---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10781 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 7.9G 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 771 5199 4 2267 7169 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:24:8b:c3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 13253sec preferred_lft 13253sec inet6 fe80::f816:3eff:fe24:8bc3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10781) 05/05/26 _x86_64_ (2 CPU) 00:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.73 0.02 1.70 0.02 0.83 20.16 220.15 00:20:01 1.70 0.11 1.57 0.03 3.05 22.32 485.37 00:30:01 1.63 0.00 1.60 0.03 0.00 18.50 0.85 00:40:01 22.52 3.01 17.25 2.26 226.18 3178.13 924.41 00:50:01 1.56 0.00 1.56 0.01 0.00 23.86 0.17 Average: 5.84 0.63 4.75 0.47 46.17 654.85 326.62 00:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6121188 7512808 296044 3.64 53480 1534388 539120 5.87 468820 1305048 280 00:20:01 6154808 7511196 297688 3.66 53624 1498928 537260 5.85 467432 1269544 128 00:30:01 6144016 7500896 307908 3.79 53772 1499256 537324 5.85 467468 1270020 128 00:40:01 5196356 7390404 370656 4.56 103008 2246372 635168 6.92 601680 2021256 784 00:50:01 5131348 7327268 433884 5.34 103096 2248236 673156 7.33 631080 2023208 316 Average: 5749543 7448514 341236 4.20 73396 1805436 584406 6.37 527296 1577815 327 00:00:12 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 0.23 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.16 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 0.50 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 63.66 44.61 303.04 11.84 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 12.56 9.59 72.32 0.98 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.47 10.93 75.38 2.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10781) 05/05/26 _x86_64_ (2 CPU) 00:00:12 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.21 0.00 0.10 0.01 0.03 99.66 00:10:01 0 0.37 0.00 0.08 0.01 0.02 99.51 00:10:01 1 0.05 0.00 0.11 0.01 0.04 99.80 00:20:01 all 0.58 0.00 0.20 0.01 0.03 99.18 00:20:01 0 0.50 0.00 0.24 0.02 0.04 99.21 00:20:01 1 0.65 0.00 0.17 0.01 0.02 99.15 00:30:01 all 0.26 0.00 0.15 0.01 0.03 99.55 00:30:01 0 0.26 0.00 0.15 0.01 0.03 99.55 00:30:01 1 0.26 0.00 0.15 0.01 0.03 99.55 00:40:01 all 10.59 0.01 1.65 0.50 0.05 87.20 00:40:01 0 10.70 0.00 1.60 0.44 0.06 87.21 00:40:01 1 10.48 0.02 1.69 0.57 0.05 87.18 00:50:01 all 0.86 0.00 0.19 0.01 0.07 98.87 00:50:01 0 0.63 0.00 0.14 0.01 0.07 99.15 00:50:01 1 1.09 0.00 0.24 0.01 0.08 98.58 Average: all 2.51 0.00 0.46 0.11 0.04 96.88 Average: 0 2.50 0.00 0.44 0.10 0.04 96.92 Average: 1 2.51 0.00 0.47 0.12 0.04 96.84