---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-63096 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 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 735 7070 4 8183 14911 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:ff:d9:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83356sec preferred_lft 83356sec inet6 fe80::f816:3eff:feff:d924/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:e3:6b:86:1f:8d 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::50e3:6bff:fe86:1f8d/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-4c-16g-63096) 10/09/26 _x86_64_ (4 CPU) 09:44:32 LINUX RESTART (4 CPU) 09:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:06 31.69 1.97 28.23 1.48 120.48 4020.72 1882.80 10:10:06 4.99 0.01 4.74 0.24 0.05 167.90 613.60 10:20:06 7.31 0.01 6.94 0.36 0.55 234.59 638.95 10:30:04 26.01 0.81 23.85 1.35 13.53 1901.92 1336.57 Average: 17.49 0.70 15.94 0.86 33.67 1581.08 1117.84 09:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:06 1965624 10323200 5603308 34.22 236972 7951520 7045596 40.44 1963264 11723540 400 10:10:06 2465360 10831208 5094760 31.12 238192 7958352 5880748 33.76 1980288 11186984 292 10:20:06 1234276 9617148 6308184 38.53 239684 7973820 7078288 40.63 1986528 12418676 148 10:30:04 4054244 11782384 4142848 25.30 256356 7299580 5157848 29.61 2121992 9469884 77856 Average: 2429876 10638485 5287275 32.29 242801 7795818 6290620 36.11 2013018 11199771 19674 09:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:06 lo 9.85 9.85 7.97 7.97 0.00 0.00 0.00 0.00 10:00:06 ens3 1.02 0.80 0.32 0.21 0.00 0.00 0.00 0.00 10:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:06 lo 14.96 14.96 7.67 7.67 0.00 0.00 0.00 0.00 10:10:06 ens3 0.75 0.57 0.19 0.15 0.00 0.00 0.00 0.00 10:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:06 lo 7.81 7.81 5.21 5.21 0.00 0.00 0.00 0.00 10:20:06 ens3 0.47 0.33 0.08 0.06 0.00 0.00 0.00 0.00 10:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:04 lo 15.08 15.08 12.65 12.65 0.00 0.00 0.00 0.00 10:30:04 ens3 1.64 1.72 0.43 1.34 0.00 0.00 0.00 0.00 10:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 11.92 11.92 8.37 8.37 0.00 0.00 0.00 0.00 Average: ens3 0.97 0.85 0.25 0.44 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-16g-63096) 10/09/26 _x86_64_ (4 CPU) 09:44:32 LINUX RESTART (4 CPU) 09:50:06 CPU %user %nice %system %iowait %steal %idle 10:00:06 all 28.48 0.00 1.28 0.39 0.02 69.83 10:00:06 0 29.96 0.00 1.27 0.34 0.03 68.40 10:00:06 1 28.11 0.00 1.43 0.26 0.02 70.18 10:00:06 2 27.86 0.00 1.25 0.66 0.02 70.22 10:00:06 3 27.99 0.00 1.16 0.32 0.02 70.51 10:10:06 all 11.10 0.00 0.59 0.03 0.01 88.27 10:10:06 0 10.95 0.00 0.68 0.05 0.01 88.32 10:10:06 1 11.21 0.00 0.57 0.04 0.02 88.17 10:10:06 2 11.40 0.00 0.59 0.01 0.01 87.98 10:10:06 3 10.85 0.00 0.50 0.03 0.02 88.61 10:20:06 all 16.84 0.00 0.84 0.03 0.01 82.28 10:20:06 0 16.55 0.00 0.93 0.03 0.02 82.48 10:20:06 1 16.84 0.00 0.88 0.03 0.02 82.24 10:20:06 2 17.49 0.00 0.80 0.03 0.01 81.68 10:20:06 3 16.47 0.00 0.74 0.03 0.01 82.75 10:30:04 all 35.78 0.00 1.53 0.11 0.02 62.57 10:30:04 0 34.77 0.00 1.53 0.04 0.02 63.65 10:30:04 1 35.50 0.00 1.44 0.17 0.02 62.87 10:30:04 2 36.63 0.00 1.73 0.16 0.03 61.45 10:30:04 3 36.21 0.00 1.41 0.06 0.02 62.30 Average: all 23.03 0.00 1.06 0.14 0.02 75.75 Average: 0 23.04 0.00 1.10 0.11 0.02 75.73 Average: 1 22.90 0.00 1.08 0.12 0.02 75.88 Average: 2 23.33 0.00 1.09 0.21 0.02 75.34 Average: 3 22.87 0.00 0.95 0.11 0.02 76.05