---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7300 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 629 10356 4 5002 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:58:92:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.149/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84928sec preferred_lft 84928sec inet6 fe80::f816:3eff:fe58:92cb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:6f:ec:74:6d:ab 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-7300) 09/11/26 _x86_64_ (4 CPU) 17:09:29 LINUX RESTART (4 CPU) 17:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 36.55 4.38 31.35 0.82 267.11 4602.69 1473.76 17:30:14 10.63 0.51 9.56 0.56 20.07 1818.86 1722.71 Average: 23.46 2.42 20.35 0.69 142.34 3196.69 1599.49 17:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 9516296 12617404 3344740 20.43 113512 3146048 3573924 20.51 489644 6018360 324 17:30:14 9968968 13556812 2401248 14.67 132696 3582044 2536820 14.56 658368 5333004 17456 Average: 9742632 13087108 2872994 17.55 123104 3364046 3055372 17.54 574006 5675682 8890 17:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.84 0.84 0.08 0.08 0.00 0.00 0.00 0.00 17:20:01 ens3 116.62 91.14 934.54 14.60 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:14 lo 195.50 195.50 185.31 185.31 0.00 0.00 0.00 0.00 17:30:14 ens3 53.25 42.20 469.01 4.61 0.00 0.00 0.00 0.00 17:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 99.15 99.15 93.63 93.63 0.00 0.00 0.00 0.00 Average: ens3 84.62 66.42 699.42 9.55 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-7300) 09/11/26 _x86_64_ (4 CPU) 17:09:29 LINUX RESTART (4 CPU) 17:10:00 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 49.04 0.00 1.46 0.35 0.03 49.12 17:20:01 0 51.64 0.00 1.27 0.49 0.03 46.57 17:20:01 1 51.10 0.00 1.49 0.16 0.03 47.22 17:20:01 2 46.85 0.00 1.47 0.43 0.03 51.22 17:20:01 3 46.56 0.00 1.61 0.33 0.03 51.48 17:30:14 all 55.82 0.00 1.05 0.08 0.04 43.01 17:30:14 0 66.85 0.00 1.09 0.07 0.04 31.95 17:30:14 1 62.55 0.00 0.96 0.04 0.04 36.40 17:30:14 2 46.58 0.00 1.10 0.14 0.03 52.15 17:30:14 3 47.32 0.00 1.04 0.06 0.04 51.54 Average: all 52.47 0.00 1.25 0.21 0.03 46.03 Average: 0 59.33 0.00 1.18 0.28 0.04 39.18 Average: 1 56.89 0.00 1.22 0.10 0.04 41.75 Average: 2 46.72 0.00 1.28 0.28 0.03 51.69 Average: 3 46.94 0.00 1.32 0.19 0.03 51.51