---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23031 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 8.0G 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 786 5015 4 2440 7155 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:60:ed:58 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.249/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 60842sec preferred_lft 60842sec inet6 fe80::f816:3eff:fe60:ed58/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23031) 06/04/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.70 0.01 1.67 0.01 0.81 19.81 432.47 00:20:22 1.61 0.10 1.48 0.03 2.95 20.95 408.29 00:30:01 1.69 0.00 1.68 0.02 0.00 18.84 895.15 00:40:01 24.52 3.02 19.25 2.26 226.04 3488.07 1445.45 00:50:12 1.73 0.00 1.72 0.00 0.00 61.41 0.05 01:00:01 1.82 0.00 1.79 0.02 0.35 98.76 0.27 Average: 5.51 0.52 4.60 0.39 38.39 618.03 527.66 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6121676 7513664 295040 3.63 52336 1535872 602200 6.56 472044 1305320 356 00:20:22 6129836 7489168 319452 3.93 52504 1502984 599872 6.53 470828 1272384 372 00:30:01 6132324 7492100 316516 3.89 52652 1503276 599936 6.53 470748 1272824 124 00:40:01 5128188 7399784 357168 4.39 103668 2319988 701104 7.64 600036 2095436 844 00:50:12 5108232 7391868 365060 4.49 103780 2331960 725800 7.91 608380 2107512 532 01:00:01 5074252 7380760 376152 4.63 103884 2354716 721392 7.86 612080 2130276 188 Average: 5615751 7444557 338231 4.16 78137 1924799 658384 7.17 539019 1697292 403 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.22 0.05 0.07 0.03 0.00 0.00 0.00 0.00 00:20:22 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:22 ens3 0.15 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.53 0.13 0.18 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 61.71 42.84 315.80 11.95 0.00 0.00 0.00 0.00 00:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:12 ens3 38.14 31.14 7.84 3.96 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 44.37 43.52 10.12 6.17 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 24.16 19.58 55.68 3.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23031) 06/04/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.24 0.00 0.10 0.01 0.02 99.63 00:10:01 0 0.04 0.00 0.12 0.01 0.03 99.80 00:10:01 1 0.43 0.00 0.08 0.01 0.02 99.46 00:20:22 all 0.59 0.00 0.21 0.01 0.02 99.17 00:20:22 0 0.75 0.00 0.19 0.01 0.02 99.04 00:20:22 1 0.42 0.00 0.23 0.01 0.02 99.31 00:30:01 all 0.27 0.00 0.16 0.01 0.02 99.55 00:30:01 0 0.36 0.00 0.15 0.01 0.02 99.46 00:30:01 1 0.17 0.00 0.17 0.01 0.02 99.64 00:40:01 all 11.55 0.00 1.65 0.46 0.04 86.31 00:40:01 0 7.87 0.00 1.48 0.26 0.05 90.34 00:40:01 1 15.21 0.00 1.82 0.65 0.04 82.28 00:50:12 all 6.21 0.00 0.49 0.01 0.06 93.24 00:50:12 0 7.51 0.00 0.56 0.01 0.07 91.85 00:50:12 1 4.91 0.00 0.41 0.01 0.05 94.61 01:00:01 all 7.98 0.00 0.62 0.01 0.06 91.32 01:00:01 0 9.22 0.00 0.67 0.01 0.06 90.03 01:00:01 1 6.74 0.00 0.57 0.01 0.06 92.61 Average: all 4.46 0.00 0.54 0.08 0.04 94.88 Average: 0 4.28 0.00 0.53 0.05 0.04 95.10 Average: 1 4.64 0.00 0.55 0.12 0.04 94.66