---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15307 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 11G 67G 14% / 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 658 10328 4 5001 14988 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:d6:94:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82404sec preferred_lft 82404sec inet6 fe80::f816:3eff:fed6:94ed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:74:54:27:bc:96 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-15307) 12/20/25 _x86_64_ (4 CPU) 09:28:34 LINUX RESTART (4 CPU) 09:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:03 13.05 1.10 11.10 0.85 624.97 2073.15 6552.24 09:50:01 1.63 0.01 1.63 0.00 0.04 18.84 0.43 10:00:01 14.11 0.00 1.55 12.55 0.47 17.38 240606.43 10:10:03 1.53 0.00 1.53 0.00 0.00 17.11 0.00 10:20:01 12.99 2.21 9.99 0.79 138.98 2386.72 1808.86 10:30:00 29.92 0.83 25.82 3.27 27.09 3419.30 6849.53 Average: 12.20 0.69 8.60 2.91 132.20 1321.43 42656.36 09:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:03 12879356 15560620 414556 2.53 99948 2772264 977992 5.61 513008 2657944 160 09:50:01 12879056 15560952 414276 2.53 100572 2772256 999428 5.74 513628 2658652 204 10:00:01 12874804 15562432 412728 2.52 101372 2777180 978024 5.61 519168 2659028 200 10:10:03 12874300 15562596 412532 2.52 101936 2777316 978024 5.61 519700 2659868 188 10:20:01 10292012 13722172 2237528 13.67 130148 3436864 2590472 14.87 727356 4984048 23424 10:30:00 8540952 12872992 3078552 18.80 169516 4219488 3622476 20.79 974676 6402112 1680 Average: 11723413 14806961 1161695 7.10 117249 3125895 1691069 9.71 627923 3670275 4309 09:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:03 lo 0.17 0.17 0.02 0.02 0.00 0.00 0.00 0.00 09:40:03 ens3 19.04 12.60 301.83 1.90 0.00 0.00 0.00 0.00 09:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:50:01 ens3 0.39 0.12 0.09 0.04 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:00:01 ens3 0.31 0.11 0.08 0.04 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 10:10:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:10:03 ens3 0.26 0.08 0.06 0.02 0.00 0.00 0.00 0.00 10:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 1.05 1.05 0.11 0.11 0.00 0.00 0.00 0.00 10:20:01 ens3 87.66 68.90 534.13 16.73 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 10:30:00 lo 1454.68 1454.68 1385.48 1385.48 0.00 0.00 0.00 0.00 10:30:00 ens3 83.87 64.81 375.65 18.03 0.00 0.00 0.00 0.00 10:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 242.55 242.55 230.79 230.79 0.00 0.00 0.00 0.00 Average: ens3 31.87 24.40 201.77 6.11 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-15307) 12/20/25 _x86_64_ (4 CPU) 09:28:34 LINUX RESTART (4 CPU) 09:30:01 CPU %user %nice %system %iowait %steal %idle 09:40:03 all 1.12 0.00 0.23 0.14 0.02 98.49 09:40:03 0 0.87 0.00 0.17 0.05 0.02 98.89 09:40:03 1 0.52 0.00 0.23 0.17 0.02 99.07 09:40:03 2 0.71 0.00 0.23 0.26 0.02 98.78 09:40:03 3 2.37 0.00 0.30 0.08 0.02 97.23 09:50:01 all 0.14 0.00 0.03 0.01 0.02 99.80 09:50:01 0 0.03 0.00 0.02 0.01 0.01 99.93 09:50:01 1 0.02 0.00 0.03 0.00 0.02 99.93 09:50:01 2 0.12 0.00 0.03 0.02 0.02 99.80 09:50:01 3 0.40 0.00 0.05 0.00 0.03 99.52 10:00:01 all 0.12 0.00 0.03 0.03 0.02 99.81 10:00:01 0 0.03 0.00 0.03 0.02 0.01 99.91 10:00:01 1 0.02 0.00 0.04 0.09 0.02 99.84 10:00:01 2 0.01 0.00 0.03 0.00 0.02 99.94 10:00:01 3 0.40 0.00 0.03 0.00 0.02 99.54 10:10:03 all 0.02 0.00 0.03 0.01 0.02 99.93 10:10:03 0 0.02 0.00 0.02 0.02 0.01 99.92 10:10:03 1 0.02 0.00 0.02 0.00 0.01 99.95 10:10:03 2 0.02 0.00 0.02 0.00 0.01 99.95 10:10:03 3 0.04 0.00 0.04 0.00 0.04 99.88 10:20:01 all 49.24 0.00 1.58 0.05 0.08 49.05 10:20:01 0 48.90 0.00 1.80 0.09 0.08 49.14 10:20:01 1 49.20 0.00 1.53 0.02 0.08 49.17 10:20:01 2 48.83 0.00 1.54 0.04 0.07 49.52 10:20:01 3 50.04 0.00 1.46 0.04 0.08 48.39 10:30:00 all 70.99 0.00 2.60 0.07 0.09 26.24 10:30:00 0 69.62 0.00 2.79 0.08 0.09 27.43 10:30:00 1 72.91 0.00 2.34 0.08 0.09 24.58 10:30:00 2 69.94 0.00 2.86 0.08 0.09 27.03 10:30:00 3 71.49 0.00 2.42 0.05 0.09 25.94 Average: all 20.21 0.00 0.75 0.05 0.04 78.96 Average: 0 19.84 0.00 0.80 0.05 0.04 79.28 Average: 1 20.40 0.00 0.70 0.06 0.04 78.80 Average: 2 19.86 0.00 0.78 0.07 0.04 79.25 Average: 3 20.72 0.00 0.71 0.03 0.05 78.49