---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9801 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 795 5085 4 2358 7146 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:92:7c:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.142/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 6908sec preferred_lft 6908sec inet6 fe80::f816:3eff:fe92:7c5a/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-9801) 05/01/26 _x86_64_ (2 CPU) 00:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.66 0.02 1.63 0.02 0.81 20.37 0.19 00:20:02 1.75 0.11 1.62 0.03 3.05 23.01 139.55 00:30:02 1.79 0.00 1.77 0.02 0.00 20.00 0.25 00:40:01 23.00 3.01 17.77 2.23 226.35 3152.05 500.42 00:50:02 1.67 0.00 1.67 0.00 0.00 55.17 0.03 01:00:02 1.82 0.00 1.80 0.01 0.35 107.79 0.31 Average: 5.28 0.52 4.37 0.38 38.38 562.41 106.73 00:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6120772 7517404 291336 3.58 54444 1538168 549920 5.99 476436 1309408 388 00:20:02 6138268 7496488 312200 3.84 54548 1499600 546820 5.96 474840 1270728 268 00:30:02 6136056 7494868 313756 3.86 54676 1500060 546820 5.96 474972 1271184 376 00:40:01 5207596 7403160 357732 4.40 103776 2246908 647064 7.05 601996 2022012 848 00:50:02 5189408 7396356 364664 4.48 103908 2258276 662184 7.21 608964 2033524 1084 01:00:02 5147864 7380744 380208 4.68 103996 2284072 667136 7.27 613864 2059304 864 Average: 5656661 7448170 336649 4.14 79225 1887847 603324 6.57 541845 1661027 638 00:00:02 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 0.38 0.09 0.11 0.05 0.00 0.00 0.00 0.00 00:20:02 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:02 ens3 0.15 0.04 0.04 0.02 0.00 0.00 0.00 0.00 00:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:02 ens3 0.52 0.12 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 61.73 42.40 303.24 12.15 0.00 0.00 0.00 0.00 00:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 38.19 31.56 7.91 4.33 0.00 0.00 0.00 0.00 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 38.76 37.83 9.45 5.63 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 23.28 18.67 53.42 3.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9801) 05/01/26 _x86_64_ (2 CPU) 00:00:02 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.26 0.00 0.10 0.01 0.03 99.60 00:10:01 0 0.25 0.00 0.11 0.01 0.03 99.60 00:10:01 1 0.26 0.00 0.10 0.01 0.04 99.59 00:20:02 all 0.65 0.00 0.22 0.01 0.03 99.09 00:20:02 0 0.58 0.00 0.26 0.01 0.04 99.11 00:20:02 1 0.71 0.00 0.18 0.00 0.02 99.08 00:30:02 all 0.25 0.00 0.16 0.01 0.04 99.54 00:30:02 0 0.07 0.00 0.18 0.01 0.05 99.69 00:30:02 1 0.44 0.00 0.14 0.00 0.03 99.39 00:40:01 all 10.85 0.00 1.63 0.44 0.06 87.02 00:40:01 0 9.39 0.00 1.45 0.44 0.06 88.66 00:40:01 1 12.31 0.00 1.80 0.45 0.06 85.39 00:50:02 all 5.10 0.00 0.41 0.01 0.09 94.39 00:50:02 0 4.45 0.00 0.37 0.01 0.07 95.11 00:50:02 1 5.76 0.00 0.45 0.01 0.10 93.67 01:00:02 all 8.26 0.00 0.64 0.01 0.07 91.02 01:00:02 0 9.88 0.00 0.64 0.02 0.07 89.39 01:00:02 1 6.64 0.00 0.64 0.01 0.07 92.64 Average: all 4.22 0.00 0.53 0.08 0.05 95.12 Average: 0 4.09 0.00 0.50 0.08 0.05 95.27 Average: 1 4.35 0.00 0.55 0.08 0.05 94.97