---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31419 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 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 772 5115 4 2354 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:38:0b:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82686sec preferred_lft 82686sec inet6 fe80::f816:3eff:fe38:b7f/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-31419) 06/29/26 _x86_64_ (2 CPU) 00:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:28 1.43 0.03 1.39 0.02 1.09 19.17 0.18 00:20:01 1.53 0.12 1.38 0.03 3.64 20.68 32.90 00:30:13 28.85 13.26 2.25 13.34 146.60 50.68 104465.63 00:40:28 1.92 0.25 1.64 0.03 31.36 93.60 0.53 Average: 8.53 3.46 1.67 3.40 46.31 46.47 26499.64 00:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:28 5231724 7404636 362572 4.46 86616 2247036 644444 7.02 584040 2019044 436 00:20:01 5193108 7367272 399920 4.92 86900 2247944 643600 7.01 584692 2020024 180 00:30:13 5145048 7376152 381940 4.70 89908 2293648 645152 7.03 586508 2068104 180 00:40:28 5097080 7361020 396812 4.88 90192 2326064 672584 7.33 598992 2091572 384 Average: 5166740 7377270 385311 4.74 88404 2278673 651445 7.10 588558 2049686 295 00:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:28 ens3 1.13 0.51 0.52 0.11 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 0.85 0.45 0.18 0.09 0.00 0.00 0.00 0.00 00:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:13 ens3 1.56 0.64 0.81 0.17 0.00 0.00 0.00 0.00 00:40:28 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:40:28 ens3 4.83 3.45 4.70 0.83 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.11 1.28 1.58 0.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31419) 06/29/26 _x86_64_ (2 CPU) 00:00:14 CPU %user %nice %system %iowait %steal %idle 00:10:28 all 9.15 0.00 0.99 0.02 0.07 89.77 00:10:28 0 7.01 0.00 0.76 0.01 0.07 92.15 00:10:28 1 11.34 0.00 1.22 0.03 0.08 87.34 00:20:01 all 9.31 0.00 1.15 0.14 0.08 89.32 00:20:01 0 12.00 0.00 1.36 0.01 0.09 86.55 00:20:01 1 6.69 0.00 0.95 0.27 0.08 92.01 00:30:13 all 9.27 0.18 1.36 0.21 0.26 88.72 00:30:13 0 10.37 0.16 1.54 0.15 0.35 87.42 00:30:13 1 8.18 0.21 1.18 0.27 0.16 89.99 00:40:28 all 7.18 0.00 0.90 0.02 0.07 91.84 00:40:28 0 10.39 0.00 1.28 0.01 0.08 88.23 00:40:28 1 4.06 0.00 0.53 0.02 0.06 95.34 Average: all 8.71 0.05 1.10 0.10 0.12 89.93 Average: 0 9.89 0.04 1.23 0.04 0.15 88.65 Average: 1 7.54 0.05 0.96 0.15 0.09 91.20