---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9376 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 648 10307 4 5033 14997 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:0c:79:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84912sec preferred_lft 84912sec inet6 fe80::f816:3eff:fe0c:79f2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:f8:89:66:a5:6c 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-9376) 09/18/26 _x86_64_ (4 CPU) 20:09:19 LINUX RESTART (4 CPU) 20:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:01 35.49 3.84 17.58 14.07 244.45 4432.52 240496.38 20:30:02 8.06 0.52 7.11 0.43 20.74 1630.76 1072.72 Average: 21.74 2.18 12.33 7.23 132.34 3028.45 120512.20 20:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:01 9496768 12614512 3347980 20.45 113588 3162912 3645664 20.93 493260 6039484 428 20:30:02 10056844 13629836 2328900 14.22 131628 3571272 2519028 14.46 591248 5327100 12192 Average: 9776806 13122174 2838440 17.34 122608 3367092 3082346 17.69 542254 5683292 6310 20:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:01 lo 0.83 0.83 0.08 0.08 0.00 0.00 0.00 0.00 20:20:01 ens3 99.57 78.86 902.36 10.46 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:02 lo 98.75 98.75 93.66 93.66 0.00 0.00 0.00 0.00 20:30:02 ens3 44.40 35.49 464.97 4.03 0.00 0.00 0.00 0.00 20:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 49.90 49.90 46.98 46.98 0.00 0.00 0.00 0.00 Average: ens3 71.92 57.13 683.17 7.24 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-9376) 09/18/26 _x86_64_ (4 CPU) 20:09:19 LINUX RESTART (4 CPU) 20:10:02 CPU %user %nice %system %iowait %steal %idle 20:20:01 all 49.81 0.00 1.30 0.28 0.03 48.57 20:20:01 0 47.79 0.00 1.19 0.08 0.02 50.92 20:20:01 1 52.26 0.00 1.39 0.13 0.04 46.18 20:20:01 2 40.52 0.00 1.20 0.74 0.03 57.51 20:20:01 3 58.71 0.00 1.42 0.18 0.04 39.64 20:30:02 all 50.42 0.00 0.87 0.04 0.04 48.63 20:30:02 0 63.82 0.00 0.80 0.03 0.05 35.30 20:30:02 1 40.06 0.00 0.98 0.06 0.03 58.86 20:30:02 2 44.65 0.00 0.86 0.02 0.03 54.44 20:30:02 3 53.20 0.00 0.82 0.04 0.04 45.90 Average: all 50.12 0.00 1.08 0.16 0.03 48.60 Average: 0 55.82 0.00 0.99 0.05 0.04 43.09 Average: 1 46.13 0.00 1.19 0.10 0.03 52.55 Average: 2 42.59 0.00 1.03 0.38 0.03 55.97 Average: 3 55.95 0.00 1.12 0.11 0.04 42.78