---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-47146 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 720 7450 4 7818 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:7f:96:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.94/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82193sec preferred_lft 82193sec inet6 fe80::f816:3eff:fe7f:9632/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:95:76:dd:64:73 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::5095:76ff:fedd:6473/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-16g-47146) 09/03/26 _x86_64_ (4 CPU) 09:11:11 LINUX RESTART (4 CPU) 09:20:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:44 24.88 1.66 21.88 1.35 96.82 3701.36 1095.71 09:40:02 8.15 0.25 7.50 0.40 19.19 259.69 1635.82 09:50:44 7.24 0.00 6.85 0.39 0.01 251.28 623.57 10:00:36 25.97 0.80 23.84 1.32 11.54 1937.94 931.25 10:10:20 30.98 0.02 29.40 1.56 1.26 1823.82 1204.92 10:20:01 5.91 0.03 5.71 0.17 0.63 147.28 63.72 Average: 17.23 0.47 15.88 0.87 22.25 1377.35 918.92 09:20:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:44 1189836 9046412 6880348 42.02 230948 7468400 7767204 44.58 1898816 12551552 84 09:40:02 2359816 10232184 5696088 34.79 232696 7482428 6603424 37.90 1961764 11327072 316 09:50:44 1768076 9657720 6269412 38.29 234320 7498036 7024720 40.32 1967660 11907308 448 10:00:36 4049236 11253928 4673072 28.54 248204 6802400 5415076 31.08 2102964 9510248 11308 10:10:20 3786932 11344640 4582576 27.99 259744 7134192 5382020 30.89 2213580 9651788 92 10:20:01 3730252 11304880 4623204 28.24 260404 7150356 5288176 30.35 2214840 9703344 228 Average: 2814025 10473294 5454117 33.31 244386 7255969 6246770 35.86 2059937 10775219 2079 09:20:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:44 lo 8.84 8.84 7.06 7.06 0.00 0.00 0.00 0.00 09:30:44 ens3 0.82 0.59 0.19 0.15 0.00 0.00 0.00 0.00 09:30:44 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:02 lo 12.06 12.06 6.20 6.20 0.00 0.00 0.00 0.00 09:40:02 ens3 0.60 0.54 0.10 0.08 0.00 0.00 0.00 0.00 09:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:44 lo 10.18 10.18 6.63 6.63 0.00 0.00 0.00 0.00 09:50:44 ens3 0.70 0.71 0.12 0.12 0.00 0.00 0.00 0.00 09:50:44 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:36 lo 17.44 17.44 14.12 14.12 0.00 0.00 0.00 0.00 10:00:36 ens3 1.41 1.27 0.40 0.34 0.00 0.00 0.00 0.00 10:00:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:20 lo 31.06 31.06 15.57 15.57 0.00 0.00 0.00 0.00 10:10:20 ens3 1.61 1.75 0.38 0.35 0.00 0.00 0.00 0.00 10:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 17.37 17.37 8.61 8.61 0.00 0.00 0.00 0.00 10:20:01 ens3 1.06 0.97 0.26 1.19 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 16.00 16.00 9.65 9.65 0.00 0.00 0.00 0.00 Average: ens3 1.03 0.97 0.24 0.37 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-47146) 09/03/26 _x86_64_ (4 CPU) 09:11:11 LINUX RESTART (4 CPU) 09:20:12 CPU %user %nice %system %iowait %steal %idle 09:30:44 all 22.98 0.00 1.22 0.13 0.09 75.58 09:30:44 0 22.49 0.00 1.58 0.05 0.08 75.80 09:30:44 1 24.25 0.00 1.15 0.26 0.09 74.26 09:30:44 2 22.08 0.00 1.09 0.09 0.09 76.66 09:30:44 3 23.10 0.00 1.07 0.15 0.08 75.59 09:40:02 all 17.58 0.00 0.76 0.05 0.05 81.56 09:40:02 0 18.08 0.00 0.79 0.05 0.05 81.03 09:40:02 1 16.78 0.00 0.79 0.06 0.06 82.31 09:40:02 2 17.65 0.00 0.80 0.05 0.05 81.45 09:40:02 3 17.81 0.00 0.65 0.03 0.06 81.46 09:50:44 all 18.03 0.00 0.92 0.05 0.06 80.94 09:50:44 0 17.82 0.00 0.86 0.03 0.06 81.24 09:50:44 1 18.10 0.00 0.96 0.06 0.06 80.82 09:50:44 2 17.85 0.00 0.85 0.02 0.07 81.22 09:50:44 3 18.36 0.00 1.01 0.10 0.06 80.47 10:00:36 all 39.67 0.00 1.79 0.08 0.06 58.40 10:00:36 0 39.38 0.00 1.94 0.07 0.05 58.56 10:00:36 1 39.72 0.00 1.81 0.13 0.06 58.28 10:00:36 2 40.04 0.00 1.76 0.07 0.06 58.07 10:00:36 3 39.56 0.00 1.63 0.05 0.07 58.70 10:10:20 all 44.64 0.00 1.76 0.11 0.06 53.42 10:10:20 0 45.68 0.00 1.80 0.17 0.06 52.29 10:10:20 1 44.20 0.00 1.71 0.07 0.06 53.97 10:10:20 2 44.37 0.00 1.80 0.17 0.06 53.61 10:10:20 3 44.31 0.00 1.74 0.05 0.05 53.84 10:20:01 all 8.37 0.00 0.50 0.04 0.02 91.07 10:20:01 0 8.73 0.00 0.56 0.09 0.02 90.59 10:20:01 1 8.73 0.00 0.54 0.03 0.02 90.68 10:20:01 2 8.25 0.00 0.46 0.02 0.03 91.24 10:20:01 3 7.76 0.00 0.43 0.04 0.02 91.75 Average: all 25.17 0.00 1.16 0.08 0.06 73.53 Average: 0 25.30 0.00 1.26 0.07 0.06 73.31 Average: 1 25.27 0.00 1.16 0.10 0.06 73.41 Average: 2 24.99 0.00 1.12 0.07 0.06 73.76 Average: 3 25.13 0.00 1.09 0.07 0.06 73.65