---> uname -a: Linux prd-ubuntu2204-builder-4c-4g-14574 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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: 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 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 1020K 1.6G 1% /run /dev/vda1 78G 15G 64G 19% / 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 583 6553 4 8851 15063 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:3c:21:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.100/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85131sec preferred_lft 85131sec inet6 fe80::f816:3eff:fe3c:21b0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-builder-4c-4g-14574) 08/01/26 _x86_64_ (4 CPU) 05:19:21 LINUX RESTART (4 CPU) 05:20:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:01 48.11 3.32 42.87 1.91 188.58 16931.98 4088.73 05:40:04 229.77 0.66 220.62 8.48 26.10 14964.15 134839.30 Average: 139.86 1.98 132.65 5.23 106.51 15938.04 70130.01 05:20:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:01 7821044 13714780 2238296 13.67 199008 5687784 2296856 13.18 1138120 6875816 117696 05:40:04 6766164 15477996 453056 2.77 325392 8157492 709024 4.07 2079144 6737080 11276 Average: 7293604 14596388 1345676 8.22 262200 6922638 1502940 8.63 1608632 6806448 64486 05:20:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:01 lo 0.74 0.74 0.17 0.17 0.00 0.00 0.00 0.00 05:30:01 ens3 184.37 149.64 1725.89 33.09 0.00 0.00 0.00 0.00 05:40:04 lo 17.56 17.56 1.70 1.70 0.00 0.00 0.00 0.00 05:40:04 ens3 120.71 125.00 342.05 665.62 0.00 0.00 0.00 0.00 Average: lo 9.24 9.24 0.95 0.95 0.00 0.00 0.00 0.00 Average: ens3 152.22 137.19 1026.92 352.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-builder-4c-4g-14574) 08/01/26 _x86_64_ (4 CPU) 05:19:21 LINUX RESTART (4 CPU) 05:20:11 CPU %user %nice %system %iowait %steal %idle 05:30:01 all 36.43 0.00 2.84 0.51 0.08 60.14 05:30:01 0 37.44 0.00 3.08 0.31 0.08 59.10 05:30:01 1 36.54 0.00 2.84 0.54 0.08 60.00 05:30:01 2 35.80 0.00 3.05 0.38 0.08 60.69 05:30:01 3 35.95 0.00 2.40 0.80 0.08 60.76 05:40:04 all 38.41 0.00 3.29 0.36 0.09 57.85 05:40:04 0 37.07 0.00 3.14 0.65 0.09 59.05 05:40:04 1 35.34 0.00 3.05 0.19 0.08 61.34 05:40:04 2 43.31 0.00 3.92 0.42 0.09 52.25 05:40:04 3 37.93 0.00 3.06 0.19 0.09 58.74 Average: all 37.43 0.00 3.07 0.43 0.08 58.98 Average: 0 37.25 0.00 3.11 0.48 0.08 59.07 Average: 1 35.93 0.00 2.94 0.37 0.08 60.67 Average: 2 39.59 0.00 3.49 0.40 0.09 56.43 Average: 3 36.95 0.00 2.73 0.49 0.08 59.74