---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2831 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: 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 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 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 634 10634 4 4719 15011 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:00:c5:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.255/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84469sec preferred_lft 84469sec inet6 fe80::f816:3eff:fe00:c5dc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:6d:67:a1:d3:c6 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-2831) 09/07/26 _x86_64_ (4 CPU) 07:16:29 LINUX RESTART (4 CPU) 07:20:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:01 29.62 2.61 23.64 3.37 170.92 3989.79 22461.66 07:40:02 23.20 0.33 19.15 3.73 9.97 1894.04 5317.14 Average: 26.33 1.44 21.34 3.55 88.45 2915.88 13676.43 07:20:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:01 10473468 13820076 2140480 13.07 147408 3342060 2531404 14.53 542772 4987412 7816 07:40:02 9853464 13608712 2347636 14.34 166124 3702488 2507084 14.39 648508 5459376 14048 Average: 10163466 13714394 2244058 13.71 156766 3522274 2519244 14.46 595640 5223394 10932 07:20:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:01 lo 0.59 0.59 0.06 0.06 0.00 0.00 0.00 0.00 07:30:01 ens3 182.66 134.36 974.18 17.20 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:02 lo 2038.76 2038.76 1944.37 1944.37 0.00 0.00 0.00 0.00 07:40:02 ens3 53.54 45.56 306.34 12.46 0.00 0.00 0.00 0.00 07:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1045.00 1045.00 996.37 996.37 0.00 0.00 0.00 0.00 Average: ens3 116.50 88.86 631.96 14.77 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-2831) 09/07/26 _x86_64_ (4 CPU) 07:16:29 LINUX RESTART (4 CPU) 07:20:29 CPU %user %nice %system %iowait %steal %idle 07:30:01 all 27.32 0.00 1.29 0.46 0.02 70.91 07:30:01 0 28.39 0.00 1.28 0.24 0.02 70.07 07:30:01 1 26.19 0.00 1.23 0.29 0.02 72.27 07:30:01 2 27.47 0.00 1.29 0.48 0.02 70.74 07:30:01 3 27.20 0.00 1.36 0.84 0.02 70.58 07:40:02 all 33.51 0.00 2.10 0.27 0.02 64.10 07:40:02 0 33.81 0.00 2.20 0.13 0.02 63.84 07:40:02 1 33.83 0.00 2.19 0.26 0.02 63.70 07:40:02 2 33.60 0.00 1.94 0.37 0.02 64.07 07:40:02 3 32.82 0.00 2.06 0.33 0.02 64.77 Average: all 30.49 0.00 1.70 0.36 0.02 67.42 Average: 0 31.17 0.00 1.75 0.18 0.02 66.88 Average: 1 30.11 0.00 1.72 0.27 0.02 67.88 Average: 2 30.61 0.00 1.62 0.42 0.02 67.32 Average: 3 30.08 0.00 1.72 0.58 0.02 67.60