---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5002 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 722 10130 4 5135 14924 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:9e:f0:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.242/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82793sec preferred_lft 82793sec inet6 fe80::f816:3eff:fe9e:f09e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:d6:d0:0a:82:84 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-5002) 01/27/26 _x86_64_ (4 CPU) 11:35:19 LINUX RESTART (4 CPU) 11:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:03 6.12 0.42 5.22 0.48 402.15 660.00 16566.32 12:00:09 1.54 0.00 1.54 0.00 0.03 17.62 0.42 12:10:01 34.40 2.34 31.31 0.74 333.80 2474.54 6740.98 12:20:15 12.76 1.96 10.01 0.79 127.90 2455.35 35.41 12:30:20 27.10 0.81 22.13 4.17 24.24 3619.43 2291.44 Average: 16.31 1.10 13.97 1.24 176.56 1845.91 5093.08 11:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:03 13408020 15517868 488144 2.98 62640 2264412 1125208 6.46 399320 2293596 208 12:00:09 13407276 15517864 488152 2.98 63256 2264524 1125208 6.46 399940 2294032 12 12:10:01 12699284 15503340 463084 2.83 106140 2881092 969332 5.56 594348 2748808 64 12:20:15 10283420 13909872 2048036 12.51 136040 3606116 2556856 14.68 814112 4870484 44108 12:30:20 10425892 15321940 627868 3.83 175192 4741828 1104964 6.34 1160848 4266944 343156 Average: 12044778 15154177 823057 5.03 108654 3151594 1376314 7.90 673714 3294773 77510 11:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:03 lo 0.16 0.16 0.01 0.01 0.00 0.00 0.00 0.00 11:50:03 ens3 13.00 5.93 209.87 0.49 0.00 0.00 0.00 0.00 11:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:09 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:00:09 ens3 0.15 0.08 0.04 0.02 0.00 0.00 0.00 0.00 12:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 0.30 0.30 0.04 0.04 0.00 0.00 0.00 0.00 12:10:01 ens3 51.78 36.21 402.20 7.78 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:15 lo 1.16 1.16 0.12 0.12 0.00 0.00 0.00 0.00 12:20:15 ens3 85.42 66.27 522.68 16.17 0.00 0.00 0.00 0.00 12:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:20 lo 1455.31 1455.31 1386.28 1386.28 0.00 0.00 0.00 0.00 12:30:20 ens3 87.67 65.99 420.58 17.40 0.00 0.00 0.00 0.00 12:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 292.27 292.27 278.12 278.12 0.00 0.00 0.00 0.00 Average: ens3 47.74 35.02 311.42 8.41 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-5002) 01/27/26 _x86_64_ (4 CPU) 11:35:19 LINUX RESTART (4 CPU) 11:40:01 CPU %user %nice %system %iowait %steal %idle 11:50:03 all 0.56 0.00 0.24 0.19 0.02 98.98 11:50:03 0 0.39 0.00 0.28 0.04 0.01 99.27 11:50:03 1 0.37 0.00 0.21 0.41 0.01 99.00 11:50:03 2 1.15 0.00 0.17 0.23 0.03 98.42 11:50:03 3 0.35 0.00 0.30 0.10 0.02 99.23 12:00:09 all 0.12 0.00 0.03 0.03 0.02 99.80 12:00:09 0 0.03 0.00 0.03 0.03 0.01 99.89 12:00:09 1 0.05 0.00 0.04 0.06 0.02 99.82 12:00:09 2 0.38 0.00 0.03 0.01 0.01 99.56 12:00:09 3 0.02 0.00 0.02 0.00 0.01 99.95 12:10:01 all 2.76 0.00 0.36 0.26 0.02 96.60 12:10:01 0 3.65 0.00 0.40 0.09 0.02 95.83 12:10:01 1 3.77 0.00 0.47 0.50 0.03 95.24 12:10:01 2 2.03 0.00 0.26 0.37 0.02 97.32 12:10:01 3 1.58 0.00 0.31 0.06 0.01 98.03 12:20:15 all 59.77 0.00 1.90 0.10 0.11 38.13 12:20:15 0 57.96 0.00 1.87 0.07 0.11 40.00 12:20:15 1 61.03 0.00 2.29 0.10 0.11 36.47 12:20:15 2 60.02 0.00 1.66 0.13 0.11 38.08 12:20:15 3 60.07 0.00 1.77 0.09 0.11 37.96 12:30:20 all 67.99 0.00 2.68 0.14 0.11 29.08 12:30:20 0 66.72 0.00 2.49 0.15 0.11 30.53 12:30:20 1 66.88 0.00 2.58 0.06 0.11 30.37 12:30:20 2 71.67 0.00 2.62 0.08 0.11 25.52 12:30:20 3 66.69 0.00 3.03 0.27 0.11 29.91 Average: all 26.44 0.00 1.05 0.14 0.05 72.32 Average: 0 25.95 0.00 1.02 0.08 0.05 72.90 Average: 1 26.62 0.00 1.13 0.22 0.06 71.98 Average: 2 27.25 0.00 0.96 0.16 0.06 71.58 Average: 3 25.94 0.00 1.09 0.10 0.05 72.82