---> uname -a: Linux prd-ubuntu2204-builder-4c-4g-5184 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: 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 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 610 6387 3 8991 15036 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:ef:68:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.254/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84860sec preferred_lft 84860sec inet6 fe80::f816:3eff:feef:68b2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-builder-4c-4g-5184) 08/09/26 _x86_64_ (4 CPU) 05:17:22 LINUX RESTART (4 CPU) 05:20:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:07 35.82 2.39 32.11 1.31 149.29 14117.14 4699.13 05:40:01 240.03 0.28 217.04 22.71 5.98 13399.26 295529.33 Average: 137.91 1.34 124.56 12.01 77.65 13758.26 150090.99 05:20:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:07 7738396 13656852 2297072 14.03 196612 5717492 2281444 13.10 1121172 6991120 14500 05:40:01 4866160 13614592 2316364 14.15 326248 8185600 2275756 13.06 1795316 8934380 39680 Average: 6302278 13635722 2306718 14.09 261430 6951546 2278600 13.08 1458244 7962750 27090 05:20:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:07 lo 0.71 0.71 0.19 0.19 0.00 0.00 0.00 0.00 05:30:07 ens3 168.26 128.10 1564.22 25.61 0.00 0.00 0.00 0.00 05:40:01 lo 0.28 0.28 0.03 0.03 0.00 0.00 0.00 0.00 05:40:01 ens3 53.70 45.84 329.21 11.93 0.00 0.00 0.00 0.00 Average: lo 0.49 0.49 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 110.99 86.98 946.81 18.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-builder-4c-4g-5184) 08/09/26 _x86_64_ (4 CPU) 05:17:22 LINUX RESTART (4 CPU) 05:20:12 CPU %user %nice %system %iowait %steal %idle 05:30:07 all 31.73 0.00 2.37 0.22 0.07 65.62 05:30:07 0 30.71 0.00 2.30 0.17 0.06 66.75 05:30:07 1 30.14 0.00 2.33 0.29 0.07 67.17 05:30:07 2 32.35 0.00 2.38 0.22 0.07 64.97 05:30:07 3 33.70 0.00 2.45 0.18 0.07 63.59 05:40:01 all 32.04 0.00 3.10 0.19 0.07 64.60 05:40:01 0 30.60 0.00 2.84 0.15 0.07 66.34 05:40:01 1 31.88 0.00 3.24 0.22 0.07 64.58 05:40:01 2 33.60 0.00 3.31 0.27 0.08 62.75 05:40:01 3 32.08 0.00 3.00 0.12 0.07 64.73 Average: all 31.88 0.00 2.73 0.20 0.07 65.11 Average: 0 30.66 0.00 2.57 0.16 0.07 66.54 Average: 1 31.01 0.00 2.79 0.26 0.07 65.87 Average: 2 32.98 0.00 2.84 0.25 0.07 63.86 Average: 3 32.89 0.00 2.73 0.15 0.07 64.16