---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1661 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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): 2 On-line CPU(s) list: 0,1 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): 2 Stepping: 0 BogoMIPS: 5599.94 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: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: 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: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl 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 Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 769 5133 4 2340 7172 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 noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:c5:bf:f1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.169/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82199sec preferred_lft 82199sec inet6 fe80::f816:3eff:fec5:bff1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1661) 08/03/26 _x86_64_ (2 CPU) 01:56:03 LINUX RESTART (2 CPU) 02:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.40 0.03 1.37 0.01 1.26 16.46 0.85 02:20:01 14.53 0.26 1.71 12.56 31.18 77.77 109163.68 02:30:08 15.66 13.38 2.21 0.08 149.30 46.81 222.50 02:40:01 1.32 0.00 1.32 0.00 0.00 15.61 0.00 02:50:01 1.33 0.00 1.33 0.00 0.00 15.96 0.00 03:00:18 15.19 1.57 12.70 0.92 112.97 2240.39 443.10 Average: 8.32 2.57 3.49 2.26 49.81 411.61 18260.52 02:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6291868 7543580 276968 3.41 30672 1426640 529264 5.76 443660 1187776 124 02:20:01 6237100 7516248 303728 3.73 31064 1453316 730148 7.95 458164 1206052 240 02:30:08 6179084 7515472 295148 3.63 35280 1497972 730036 7.95 458688 1254316 180 02:40:01 6183372 7520212 290404 3.57 35432 1498264 731240 7.96 463620 1254760 124 02:50:01 6182112 7519580 291024 3.58 35604 1498712 731236 7.96 463660 1255264 264 03:00:18 5377336 7377544 392824 4.83 75592 2087236 839648 9.15 603428 1867072 44824 Average: 6075145 7498773 308349 3.79 40607 1577023 715262 7.79 481870 1337540 7626 02:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.77 0.04 0.08 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 1.17 0.27 7.32 0.05 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 0.30 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 6.57 4.01 4.68 3.62 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.29 0.07 0.07 0.03 0.00 0.00 0.00 0.00 03:00:18 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 03:00:18 ens3 39.42 25.54 270.74 9.57 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.23 5.09 48.29 2.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1661) 08/03/26 _x86_64_ (2 CPU) 01:56:03 LINUX RESTART (2 CPU) 02:00:08 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.28 0.00 0.08 0.01 0.02 99.61 02:10:01 0 0.09 0.00 0.10 0.01 0.03 99.78 02:10:01 1 0.47 0.00 0.06 0.01 0.02 99.44 02:20:01 all 0.39 0.00 0.12 0.04 0.03 99.42 02:20:01 0 0.59 0.00 0.11 0.01 0.03 99.27 02:20:01 1 0.20 0.00 0.14 0.06 0.03 99.57 02:30:08 all 0.27 0.18 0.23 0.13 0.03 99.17 02:30:08 0 0.46 0.02 0.16 0.05 0.02 99.29 02:30:08 1 0.08 0.33 0.30 0.20 0.03 99.06 02:40:01 all 0.46 0.00 0.10 0.01 0.03 99.40 02:40:01 0 0.37 0.00 0.10 0.01 0.03 99.48 02:40:01 1 0.55 0.00 0.10 0.00 0.04 99.31 02:50:01 all 0.25 0.00 0.08 0.01 0.03 99.63 02:50:01 0 0.32 0.00 0.05 0.00 0.02 99.60 02:50:01 1 0.19 0.00 0.10 0.01 0.04 99.66 03:00:18 all 6.08 0.00 0.99 0.32 0.04 92.58 03:00:18 0 8.85 0.00 1.22 0.32 0.04 89.56 03:00:18 1 3.30 0.00 0.75 0.31 0.04 95.59 Average: all 1.31 0.03 0.27 0.09 0.03 98.27 Average: 0 1.81 0.00 0.30 0.07 0.03 97.79 Average: 1 0.81 0.06 0.24 0.10 0.03 98.76