---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23311 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: 5600.00 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 9.7G 68G 13% / 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 630 11021 4 4336 15016 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:1c:5a:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.129/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84599sec preferred_lft 84599sec inet6 fe80::f816:3eff:fe1c:5afa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:59:58:c0:12:b2 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-23311) 01/09/26 _x86_64_ (4 CPU) 09:14:08 LINUX RESTART (4 CPU) 09:20:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:12 19.38 2.12 4.15 13.11 134.23 685.55 241453.86 09:40:34 13.27 0.48 11.79 1.00 16.65 2679.53 137.44 Average: 16.27 1.28 8.04 6.95 74.41 1700.08 118673.19 09:20:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:12 11625300 14630376 1333948 8.15 111712 3059820 2435884 13.98 675612 3729256 94660 09:40:34 9446848 13217664 2739340 16.73 146380 3714120 2906880 16.69 869064 5642548 23956 Average: 10536074 13924020 2036644 12.44 129046 3386970 2671382 15.33 772338 4685902 59308 09:20:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:12 lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 09:30:12 ens3 34.71 28.69 377.41 5.25 0.00 0.00 0.00 0.00 09:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:34 lo 1.36 1.36 0.14 0.14 0.00 0.00 0.00 0.00 09:40:34 ens3 65.14 53.61 135.39 17.43 0.00 0.00 0.00 0.00 09:40:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.82 0.82 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 50.19 41.37 254.27 11.45 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-23311) 01/09/26 _x86_64_ (4 CPU) 09:14:08 LINUX RESTART (4 CPU) 09:20:13 CPU %user %nice %system %iowait %steal %idle 09:30:12 all 6.09 0.00 0.27 0.29 0.02 93.33 09:30:12 0 6.42 0.00 0.30 0.72 0.02 92.54 09:30:12 1 5.64 0.00 0.35 0.32 0.03 93.66 09:30:12 2 6.14 0.00 0.21 0.03 0.02 93.60 09:30:12 3 6.16 0.00 0.21 0.09 0.02 93.52 09:40:34 all 73.71 0.00 2.24 0.56 0.14 23.35 09:40:34 0 72.68 0.00 2.26 0.52 0.14 24.40 09:40:34 1 75.32 0.00 2.14 0.71 0.15 21.69 09:40:34 2 74.55 0.00 2.47 0.70 0.14 22.14 09:40:34 3 72.27 0.00 2.09 0.31 0.14 25.19 Average: all 40.46 0.00 1.27 0.43 0.08 57.77 Average: 0 40.09 0.00 1.30 0.62 0.08 57.91 Average: 1 41.05 0.00 1.26 0.52 0.09 57.08 Average: 2 40.89 0.00 1.35 0.37 0.08 57.30 Average: 3 39.79 0.00 1.16 0.20 0.08 58.77