---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-47139 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 714 7248 4 8026 14931 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:b4:d4:44 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.254/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82145sec preferred_lft 82145sec inet6 fe80::f816:3eff:feb4:d444/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:8e:9f:fc:38:9d 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::348e:9fff:fefc:389d/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-47139) 09/03/26 _x86_64_ (4 CPU) 09:10:24 LINUX RESTART (4 CPU) 09:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 19.49 0.85 17.62 1.03 75.75 2093.25 2135.47 09:40:14 4.53 0.10 4.23 0.19 3.10 131.21 384.69 09:50:14 26.57 0.79 24.26 1.52 12.13 1987.85 3841.51 10:00:01 27.80 0.01 26.53 1.27 0.20 1564.62 1816.79 10:10:14 4.67 0.00 4.51 0.15 0.42 111.06 866.49 10:20:03 5.09 0.00 4.90 0.19 0.10 133.98 44.00 Average: 14.60 0.29 13.58 0.72 15.29 997.73 1511.51 09:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 2024140 10289944 5637860 34.43 232996 7869608 7035600 40.38 1966384 11658156 120 09:40:14 2792908 11067440 4859984 29.68 234368 7877020 5587468 32.07 1983040 10880844 108 09:50:14 2793520 10469940 5456212 33.32 255080 7253896 6852496 39.33 2156692 10693140 259156 10:00:01 3600508 11337756 4589636 28.03 259860 7309500 5376452 30.86 2219908 9828736 484 10:10:14 3559032 11308100 4619092 28.21 260516 7320628 5346140 30.69 2221180 9864868 28 10:20:03 3470088 11235088 4692212 28.66 261272 7335804 5425480 31.14 2222636 9946988 228 Average: 3040033 10951378 4975833 30.39 250682 7494409 5937273 34.08 2128307 10478789 43354 09:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 11.04 11.04 8.98 8.98 0.00 0.00 0.00 0.00 09:30:01 ens3 0.93 0.79 0.21 0.17 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 09:40:14 lo 13.23 13.23 6.48 6.48 0.00 0.00 0.00 0.00 09:40:14 ens3 0.68 0.63 0.13 0.11 0.00 0.00 0.00 0.00 09:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:14 lo 12.59 12.59 11.65 11.65 0.00 0.00 0.00 0.00 09:50:14 ens3 1.52 1.42 0.44 0.38 0.00 0.00 0.00 0.00 09:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 29.17 29.17 15.27 15.27 0.00 0.00 0.00 0.00 10:00:01 ens3 1.57 1.75 0.33 0.34 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 10:10:14 lo 13.53 13.53 6.59 6.59 0.00 0.00 0.00 0.00 10:10:14 ens3 0.74 0.67 0.12 0.78 0.00 0.00 0.00 0.00 10:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:03 lo 26.89 26.89 9.58 9.58 0.00 0.00 0.00 0.00 10:20:03 ens3 0.69 0.57 0.13 0.43 0.00 0.00 0.00 0.00 10:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 17.64 17.64 9.71 9.71 0.00 0.00 0.00 0.00 Average: ens3 1.02 0.97 0.23 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-47139) 09/03/26 _x86_64_ (4 CPU) 09:10:24 LINUX RESTART (4 CPU) 09:20:00 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 28.84 0.00 1.41 0.13 0.07 69.55 09:30:01 0 29.18 0.00 1.41 0.10 0.08 69.24 09:30:01 1 27.30 0.00 1.40 0.07 0.08 71.16 09:30:01 2 29.40 0.00 1.29 0.12 0.07 69.12 09:30:01 3 29.49 0.00 1.56 0.21 0.07 68.66 09:40:14 all 10.43 0.00 0.68 0.03 0.06 88.79 09:40:14 0 10.50 0.00 0.72 0.02 0.06 88.70 09:40:14 1 9.80 0.00 0.70 0.04 0.06 89.40 09:40:14 2 10.47 0.00 0.67 0.01 0.07 88.78 09:40:14 3 10.96 0.00 0.64 0.05 0.06 88.29 09:50:14 all 38.53 0.00 1.57 0.12 0.06 59.72 09:50:14 0 38.64 0.00 1.65 0.10 0.06 59.54 09:50:14 1 37.52 0.00 1.62 0.24 0.06 60.55 09:50:14 2 39.15 0.00 1.44 0.05 0.07 59.30 09:50:14 3 38.79 0.00 1.57 0.10 0.07 59.48 10:00:01 all 40.87 0.00 1.54 0.11 0.06 57.42 10:00:01 0 41.56 0.00 1.57 0.04 0.05 56.77 10:00:01 1 41.14 0.00 1.50 0.16 0.05 57.14 10:00:01 2 40.37 0.00 1.63 0.22 0.05 57.73 10:00:01 3 40.42 0.00 1.48 0.02 0.06 58.02 10:10:14 all 8.46 0.00 0.55 0.03 0.05 90.91 10:10:14 0 8.53 0.00 0.62 0.01 0.04 90.79 10:10:14 1 8.13 0.00 0.54 0.03 0.06 91.25 10:10:14 2 8.45 0.00 0.54 0.05 0.06 90.90 10:10:14 3 8.74 0.00 0.50 0.01 0.05 90.70 10:20:03 all 9.27 0.00 0.60 0.05 0.04 90.04 10:20:03 0 9.40 0.00 0.57 0.02 0.04 89.96 10:20:03 1 9.48 0.00 0.58 0.03 0.05 89.86 10:20:03 2 9.70 0.00 0.64 0.13 0.05 89.47 10:20:03 3 8.50 0.00 0.59 0.01 0.05 90.86 Average: all 22.60 0.00 1.06 0.08 0.06 76.21 Average: 0 22.83 0.00 1.09 0.05 0.06 75.98 Average: 1 22.09 0.00 1.05 0.09 0.06 76.71 Average: 2 22.79 0.00 1.03 0.10 0.06 76.02 Average: 3 22.68 0.00 1.05 0.07 0.06 76.14