---> uname -a: Linux prd-ubuntu2204-builder-4c-4g-12808 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 12G 66G 15% / 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 576 9130 4 6282 15070 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:8d:5d:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.73/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83318sec preferred_lft 83318sec inet6 fe80::f816:3eff:fe8d:5d41/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-builder-4c-4g-12808) 08/15/26 _x86_64_ (4 CPU) 17:35:51 LINUX RESTART (4 CPU) 17:40:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:50:12 7.72 0.11 6.84 0.78 3.08 1117.03 13692.30 18:00:30 1.45 0.00 1.45 0.00 0.04 16.91 0.41 18:10:10 1.43 0.00 1.43 0.00 0.00 16.44 0.00 18:20:10 68.49 3.72 51.26 13.52 226.13 4997.08 244307.76 Average: 19.88 0.97 15.32 3.60 57.78 1541.32 64946.78 17:40:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:50:12 13542752 15521264 497112 3.04 63664 2138840 841116 4.83 228920 2346544 36 18:00:30 13544708 15523840 494500 3.02 64292 2138824 841504 4.83 229552 2345440 56 18:10:10 13544520 15524372 494032 3.02 64868 2138964 841888 4.83 230128 2346448 64 18:20:10 9602784 13807436 2155140 13.16 130108 4198044 2532640 14.54 605520 5784168 955704 Average: 12558691 15094228 910196 5.56 80733 2653668 1264287 7.26 323530 3205650 238965 17:40:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:50:12 lo 0.17 0.17 0.02 0.02 0.00 0.00 0.00 0.00 17:50:12 ens3 26.71 11.03 424.05 1.01 0.00 0.00 0.00 0.00 18:00:30 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:00:30 ens3 0.35 0.21 0.13 0.25 0.00 0.00 0.00 0.00 18:10:10 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:10:10 ens3 0.43 0.24 0.16 0.30 0.00 0.00 0.00 0.00 18:20:10 lo 0.29 0.29 0.03 0.03 0.00 0.00 0.00 0.00 18:20:10 ens3 104.97 81.97 804.82 18.88 0.00 0.00 0.00 0.00 Average: lo 0.16 0.16 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 33.19 23.47 306.62 5.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-builder-4c-4g-12808) 08/15/26 _x86_64_ (4 CPU) 17:35:51 LINUX RESTART (4 CPU) 17:40:30 CPU %user %nice %system %iowait %steal %idle 17:50:12 all 0.56 0.00 0.28 0.16 0.02 98.98 17:50:12 0 0.39 0.00 0.39 0.07 0.01 99.14 17:50:12 1 0.50 0.00 0.22 0.39 0.01 98.88 17:50:12 2 0.87 0.00 0.29 0.04 0.03 98.77 17:50:12 3 0.48 0.00 0.23 0.14 0.01 99.14 18:00:30 all 0.13 0.00 0.02 0.01 0.01 99.83 18:00:30 0 0.02 0.00 0.02 0.00 0.01 99.95 18:00:30 1 0.02 0.00 0.01 0.00 0.00 99.96 18:00:30 2 0.47 0.00 0.03 0.00 0.03 99.46 18:00:30 3 0.01 0.00 0.02 0.03 0.01 99.93 18:10:10 all 0.16 0.00 0.02 0.01 0.01 99.80 18:10:10 0 0.02 0.00 0.01 0.00 0.01 99.97 18:10:10 1 0.01 0.00 0.02 0.03 0.01 99.93 18:10:10 2 0.60 0.00 0.03 0.00 0.03 99.34 18:10:10 3 0.02 0.00 0.01 0.00 0.01 99.95 18:20:10 all 21.13 0.00 1.04 0.31 0.05 77.47 18:20:10 0 23.58 0.00 1.00 0.11 0.04 75.27 18:20:10 1 19.35 0.00 0.81 0.41 0.05 79.39 18:20:10 2 23.09 0.00 1.16 0.57 0.05 75.13 18:20:10 3 18.52 0.00 1.19 0.17 0.04 80.07 Average: all 5.54 0.00 0.34 0.12 0.02 93.98 Average: 0 6.05 0.00 0.35 0.05 0.02 93.54 Average: 1 5.01 0.00 0.27 0.20 0.02 94.51 Average: 2 6.29 0.00 0.38 0.15 0.04 93.14 Average: 3 4.79 0.00 0.37 0.09 0.02 94.74