---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14594 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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: 5599.99 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 nrip_save 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 12G 66G 16% / 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 637 8867 4 6484 15009 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:8f:a1:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.107/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82474sec preferred_lft 82474sec inet6 fe80::f816:3eff:fe8f:a106/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:51:84:2b:0f:a0 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-14594) 12/17/25 _x86_64_ (4 CPU) 13:53:04 LINUX RESTART (4 CPU) 14:00:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:30 13.38 0.01 1.42 11.94 0.18 17.55 238727.15 14:20:01 1.22 0.00 1.22 0.00 0.01 14.13 0.00 14:30:30 44.76 4.52 39.25 1.00 257.18 3908.60 3459.67 14:40:30 36.50 12.25 21.34 2.91 150.01 2336.81 4733.40 14:50:01 34.22 0.00 30.69 3.53 0.10 4750.71 7562.29 Average: 26.32 3.42 18.98 3.92 84.54 2211.67 51981.64 14:00:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:30 13659240 15506560 510344 3.12 55652 2017488 1123772 6.45 261356 2186344 12 14:20:01 13659828 15507460 509400 3.11 55952 2017500 1123772 6.45 261660 2187480 216 14:30:30 11316464 14323288 1640344 10.02 116676 3061912 2219592 12.74 578012 4152268 20876 14:40:30 8418428 12006296 3951376 24.13 140352 3557176 3941020 22.62 792412 6761756 17068 14:50:01 7543792 12194876 3757936 22.95 159768 4552548 3692088 21.19 1088540 7287768 37168 Average: 10919550 13907696 2073880 12.67 105680 3041325 2420049 13.89 596396 4515123 15068 14:00:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:30 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:10:30 ens3 0.42 0.16 0.13 0.08 0.00 0.00 0.00 0.00 14:10:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 14:20:01 ens3 0.25 0.09 0.05 0.02 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:30 lo 165.00 165.00 156.94 156.94 0.00 0.00 0.00 0.00 14:30:30 ens3 108.44 81.52 998.77 14.63 0.00 0.00 0.00 0.00 14:30:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:30 lo 1352.45 1352.45 1282.22 1282.22 0.00 0.00 0.00 0.00 14:40:30 ens3 54.67 44.15 61.60 14.30 0.00 0.00 0.00 0.00 14:40:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:01 lo 1357.59 1357.59 1292.02 1292.02 0.00 0.00 0.00 0.00 14:50:01 ens3 44.39 36.57 33.72 13.58 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 567.13 567.13 538.70 538.70 0.00 0.00 0.00 0.00 Average: ens3 42.53 33.15 229.71 8.59 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-14594) 12/17/25 _x86_64_ (4 CPU) 13:53:04 LINUX RESTART (4 CPU) 14:00:20 CPU %user %nice %system %iowait %steal %idle 14:10:30 all 0.23 0.00 0.03 0.03 0.02 99.69 14:10:30 0 0.02 0.00 0.03 0.02 0.03 99.90 14:10:30 1 0.82 0.00 0.02 0.00 0.02 99.14 14:10:30 2 0.03 0.00 0.02 0.02 0.02 99.91 14:10:30 3 0.03 0.00 0.05 0.08 0.02 99.83 14:20:01 all 0.22 0.00 0.03 0.01 0.02 99.73 14:20:01 0 0.01 0.00 0.03 0.01 0.01 99.94 14:20:01 1 0.03 0.00 0.03 0.00 0.02 99.92 14:20:01 2 0.16 0.00 0.02 0.02 0.02 99.77 14:20:01 3 0.68 0.00 0.03 0.00 0.02 99.27 14:30:30 all 11.62 0.00 0.72 0.29 0.04 87.33 14:30:30 0 14.47 0.00 0.89 0.18 0.04 84.42 14:30:30 1 11.88 0.00 0.71 0.44 0.04 86.92 14:30:30 2 10.07 0.00 0.70 0.45 0.04 88.74 14:30:30 3 10.05 0.00 0.58 0.09 0.03 89.25 14:40:30 all 68.68 0.07 2.39 0.07 0.08 28.71 14:40:30 0 66.70 0.11 2.17 0.09 0.08 30.85 14:40:30 1 70.81 0.06 2.23 0.06 0.08 26.77 14:40:30 2 68.60 0.09 2.73 0.11 0.08 28.38 14:40:30 3 68.60 0.00 2.44 0.03 0.08 28.85 14:50:01 all 61.94 0.00 2.54 0.12 0.08 35.31 14:50:01 0 63.77 0.00 2.67 0.18 0.09 33.29 14:50:01 1 60.70 0.00 2.78 0.12 0.08 36.32 14:50:01 2 62.47 0.00 2.67 0.09 0.08 34.70 14:50:01 3 60.83 0.00 2.05 0.12 0.08 36.92 Average: all 28.16 0.01 1.13 0.11 0.05 70.54 Average: 0 28.65 0.02 1.15 0.10 0.05 70.03 Average: 1 28.50 0.01 1.14 0.13 0.05 70.18 Average: 2 27.86 0.02 1.21 0.14 0.05 70.71 Average: 3 27.64 0.00 1.02 0.06 0.05 71.23