---> uname -a: Linux prd-ubuntu2204-builder-4c-4g-4988 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 8.4G 69G 11% / 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 562 12428 4 2998 15086 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:12:61:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.96/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 82744sec preferred_lft 82744sec inet6 fe80::f816:3eff:fe12:6197/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-builder-4c-4g-4988) 08/08/26 _x86_64_ (4 CPU) 08:50:23 LINUX RESTART (4 CPU) 09:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:14 1.59 0.00 1.57 0.01 0.04 22.68 186.58 09:20:14 1.40 0.00 1.40 0.00 0.01 19.43 0.03 09:30:35 1.94 0.00 1.94 0.00 0.00 30.17 0.08 09:40:35 2.10 0.00 2.09 0.00 0.00 24.43 0.05 09:50:29 1.66 0.00 1.66 0.00 0.00 19.56 0.00 Average: 1.74 0.00 1.73 0.00 0.01 23.31 37.76 09:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:14 12523028 15222816 749640 4.58 111012 2773932 1011608 5.81 342720 3162364 16 09:20:14 12523088 15224116 748308 4.57 111544 2774548 1012444 5.81 343356 3165608 24 09:30:35 12513452 15217276 754948 4.61 112612 2775980 1013508 5.82 344660 3188040 44 09:40:35 12501640 15206508 765704 4.68 113440 2776144 1013960 5.82 345508 3193784 8 09:50:29 12497132 15202772 769384 4.70 114064 2776264 1014392 5.82 346148 3200372 244 Average: 12511668 15214698 757597 4.63 112534 2775374 1013182 5.82 344478 3182034 67 09:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:14 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 09:10:14 ens3 0.65 0.48 0.52 0.44 0.00 0.00 0.00 0.00 09:20:14 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 09:20:14 ens3 0.59 0.49 0.52 0.39 0.00 0.00 0.00 0.00 09:30:35 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 09:30:35 ens3 1.22 1.47 1.39 1.38 0.00 0.00 0.00 0.00 09:40:35 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 09:40:35 ens3 0.49 0.39 0.26 0.34 0.00 0.00 0.00 0.00 09:50:29 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 09:50:29 ens3 0.61 0.38 0.29 0.39 0.00 0.00 0.00 0.00 Average: lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 0.72 0.65 0.60 0.59 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-builder-4c-4g-4988) 08/08/26 _x86_64_ (4 CPU) 08:50:23 LINUX RESTART (4 CPU) 09:00:02 CPU %user %nice %system %iowait %steal %idle 09:10:14 all 0.24 0.00 0.04 0.01 0.03 99.68 09:10:14 0 0.05 0.00 0.05 0.01 0.04 99.84 09:10:14 1 0.07 0.00 0.03 0.01 0.04 99.85 09:10:14 2 0.80 0.00 0.05 0.00 0.03 99.13 09:10:14 3 0.04 0.00 0.04 0.00 0.01 99.91 09:20:14 all 0.17 0.00 0.03 0.01 0.03 99.77 09:20:14 0 0.05 0.00 0.04 0.01 0.03 99.88 09:20:14 1 0.07 0.00 0.02 0.02 0.03 99.86 09:20:14 2 0.54 0.00 0.04 0.00 0.04 99.39 09:20:14 3 0.03 0.00 0.02 0.00 0.01 99.93 09:30:35 all 0.28 0.00 0.04 0.01 0.03 99.65 09:30:35 0 0.07 0.00 0.02 0.00 0.02 99.88 09:30:35 1 0.15 0.00 0.04 0.02 0.04 99.76 09:30:35 2 0.34 0.00 0.06 0.00 0.03 99.57 09:30:35 3 0.56 0.00 0.03 0.00 0.02 99.38 09:40:35 all 0.17 0.00 0.03 0.01 0.03 99.77 09:40:35 0 0.03 0.00 0.02 0.00 0.02 99.94 09:40:35 1 0.06 0.00 0.04 0.00 0.04 99.86 09:40:35 2 0.06 0.00 0.02 0.00 0.01 99.90 09:40:35 3 0.52 0.00 0.04 0.03 0.05 99.36 09:50:29 all 0.13 0.00 0.03 0.01 0.03 99.80 09:50:29 0 0.04 0.00 0.04 0.00 0.04 99.88 09:50:29 1 0.40 0.00 0.03 0.00 0.04 99.52 09:50:29 2 0.07 0.00 0.03 0.00 0.02 99.88 09:50:29 3 0.03 0.00 0.01 0.02 0.02 99.93 Average: all 0.20 0.00 0.03 0.01 0.03 99.73 Average: 0 0.05 0.00 0.03 0.00 0.03 99.89 Average: 1 0.15 0.00 0.03 0.01 0.03 99.77 Average: 2 0.36 0.00 0.04 0.00 0.03 99.57 Average: 3 0.24 0.00 0.03 0.01 0.02 99.70