---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-1700 5.15.0-173-generic #183-Ubuntu SMP Fri Mar 6 13:29:34 UTC 2026 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 16G 62G 21% / 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 660 6348 4 8980 14986 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:b8:be:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.0/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85022sec preferred_lft 85022sec inet6 fe80::f816:3eff:feb8:be2a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:94:fd:dd:a1:40 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 5.15.0-173-generic (prd-ubuntu2204-docker-v1-8c-8g-1700) 05/21/26 _x86_64_ (4 CPU) 05:18:01 LINUX RESTART (4 CPU) 05:20:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:01 37.69 2.71 33.55 1.43 364.93 14827.90 3595.36 05:40:14 247.71 1.18 235.34 11.19 31.06 14654.78 71964.81 Average: 144.55 1.93 136.22 6.39 195.06 14739.82 38380.49 05:20:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:01 7579884 13643656 2303512 14.07 199652 5857120 2596268 14.90 1196448 7046072 126724 05:40:14 6572676 15412740 511456 3.12 328896 8282608 1001624 5.75 2138920 6848884 24 Average: 7076280 14528198 1407484 8.60 264274 7069864 1798946 10.33 1667684 6947478 63374 05:20:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:01 lo 0.66 0.66 0.15 0.15 0.00 0.00 0.00 0.00 05:30:01 ens3 198.71 155.51 1658.65 31.22 0.00 0.00 0.00 0.00 05:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:14 lo 17.26 17.26 1.67 1.67 0.00 0.00 0.00 0.00 05:40:14 ens3 116.44 117.79 326.91 651.02 0.00 0.00 0.00 0.00 05:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.11 9.11 0.93 0.93 0.00 0.00 0.00 0.00 Average: ens3 156.85 136.32 981.08 346.56 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 5.15.0-173-generic (prd-ubuntu2204-docker-v1-8c-8g-1700) 05/21/26 _x86_64_ (4 CPU) 05:18:01 LINUX RESTART (4 CPU) 05:20:08 CPU %user %nice %system %iowait %steal %idle 05:30:01 all 36.12 0.00 2.63 0.25 0.09 60.91 05:30:01 0 36.43 0.00 2.46 0.24 0.09 60.77 05:30:01 1 37.16 0.00 2.70 0.17 0.09 59.88 05:30:01 2 35.69 0.00 2.39 0.41 0.09 61.42 05:30:01 3 35.19 0.00 2.98 0.15 0.09 61.59 05:40:14 all 38.65 0.00 3.27 0.25 0.10 57.73 05:40:14 0 42.14 0.00 3.23 0.16 0.11 54.36 05:40:14 1 33.45 0.00 3.34 0.22 0.10 62.89 05:40:14 2 37.42 0.00 3.46 0.43 0.10 58.59 05:40:14 3 41.59 0.00 3.04 0.18 0.11 55.08 Average: all 37.41 0.00 2.96 0.25 0.10 59.30 Average: 0 39.33 0.00 2.85 0.20 0.10 57.51 Average: 1 35.28 0.00 3.02 0.20 0.09 61.41 Average: 2 36.57 0.00 2.94 0.42 0.10 59.98 Average: 3 38.44 0.00 3.01 0.17 0.10 58.28