---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-54343 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 755 5221 4 2253 7186 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:18:c7:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.228/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82806sec preferred_lft 82806sec inet6 fe80::f816:3eff:fe18:c713/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54343) 03/31/26 _x86_64_ (2 CPU) 00:36:11 LINUX RESTART (2 CPU) 00:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:25 3.05 0.04 2.97 0.04 2.46 619.11 2.42 01:00:01 2.17 0.34 1.80 0.03 40.96 85.41 1.03 01:10:17 14.67 0.01 1.56 13.10 0.91 131.07 104276.76 01:20:45 1.35 0.00 1.34 0.00 0.01 33.25 0.09 01:30:02 1.55 0.00 1.53 0.02 0.00 24.50 0.72 Average: 4.64 0.08 1.84 2.72 8.58 182.15 21477.30 00:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:25 5293152 7372216 399852 4.92 84116 2159776 648360 7.06 584880 1929128 668 01:00:01 5260324 7369332 402052 4.94 84436 2189284 856168 9.33 620844 1947784 152 01:10:17 5185560 7330024 441164 5.42 84600 2224320 704808 7.68 651068 1982728 168 01:20:45 5156868 7307100 464088 5.71 84756 2229824 726064 7.91 672648 1988420 124 01:30:02 5169404 7321636 449496 5.53 84904 2231656 692592 7.54 639328 1990264 288 Average: 5213062 7340062 431330 5.30 84562 2206972 725598 7.90 633754 1967665 280 00:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:25 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:50:25 ens3 41.36 32.77 222.75 5.85 0.00 0.00 0.00 0.00 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 9.34 8.66 66.96 0.94 0.00 0.00 0.00 0.00 01:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:17 ens3 12.47 11.63 152.55 1.14 0.00 0.00 0.00 0.00 01:20:45 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:45 ens3 15.88 15.35 135.72 1.85 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 13.96 13.66 150.81 1.22 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 18.79 16.56 146.63 2.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54343) 03/31/26 _x86_64_ (2 CPU) 00:36:11 LINUX RESTART (2 CPU) 00:40:10 CPU %user %nice %system %iowait %steal %idle 00:50:25 all 1.38 0.00 0.35 0.04 0.06 98.17 00:50:25 0 1.30 0.00 0.26 0.06 0.05 98.34 00:50:25 1 1.47 0.00 0.43 0.01 0.08 98.01 01:00:01 all 1.99 0.00 0.40 0.02 0.07 97.52 01:00:01 0 2.36 0.00 0.40 0.03 0.06 97.14 01:00:01 1 1.61 0.00 0.39 0.01 0.08 97.91 01:10:17 all 5.56 0.00 0.52 0.04 0.07 93.81 01:10:17 0 4.56 0.00 0.44 0.06 0.07 94.87 01:10:17 1 6.57 0.00 0.60 0.02 0.07 92.75 01:20:45 all 1.86 0.00 0.28 0.01 0.07 97.77 01:20:45 0 2.30 0.00 0.40 0.01 0.09 97.20 01:20:45 1 1.42 0.00 0.17 0.01 0.05 98.34 01:30:02 all 0.83 0.00 0.33 0.01 0.07 98.76 01:30:02 0 1.08 0.00 0.37 0.02 0.09 98.45 01:30:02 1 0.58 0.00 0.28 0.00 0.06 99.08 Average: all 2.34 0.00 0.37 0.02 0.07 97.19 Average: 0 2.34 0.00 0.37 0.04 0.07 97.18 Average: 1 2.35 0.00 0.37 0.01 0.07 97.20