---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-52991 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: 5599.99 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: 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 8.2G 30G 22% / 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 787 4925 4 2520 7154 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:66:fd:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82753sec preferred_lft 82753sec inet6 fe80::f816:3eff:fe66:fdf3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-52991) 03/26/26 _x86_64_ (2 CPU) 01:46:22 LINUX RESTART (2 CPU) 01:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 6.84 0.91 5.31 0.62 72.97 879.01 459.74 02:10:03 14.61 0.01 1.24 13.36 0.20 16.84 106377.84 02:20:03 1.98 0.32 1.61 0.05 40.08 291.31 1.59 02:30:01 1.62 0.00 1.57 0.05 0.00 340.43 1.71 02:40:03 1.23 0.00 1.21 0.02 0.00 16.02 1.20 Average: 5.26 0.25 2.18 2.83 22.58 307.69 21464.80 01:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 5090400 7166704 605948 7.45 83952 2156972 839988 9.15 788460 1926452 152 02:10:03 4840524 6917628 854804 10.51 84172 2157548 871632 9.49 801840 1927228 216 02:20:03 5059484 7231268 540272 6.64 84552 2251120 813092 8.86 755784 2009792 232 02:30:01 4762664 7032120 737772 9.07 84764 2347216 996360 10.85 939400 2106108 292 02:40:03 4810268 7080300 689592 8.48 84916 2347632 952352 10.37 895464 2106676 252 Average: 4912668 7085604 685678 8.43 84471 2252098 894685 9.74 836190 2015251 229 01:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 57.79 49.90 558.36 6.70 0.00 0.00 0.00 0.00 02:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 88.42 84.50 1407.03 5.53 0.00 0.00 0.00 0.00 02:20:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 28.75 27.28 438.95 1.84 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 37.46 36.45 586.78 2.41 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 5.63 5.26 79.56 0.42 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 43.61 40.68 614.51 3.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-52991) 03/26/26 _x86_64_ (2 CPU) 01:46:22 LINUX RESTART (2 CPU) 01:50:03 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 3.04 0.00 0.80 0.13 0.04 95.99 02:00:01 0 3.70 0.00 0.96 0.08 0.05 95.22 02:00:01 1 2.38 0.00 0.65 0.17 0.04 96.76 02:10:03 all 1.07 0.00 0.59 0.03 0.05 98.25 02:10:03 0 1.02 0.00 0.64 0.01 0.05 98.28 02:10:03 1 1.13 0.00 0.55 0.05 0.05 98.22 02:20:03 all 0.83 0.00 0.30 0.02 0.04 98.81 02:20:03 0 1.05 0.00 0.45 0.04 0.05 98.41 02:20:03 1 0.60 0.00 0.15 0.01 0.03 99.21 02:30:01 all 0.91 0.00 0.36 0.02 0.04 98.67 02:30:01 0 1.17 0.00 0.52 0.02 0.05 98.24 02:30:01 1 0.65 0.00 0.20 0.02 0.03 99.11 02:40:03 all 0.47 0.00 0.18 0.03 0.05 99.27 02:40:03 0 0.43 0.00 0.27 0.02 0.09 99.19 02:40:03 1 0.50 0.00 0.09 0.03 0.02 99.36 Average: all 1.26 0.00 0.45 0.04 0.05 98.20 Average: 0 1.47 0.00 0.57 0.03 0.06 97.87 Average: 1 1.05 0.00 0.33 0.06 0.03 98.53