---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34371 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 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 604 10440 4 4944 15042 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:94:3f:36 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84810sec preferred_lft 84810sec inet6 fe80::f816:3eff:fe94:3f36/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:d8:60:e9:07:20 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-34371) 01/12/26 _x86_64_ (4 CPU) 20:08:10 LINUX RESTART (4 CPU) 20:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:14 14.13 2.47 10.98 0.67 526.10 2981.15 21743.32 20:30:17 7.05 0.53 6.20 0.32 19.42 780.40 1134.01 Average: 10.61 1.51 8.61 0.50 274.28 1887.41 11500.77 20:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:14 9067688 12206280 3755888 22.94 114632 3192696 3916104 22.48 651208 6308344 568 20:30:17 10068348 13613748 2345024 14.32 132252 3554420 2465600 14.15 713432 5199996 221460 Average: 9568018 12910014 3050456 18.63 123442 3373558 3190852 18.32 682320 5754170 111014 20:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:14 lo 0.71 0.71 0.39 0.39 0.00 0.00 0.00 0.00 20:20:14 ens3 63.46 48.19 767.73 6.41 0.00 0.00 0.00 0.00 20:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:17 lo 91.52 91.52 86.84 86.84 0.00 0.00 0.00 0.00 20:30:17 ens3 32.49 21.62 406.40 3.08 0.00 0.00 0.00 0.00 20:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 45.84 45.84 43.35 43.35 0.00 0.00 0.00 0.00 Average: ens3 48.07 34.99 588.15 4.76 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-34371) 01/12/26 _x86_64_ (4 CPU) 20:08:10 LINUX RESTART (4 CPU) 20:10:04 CPU %user %nice %system %iowait %steal %idle 20:20:14 all 53.03 0.00 1.10 0.18 0.08 45.60 20:20:14 0 55.96 0.00 1.32 0.27 0.08 42.38 20:20:14 1 46.97 0.00 1.03 0.18 0.08 51.74 20:20:14 2 58.01 0.00 1.28 0.19 0.08 40.43 20:20:14 3 51.19 0.00 0.78 0.08 0.08 47.87 20:30:17 all 50.14 0.00 0.76 0.04 0.08 48.98 20:30:17 0 39.92 0.00 0.66 0.03 0.07 59.31 20:30:17 1 73.96 0.00 0.66 0.01 0.09 25.28 20:30:17 2 33.91 0.00 0.83 0.02 0.07 65.17 20:30:17 3 52.88 0.00 0.88 0.08 0.08 46.08 Average: all 51.60 0.00 0.93 0.11 0.08 47.28 Average: 0 48.00 0.00 0.99 0.15 0.07 50.79 Average: 1 60.38 0.00 0.85 0.09 0.08 38.59 Average: 2 46.01 0.00 1.06 0.11 0.08 52.75 Average: 3 52.03 0.00 0.83 0.08 0.08 46.98