---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-57684 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 9.3G 69G 12% / 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 701 11677 4 3609 14944 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:60:59:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.158/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84724sec preferred_lft 84724sec inet6 fe80::f816:3eff:fe60:59b2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:ba:c2:8d:f4:15 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-57684) 09/23/26 _x86_64_ (4 CPU) 02:26:22 LINUX RESTART (4 CPU) 02:30:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:40:01 1.46 0.04 1.41 0.01 1.57 18.52 221.94 02:50:09 42.31 1.69 39.05 1.57 126.12 4455.82 935.11 Average: 22.27 0.88 20.58 0.80 65.02 2278.98 585.25 02:30:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:40:01 13739248 15519412 498840 3.05 53636 1954416 1160092 6.66 186116 2191572 208 02:50:09 12202148 15372624 587508 3.59 126988 3175644 1293392 7.42 388948 3397728 138152 Average: 12970698 15446018 543174 3.32 90312 2565030 1226742 7.04 287532 2794650 69180 02:30:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:40:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 02:40:01 ens3 0.54 0.19 0.16 0.09 0.00 0.00 0.00 0.00 02:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:09 lo 8.86 8.86 0.76 0.76 0.00 0.00 0.00 0.00 02:50:09 ens3 77.35 63.57 358.14 12.04 0.00 0.00 0.00 0.00 02:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.57 4.57 0.39 0.39 0.00 0.00 0.00 0.00 Average: ens3 39.67 32.48 182.52 6.17 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-57684) 09/23/26 _x86_64_ (4 CPU) 02:26:22 LINUX RESTART (4 CPU) 02:30:15 CPU %user %nice %system %iowait %steal %idle 02:40:01 all 0.34 0.00 0.03 0.02 0.00 99.62 02:40:01 0 0.02 0.00 0.03 0.00 0.00 99.95 02:40:01 1 1.23 0.00 0.04 0.03 0.00 98.71 02:40:01 2 0.03 0.00 0.03 0.02 0.00 99.92 02:40:01 3 0.06 0.00 0.03 0.01 0.00 99.90 02:50:09 all 10.26 0.00 0.71 0.39 0.00 88.63 02:50:09 0 5.68 0.00 0.54 0.36 0.00 93.42 02:50:09 1 15.39 0.00 0.85 0.30 0.01 83.46 02:50:09 2 10.76 0.00 0.76 0.81 0.00 87.67 02:50:09 3 9.25 0.00 0.68 0.10 0.00 89.97 Average: all 5.39 0.00 0.38 0.21 0.00 94.03 Average: 0 2.90 0.00 0.29 0.19 0.00 96.62 Average: 1 8.41 0.00 0.45 0.17 0.00 90.97 Average: 2 5.49 0.00 0.40 0.42 0.00 93.68 Average: 3 4.74 0.00 0.36 0.05 0.00 94.84