---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5734 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 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 68G 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 682 10455 4 4851 14964 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:55:92:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.115/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84046sec preferred_lft 84046sec inet6 fe80::f816:3eff:fe55:92e6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:bd:59:cd:17:ef 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-5734) 01/29/26 _x86_64_ (4 CPU) 12:43:24 LINUX RESTART (4 CPU) 12:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:01 18.97 1.84 3.86 13.26 123.46 645.67 244486.16 13:10:08 11.28 0.49 9.72 1.06 17.10 2568.17 2849.07 13:20:08 31.83 0.62 27.28 3.93 22.37 4204.70 11900.39 Average: 20.66 0.98 13.64 6.04 53.90 2480.25 85482.96 12:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:01 11564268 14382308 1583492 9.67 110180 2889736 2114244 12.14 575588 3912900 99476 13:10:08 10140476 13731140 2227092 13.60 144928 3551316 2488604 14.28 769176 5059404 98988 13:20:08 10772552 15379556 571848 3.49 169376 4475676 1117648 6.42 1041532 4063932 16 Average: 10825765 14497668 1460811 8.92 141495 3638909 1906832 10.95 795432 4345412 66160 12:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:01 lo 0.18 0.18 0.01 0.01 0.00 0.00 0.00 0.00 13:00:01 ens3 39.36 30.91 487.51 5.30 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:08 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 13:10:08 ens3 58.07 46.36 137.76 16.08 0.00 0.00 0.00 0.00 13:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:08 lo 1510.47 1510.47 1432.75 1432.75 0.00 0.00 0.00 0.00 13:20:08 ens3 96.75 82.25 410.52 115.62 0.00 0.00 0.00 0.00 13:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 504.03 504.03 477.64 477.64 0.00 0.00 0.00 0.00 Average: ens3 64.80 53.23 343.92 45.71 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-5734) 01/29/26 _x86_64_ (4 CPU) 12:43:24 LINUX RESTART (4 CPU) 12:50:08 CPU %user %nice %system %iowait %steal %idle 13:00:01 all 5.83 0.00 0.28 0.07 0.03 93.79 13:00:01 0 5.31 0.00 0.21 0.12 0.03 94.33 13:00:01 1 5.98 0.00 0.33 0.08 0.04 93.57 13:00:01 2 6.10 0.00 0.27 0.03 0.04 93.56 13:00:01 3 5.94 0.00 0.30 0.03 0.03 93.70 13:10:08 all 74.31 0.00 2.31 0.07 0.14 23.17 13:10:08 0 75.11 0.00 2.11 0.04 0.14 22.61 13:10:08 1 74.01 0.00 2.42 0.08 0.14 23.36 13:10:08 2 74.04 0.00 2.49 0.10 0.14 23.23 13:10:08 3 74.10 0.00 2.24 0.05 0.14 23.47 13:20:08 all 53.95 0.00 2.36 0.13 0.13 43.42 13:20:08 0 56.43 0.00 2.36 0.08 0.13 41.00 13:20:08 1 52.11 0.00 2.07 0.17 0.13 45.53 13:20:08 2 54.86 0.00 2.51 0.13 0.13 42.38 13:20:08 3 52.42 0.00 2.50 0.16 0.13 44.79 Average: all 44.93 0.00 1.66 0.09 0.10 53.22 Average: 0 45.86 0.00 1.57 0.08 0.10 52.39 Average: 1 44.27 0.00 1.61 0.11 0.10 53.91 Average: 2 45.22 0.00 1.76 0.09 0.10 52.82 Average: 3 44.38 0.00 1.68 0.08 0.10 53.76