---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-47137 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 16G 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 719 7425 4 7843 14926 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:f4:d5:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82156sec preferred_lft 82156sec inet6 fe80::f816:3eff:fef4:d5ec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:28:f6:b0:a7:e6 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::2c28:f6ff:feb0:a7e6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-16g-47137) 09/03/26 _x86_64_ (4 CPU) 09:10:35 LINUX RESTART (4 CPU) 09:20:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 15.93 0.67 14.36 0.90 60.97 1420.72 862.82 09:40:05 7.67 0.19 7.16 0.33 15.20 200.77 696.98 09:50:05 7.72 0.00 7.26 0.46 0.03 270.61 1027.40 10:00:01 23.99 0.73 21.94 1.32 9.24 1902.30 1631.93 10:10:05 28.10 0.05 26.68 1.37 3.14 1778.53 1078.92 10:20:00 7.72 0.03 7.38 0.31 0.36 196.12 1206.51 Average: 15.20 0.28 14.14 0.78 14.79 961.27 1083.10 09:20:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 958508 8923636 7001772 42.76 235048 7570296 7772952 44.62 1948652 12719616 108 09:40:05 3305444 11285660 4641292 28.35 236824 7583492 5405468 31.03 1996276 10355448 668 09:50:05 842140 8839456 7086552 43.28 238452 7598920 8425240 48.36 2002324 12805220 388 10:00:01 152060 7414776 8509732 51.97 251848 6854368 9313132 53.46 2135216 13347780 644 10:10:05 1323224 8901652 7022988 42.89 262940 7150208 7735332 44.40 2243868 12059956 288 10:20:00 3810868 11411816 4514748 27.57 263912 7171748 5258604 30.18 2248616 9593228 124 Average: 1732041 9462833 6462847 39.47 248171 7321505 7318455 42.01 2095825 11813541 370 09:20:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 9.09 9.09 6.11 6.11 0.00 0.00 0.00 0.00 09:30:01 ens3 0.75 0.55 0.18 0.14 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:05 lo 9.32 9.32 5.13 5.13 0.00 0.00 0.00 0.00 09:40:05 ens3 0.55 0.45 0.09 0.07 0.00 0.00 0.00 0.00 09:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:05 lo 12.24 12.24 7.52 7.52 0.00 0.00 0.00 0.00 09:50:05 ens3 0.72 0.70 0.12 0.11 0.00 0.00 0.00 0.00 09:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 16.12 16.12 13.67 13.67 0.00 0.00 0.00 0.00 10:00:01 ens3 1.34 1.18 0.38 0.32 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:05 lo 24.54 24.54 12.97 12.97 0.00 0.00 0.00 0.00 10:10:05 ens3 1.42 1.39 0.33 0.30 0.00 0.00 0.00 0.00 10:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:00 lo 20.07 20.07 9.27 9.27 0.00 0.00 0.00 0.00 10:20:00 ens3 1.07 1.03 0.27 0.90 0.00 0.00 0.00 0.00 10:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 15.23 15.23 9.11 9.11 0.00 0.00 0.00 0.00 Average: ens3 0.97 0.89 0.23 0.31 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-47137) 09/03/26 _x86_64_ (4 CPU) 09:10:35 LINUX RESTART (4 CPU) 09:20:05 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 19.25 0.00 0.87 0.12 0.09 79.66 09:30:01 0 18.48 0.00 0.90 0.05 0.09 80.48 09:30:01 1 20.59 0.00 0.83 0.16 0.09 78.32 09:30:01 2 19.03 0.00 0.97 0.09 0.09 79.82 09:30:01 3 18.91 0.00 0.78 0.18 0.09 80.04 09:40:05 all 15.18 0.00 0.79 0.04 0.07 83.92 09:40:05 0 15.84 0.00 0.82 0.03 0.07 83.24 09:40:05 1 14.93 0.00 0.83 0.05 0.06 84.13 09:40:05 2 14.82 0.00 0.73 0.05 0.07 84.33 09:40:05 3 15.12 0.00 0.78 0.04 0.07 83.99 09:50:05 all 18.39 0.00 0.86 0.05 0.06 80.64 09:50:05 0 18.90 0.00 0.93 0.05 0.06 80.06 09:50:05 1 18.32 0.00 0.98 0.07 0.06 80.57 09:50:05 2 18.30 0.00 0.81 0.05 0.06 80.79 09:50:05 3 18.02 0.00 0.72 0.04 0.07 81.15 10:00:01 all 36.37 0.00 1.42 0.07 0.06 62.09 10:00:01 0 35.74 0.00 1.52 0.04 0.05 62.64 10:00:01 1 36.50 0.00 1.48 0.15 0.05 61.82 10:00:01 2 36.20 0.00 1.30 0.05 0.06 62.39 10:00:01 3 37.05 0.00 1.37 0.03 0.06 61.48 10:10:05 all 39.60 0.00 1.66 0.11 0.07 58.57 10:10:05 0 40.92 0.00 1.79 0.15 0.06 57.08 10:10:05 1 39.34 0.00 1.66 0.13 0.07 58.80 10:10:05 2 39.11 0.00 1.52 0.10 0.06 59.20 10:10:05 3 39.02 0.00 1.67 0.06 0.07 59.18 10:20:00 all 12.54 0.00 0.60 0.05 0.05 86.76 10:20:00 0 12.11 0.00 0.65 0.07 0.05 87.12 10:20:00 1 13.15 0.00 0.59 0.02 0.05 86.19 10:20:00 2 12.33 0.00 0.59 0.01 0.05 87.02 10:20:00 3 12.58 0.00 0.57 0.09 0.06 86.71 Average: all 23.58 0.00 1.04 0.07 0.06 75.25 Average: 0 23.70 0.00 1.10 0.07 0.06 75.07 Average: 1 23.82 0.00 1.06 0.10 0.06 74.95 Average: 2 23.32 0.00 0.99 0.06 0.06 75.57 Average: 3 23.47 0.00 0.99 0.07 0.07 75.40