---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66588 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: 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: 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 798 5162 4 2270 7143 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:b1:c9:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.64/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83057sec preferred_lft 83057sec inet6 fe80::f816:3eff:feb1:c914/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66588) 04/05/26 _x86_64_ (2 CPU) 00:22:13 LINUX RESTART (2 CPU) 00:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:01 12.92 1.77 10.17 0.98 117.53 2053.52 206.20 00:50:00 10.97 1.58 8.12 1.27 150.01 1198.38 700.09 01:00:00 1.48 0.01 1.45 0.03 1.06 72.94 1.99 01:10:00 1.24 0.00 1.24 0.00 0.00 57.77 0.01 Average: 6.66 0.84 5.25 0.57 67.18 846.19 227.10 00:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:01 5578316 7391728 393724 4.84 68416 1921208 641752 6.99 583804 1703868 132 00:50:00 5269804 7386424 385100 4.74 84332 2196988 881388 9.60 609460 1955408 2420 01:00:00 5248104 7379708 391724 4.82 84496 2211720 658784 7.18 611656 1969984 296 01:10:00 5227536 7372716 398652 4.90 84660 2224956 690672 7.52 618812 1983376 544 Average: 5330940 7382644 392300 4.82 80476 2138718 718149 7.82 605933 1903159 848 00:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:01 lo 1.15 1.15 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 41.20 24.41 259.21 6.25 0.00 0.00 0.00 0.00 00:50:00 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 00:50:00 ens3 102.93 80.85 59.81 14.02 0.00 0.00 0.00 0.00 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 24.68 24.70 7.43 2.36 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 40.94 41.12 8.31 3.38 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 52.44 42.77 83.76 6.50 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66588) 04/05/26 _x86_64_ (2 CPU) 00:22:13 LINUX RESTART (2 CPU) 00:30:00 CPU %user %nice %system %iowait %steal %idle 00:40:01 all 5.44 0.00 0.85 0.36 0.04 93.32 00:40:01 0 4.96 0.00 0.80 0.35 0.04 93.85 00:40:01 1 5.92 0.00 0.89 0.37 0.04 92.78 00:50:00 all 8.83 0.00 1.46 0.27 0.06 89.38 00:50:00 0 9.77 0.00 1.58 0.25 0.06 88.34 00:50:00 1 7.90 0.00 1.34 0.28 0.06 90.43 01:00:00 all 4.87 0.00 0.82 0.01 0.09 94.21 01:00:00 0 1.94 0.00 0.43 0.02 0.08 97.52 01:00:00 1 7.80 0.00 1.22 0.01 0.09 90.88 01:10:00 all 4.70 0.00 0.60 0.01 0.09 94.61 01:10:00 0 5.86 0.00 0.60 0.01 0.09 93.45 01:10:00 1 3.54 0.00 0.60 0.01 0.09 95.76 Average: all 5.96 0.00 0.93 0.16 0.07 92.88 Average: 0 5.63 0.00 0.85 0.16 0.07 93.29 Average: 1 6.29 0.00 1.01 0.17 0.07 92.47