---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6783 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 672 10340 4 4976 14974 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:0e:4d:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84800sec preferred_lft 84800sec inet6 fe80::f816:3eff:fe0e:4d66/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:79:60:4f:5b:8a 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-6783) 02/01/26 _x86_64_ (4 CPU) 16:55:40 LINUX RESTART (4 CPU) 17:00:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:10:21 18.41 2.43 14.46 1.52 534.69 3567.60 6223.71 17:20:02 29.35 0.95 24.54 3.86 31.12 4684.86 2828.12 Average: 23.79 1.70 19.42 2.67 286.96 4117.23 4553.26 17:00:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:10:21 10306516 13862272 2095644 12.80 136880 3541248 2681844 15.39 747184 4933532 32592 17:20:02 10670684 15404804 544840 3.33 170012 4600240 1106460 6.35 1068784 4148888 244 Average: 10488600 14633538 1320242 8.06 153446 4070744 1894152 10.87 907984 4541210 16418 17:00:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:10:21 lo 1.43 1.43 0.15 0.15 0.00 0.00 0.00 0.00 17:10:21 ens3 99.90 76.47 703.53 19.62 0.00 0.00 0.00 0.00 17:10:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:02 lo 1539.42 1539.42 1461.23 1461.23 0.00 0.00 0.00 0.00 17:20:02 ens3 99.95 83.51 438.71 103.70 0.00 0.00 0.00 0.00 17:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 758.04 758.04 718.93 718.93 0.00 0.00 0.00 0.00 Average: ens3 99.92 79.93 573.25 60.99 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-6783) 02/01/26 _x86_64_ (4 CPU) 16:55:40 LINUX RESTART (4 CPU) 17:00:21 CPU %user %nice %system %iowait %steal %idle 17:10:21 all 72.49 0.00 2.49 0.11 0.10 24.82 17:10:21 0 73.76 0.00 2.85 0.13 0.10 23.15 17:10:21 1 74.01 0.00 2.34 0.14 0.10 23.42 17:10:21 2 70.99 0.00 2.69 0.10 0.10 26.12 17:10:21 3 71.18 0.00 2.09 0.06 0.10 26.57 17:20:02 all 59.33 0.00 2.43 0.08 0.09 38.07 17:20:02 0 58.62 0.00 2.41 0.10 0.09 38.78 17:20:02 1 61.02 0.00 2.51 0.11 0.09 36.27 17:20:02 2 58.36 0.00 2.36 0.06 0.08 39.14 17:20:02 3 59.34 0.00 2.45 0.05 0.08 38.07 Average: all 66.02 0.00 2.46 0.09 0.09 31.33 Average: 0 66.31 0.00 2.64 0.12 0.09 30.84 Average: 1 67.62 0.00 2.43 0.12 0.10 29.74 Average: 2 64.77 0.00 2.53 0.08 0.09 32.54 Average: 3 65.36 0.00 2.27 0.06 0.09 32.22