---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2017 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 671 10175 4 5142 14975 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:f2:9b:da brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83467sec preferred_lft 83467sec inet6 fe80::f816:3eff:fef2:9bda/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:97:29:e2:29:68 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-2017) 01/19/26 _x86_64_ (4 CPU) 16:13:51 LINUX RESTART (4 CPU) 16:20:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:30:05 1.19 0.01 1.18 0.01 0.08 16.48 18.35 16:40:05 65.52 15.53 36.72 13.27 355.58 2827.87 243851.40 16:50:05 11.15 0.83 9.25 1.08 40.64 2324.57 2735.83 17:00:05 28.40 0.61 23.70 4.09 22.33 4462.00 10479.91 Average: 26.56 4.25 17.71 4.61 104.66 2407.73 64272.38 16:20:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:30:05 13307536 15505604 506296 3.09 61480 2360068 1141188 6.55 425748 2375712 204 16:40:05 11798644 14882600 1080032 6.60 115124 3135652 1620628 9.30 659736 3566508 58428 16:50:05 9847028 13613668 2342644 14.31 142440 3727060 2477248 14.22 863356 5254992 41276 17:00:05 10475396 15379504 568668 3.47 175980 4748856 1094632 6.28 1170416 4214572 84 Average: 11357151 14845344 1124410 6.87 123756 3492909 1583424 9.09 779814 3852946 24998 16:20:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:30:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:30:05 ens3 0.25 0.08 0.05 0.02 0.00 0.00 0.00 0.00 16:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:05 lo 0.31 0.31 0.04 0.04 0.00 0.00 0.00 0.00 16:40:05 ens3 74.22 53.94 647.68 10.49 0.00 0.00 0.00 0.00 16:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:05 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 16:50:05 ens3 72.63 56.50 177.25 17.53 0.00 0.00 0.00 0.00 16:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:05 lo 1500.56 1500.56 1424.18 1424.18 0.00 0.00 0.00 0.00 17:00:05 ens3 95.40 77.61 407.39 98.53 0.00 0.00 0.00 0.00 17:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 375.59 375.59 356.09 356.09 0.00 0.00 0.00 0.00 Average: ens3 60.63 47.03 308.10 31.64 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-2017) 01/19/26 _x86_64_ (4 CPU) 16:13:51 LINUX RESTART (4 CPU) 16:20:05 CPU %user %nice %system %iowait %steal %idle 16:30:05 all 0.21 0.00 0.03 0.02 0.01 99.73 16:30:05 0 0.08 0.00 0.06 0.01 0.02 99.83 16:30:05 1 0.72 0.00 0.03 0.00 0.01 99.24 16:30:05 2 0.02 0.00 0.03 0.03 0.00 99.92 16:30:05 3 0.02 0.00 0.02 0.04 0.01 99.91 16:40:05 all 5.75 0.08 0.51 0.40 0.03 93.23 16:40:05 0 6.86 0.00 0.50 0.68 0.03 91.93 16:40:05 1 4.41 0.33 0.42 0.42 0.02 94.40 16:40:05 2 4.79 0.00 0.62 0.40 0.02 94.16 16:40:05 3 6.94 0.00 0.49 0.11 0.03 92.42 16:50:05 all 74.03 0.00 2.29 0.13 0.14 23.41 16:50:05 0 74.43 0.00 2.22 0.13 0.14 23.07 16:50:05 1 73.59 0.00 2.27 0.06 0.14 23.94 16:50:05 2 75.62 0.00 2.53 0.13 0.14 21.58 16:50:05 3 72.49 0.00 2.14 0.18 0.14 25.05 17:00:05 all 58.76 0.00 2.53 0.24 0.12 38.36 17:00:05 0 61.58 0.00 2.86 0.28 0.12 35.16 17:00:05 1 56.41 0.00 2.46 0.09 0.11 40.94 17:00:05 2 58.44 0.00 2.37 0.46 0.12 38.61 17:00:05 3 58.59 0.00 2.42 0.13 0.12 38.74 Average: all 34.62 0.02 1.34 0.20 0.07 63.75 Average: 0 35.68 0.00 1.41 0.28 0.08 62.56 Average: 1 33.69 0.08 1.29 0.14 0.07 64.73 Average: 2 34.64 0.00 1.39 0.26 0.07 63.65 Average: 3 34.47 0.00 1.27 0.11 0.07 64.07