 0.43 0.12 0.01 91.72 Average: 3 7.88 0.00 0.43 0.21 0.01 91.47