---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-511 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 9.2G 69G 12% / 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 639 11604 4 3745 15007 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:44:89:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82694sec preferred_lft 82694sec inet6 fe80::f816:3eff:fe44:8957/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:5c:33:ca:19:60 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-511) 01/15/26 _x86_64_ (4 CPU) 17:38:26 LINUX RESTART (4 CPU) 17:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:50:12 29.96 3.66 23.73 2.57 562.99 4477.20 19270.96 18:00:12 15.04 0.01 1.91 13.13 0.19 23.36 238062.58 18:10:01 2.18 0.00 2.18 0.00 0.00 25.50 0.00 18:20:12 1.92 0.00 1.92 0.00 0.01 22.14 0.00 18:30:12 1.74 0.00 1.74 0.00 0.00 20.05 0.00 18:40:01 5.25 0.10 4.19 0.96 11.73 139.31 706.60 Average: 9.42 0.64 6.00 2.78 97.52 797.96 43057.87 17:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:50:12 9923368 13394616 2564504 15.66 120580 3488200 2779784 15.96 798628 5265748 64 18:00:12 9918832 13395412 2563800 15.66 121280 3492752 2788544 16.01 803952 5265576 72 18:10:01 9918328 13395584 2563616 15.66 121908 3492760 2788800 16.01 804588 5266080 288 18:20:12 9918088 13396028 2563172 15.65 122416 3492896 2789056 16.01 805080 5266336 44 18:30:12 9917836 13396392 2562792 15.65 122876 3493024 2789184 16.01 805548 5266860 56 18:40:01 11920796 15400436 559272 3.42 126392 3490804 1047944 6.02 815112 3259412 27316 Average: 10252875 13729745 2229526 13.62 122575 3491739 2497219 14.33 805485 4931669 4640 17:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:50:12 lo 0.69 0.69 0.08 0.08 0.00 0.00 0.00 0.00 17:50:12 ens3 68.61 51.51 709.23 8.15 0.00 0.00 0.00 0.00 17:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:12 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:00:12 ens3 0.21 0.11 0.07 0.04 0.00 0.00 0.00 0.00 18:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:10:01 ens3 0.17 0.10 0.07 0.04 0.00 0.00 0.00 0.00 18:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:12 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:20:12 ens3 0.20 0.09 0.07 0.04 0.00 0.00 0.00 0.00 18:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:12 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:30:12 ens3 0.21 0.10 0.07 0.04 0.00 0.00 0.00 0.00 18:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:01 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 18:40:01 ens3 2.10 1.89 1.65 1.37 0.00 0.00 0.00 0.00 18:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.22 0.22 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 12.12 9.12 120.71 1.63 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-511) 01/15/26 _x86_64_ (4 CPU) 17:38:26 LINUX RESTART (4 CPU) 17:40:01 CPU %user %nice %system %iowait %steal %idle 17:50:12 all 29.09 0.00 1.14 0.16 0.07 69.53 17:50:12 0 29.90 0.00 0.92 0.10 0.06 69.01 17:50:12 1 26.90 0.00 1.11 0.16 0.07 71.76 17:50:12 2 30.74 0.00 1.32 0.17 0.08 67.70 17:50:12 3 28.84 0.00 1.22 0.22 0.06 69.67 18:00:12 all 0.14 0.00 0.07 0.02 0.05 99.72 18:00:12 0 0.14 0.00 0.06 0.01 0.05 99.74 18:00:12 1 0.15 0.00 0.08 0.00 0.05 99.72 18:00:12 2 0.13 0.00 0.07 0.02 0.04 99.75 18:00:12 3 0.15 0.00 0.06 0.07 0.05 99.67 18:10:01 all 0.16 0.00 0.06 0.01 0.05 99.72 18:10:01 0 0.12 0.00 0.05 0.00 0.05 99.77 18:10:01 1 0.14 0.00 0.09 0.02 0.05 99.71 18:10:01 2 0.13 0.00 0.07 0.00 0.04 99.76 18:10:01 3 0.24 0.00 0.05 0.01 0.04 99.66 18:20:12 all 0.32 0.00 0.06 0.01 0.04 99.57 18:20:12 0 0.04 0.00 0.04 0.00 0.03 99.89 18:20:12 1 0.13 0.00 0.06 0.02 0.03 99.76 18:20:12 2 1.01 0.00 0.09 0.00 0.06 98.84 18:20:12 3 0.09 0.00 0.06 0.00 0.04 99.80 18:30:12 all 0.11 0.00 0.06 0.01 0.04 99.79 18:30:12 0 0.03 0.00 0.03 0.02 0.02 99.90 18:30:12 1 0.15 0.00 0.09 0.01 0.04 99.71 18:30:12 2 0.19 0.00 0.08 0.00 0.06 99.66 18:30:12 3 0.05 0.00 0.03 0.00 0.03 99.89 18:40:01 all 1.59 0.00 0.17 0.04 0.04 98.16 18:40:01 0 1.29 0.00 0.15 0.03 0.03 98.51 18:40:01 1 3.71 0.00 0.21 0.02 0.04 96.02 18:40:01 2 0.83 0.00 0.19 0.09 0.05 98.84 18:40:01 3 0.53 0.00 0.14 0.01 0.04 99.28 Average: all 5.32 0.00 0.26 0.04 0.05 94.33 Average: 0 5.34 0.00 0.21 0.03 0.04 94.38 Average: 1 5.26 0.00 0.28 0.04 0.05 94.38 Average: 2 5.60 0.00 0.31 0.05 0.06 93.99 Average: 3 5.07 0.00 0.26 0.05 0.04 94.56