---> uname -a: Linux prd-ubuntu2204-builder-4c-4g-5004 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 8.8G 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 551 12005 4 3432 15095 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:8e:51:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.135/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 82740sec preferred_lft 82740sec inet6 fe80::f816:3eff:fe8e:5197/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-builder-4c-4g-5004) 08/08/26 _x86_64_ (4 CPU) 10:04:21 LINUX RESTART (4 CPU) 10:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:20 4.48 1.17 3.28 0.03 88.92 480.88 1.73 10:30:12 2.88 0.02 2.84 0.03 0.77 462.87 8.51 10:40:12 2.15 0.01 2.12 0.02 0.48 295.97 47.68 10:50:12 1.40 0.00 1.40 0.00 0.00 116.25 0.00 11:00:20 2.13 0.01 2.11 0.01 0.34 129.22 1.71 Average: 2.62 0.25 2.35 0.02 18.53 297.28 11.85 10:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:20 11178672 13976444 1992300 12.17 142160 2806180 2087252 11.98 400392 4444352 44292 10:30:12 11025500 13907864 2060336 12.58 146228 2879276 2097568 12.04 431440 4543124 192 10:40:12 10938224 13903668 2064136 12.61 149468 2954624 2104572 12.08 458756 4596496 44 10:50:12 10894104 13890600 2077008 12.69 150348 2983524 2105020 12.08 462884 4629552 40 11:00:20 10848760 13878300 2089076 12.76 153252 3010292 2109196 12.11 471728 4658708 16 Average: 10977052 13911375 2056571 12.56 148291 2926779 2100722 12.06 445040 4574446 8917 10:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:20 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 10:20:20 ens3 20.47 17.20 157.32 3.64 0.00 0.00 0.00 0.00 10:30:12 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 10:30:12 ens3 9.03 7.05 54.65 1.89 0.00 0.00 0.00 0.00 10:40:12 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 10:40:12 ens3 7.42 6.05 15.48 2.31 0.00 0.00 0.00 0.00 10:50:12 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 10:50:12 ens3 1.70 1.46 5.33 0.74 0.00 0.00 0.00 0.00 11:00:20 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 11:00:20 ens3 3.91 2.93 1.45 1.48 0.00 0.00 0.00 0.00 Average: lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 8.57 6.99 47.37 2.02 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-builder-4c-4g-5004) 08/08/26 _x86_64_ (4 CPU) 10:04:21 LINUX RESTART (4 CPU) 10:10:02 CPU %user %nice %system %iowait %steal %idle 10:20:20 all 5.33 0.00 0.25 0.02 0.04 94.35 10:20:20 0 5.34 0.00 0.24 0.04 0.04 94.34 10:20:20 1 5.44 0.00 0.21 0.01 0.06 94.28 10:20:20 2 5.25 0.00 0.23 0.01 0.05 94.46 10:20:20 3 5.29 0.00 0.33 0.02 0.03 94.33 10:30:12 all 2.90 0.00 0.15 0.02 0.04 96.89 10:30:12 0 2.57 0.00 0.12 0.01 0.04 97.26 10:30:12 1 2.85 0.00 0.15 0.04 0.03 96.93 10:30:12 2 3.21 0.00 0.19 0.00 0.03 96.56 10:30:12 3 2.97 0.00 0.16 0.02 0.06 96.80 10:40:12 all 2.57 0.00 0.15 0.01 0.04 97.23 10:40:12 0 2.48 0.00 0.06 0.04 0.03 97.39 10:40:12 1 2.52 0.00 0.16 0.00 0.04 97.28 10:40:12 2 2.65 0.00 0.15 0.00 0.03 97.17 10:40:12 3 2.63 0.00 0.23 0.01 0.06 97.07 10:50:12 all 0.43 0.00 0.05 0.01 0.04 99.48 10:50:12 0 0.51 0.00 0.04 0.01 0.02 99.42 10:50:12 1 0.30 0.00 0.07 0.00 0.08 99.55 10:50:12 2 0.44 0.00 0.06 0.02 0.02 99.46 10:50:12 3 0.46 0.00 0.03 0.00 0.03 99.48 11:00:20 all 1.20 0.00 0.09 0.02 0.03 98.66 11:00:20 0 1.05 0.00 0.10 0.00 0.03 98.83 11:00:20 1 1.00 0.00 0.07 0.06 0.04 98.83 11:00:20 2 1.14 0.00 0.09 0.01 0.03 98.73 11:00:20 3 1.63 0.00 0.09 0.00 0.05 98.23 Average: all 2.50 0.00 0.14 0.02 0.04 97.31 Average: 0 2.40 0.00 0.11 0.02 0.03 97.43 Average: 1 2.44 0.00 0.13 0.02 0.05 97.36 Average: 2 2.55 0.00 0.15 0.01 0.03 97.27 Average: 3 2.61 0.00 0.17 0.01 0.04 97.17