---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12652 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 813 5061 4 2364 7128 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:d7:8e:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7265sec preferred_lft 7265sec inet6 fe80::f816:3eff:fed7:8e83/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12652) 05/12/26 _x86_64_ (2 CPU) 00:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:32 1.91 0.01 1.87 0.02 0.79 22.96 0.36 00:20:01 1.97 0.11 1.83 0.04 3.22 25.29 549.83 00:30:34 1.86 0.00 1.85 0.02 0.00 20.55 0.35 00:40:02 15.59 1.85 12.72 1.01 123.00 2018.54 633.45 00:50:01 10.99 1.25 8.45 1.28 109.81 1297.52 319.69 01:00:26 1.91 0.00 1.88 0.03 0.33 76.71 1.72 Average: 5.57 0.52 4.66 0.39 38.27 557.68 239.90 00:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:32 6116136 7513808 295100 3.63 54996 1538812 541544 5.90 467404 1309584 328 00:20:01 6129372 7488972 319812 3.93 55148 1500528 538760 5.87 465884 1271236 280 00:30:34 6138832 7498920 309744 3.81 55296 1500896 538760 5.87 465912 1271712 212 00:40:02 5476172 7407224 367160 4.51 90408 2007348 622980 6.79 574088 1797064 44660 00:50:01 5165884 7370632 390420 4.80 104444 2255708 678368 7.39 627880 2030592 1044 01:00:26 5143636 7364952 396000 4.87 104568 2272156 681468 7.42 633284 2047048 248 Average: 5695005 7440751 346373 4.26 77477 1845908 600313 6.54 539075 1621206 7795 00:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:32 ens3 0.27 0.08 0.09 0.04 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 0.14 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:34 ens3 0.49 0.14 0.17 0.10 0.00 0.00 0.00 0.00 00:40:02 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 00:40:02 ens3 40.31 25.59 278.32 6.55 0.00 0.00 0.00 0.00 00:50:01 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 00:50:01 ens3 50.01 37.69 44.24 7.82 0.00 0.00 0.00 0.00 01:00:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:26 ens3 39.97 37.53 9.41 5.43 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 21.71 16.82 52.81 3.29 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12652) 05/12/26 _x86_64_ (2 CPU) 00:00:16 CPU %user %nice %system %iowait %steal %idle 00:10:32 all 0.24 0.00 0.11 0.03 0.04 99.57 00:10:32 0 0.21 0.00 0.10 0.01 0.04 99.64 00:10:32 1 0.27 0.00 0.13 0.05 0.04 99.51 00:20:01 all 0.67 0.00 0.22 0.01 0.04 99.06 00:20:01 0 0.85 0.00 0.19 0.01 0.02 98.94 00:20:01 1 0.49 0.00 0.24 0.02 0.05 99.19 00:30:34 all 0.23 0.00 0.15 0.01 0.04 99.58 00:30:34 0 0.11 0.00 0.16 0.00 0.03 99.69 00:30:34 1 0.35 0.00 0.14 0.01 0.04 99.46 00:40:02 all 5.70 0.00 0.93 0.60 0.05 92.71 00:40:02 0 4.22 0.00 0.84 0.67 0.06 94.22 00:40:02 1 7.19 0.00 1.03 0.54 0.04 91.20 00:50:01 all 8.75 0.00 1.11 0.30 0.09 89.74 00:50:01 0 10.38 0.00 1.23 0.19 0.10 88.10 00:50:01 1 7.14 0.00 0.99 0.42 0.08 91.37 01:00:26 all 5.98 0.00 0.60 0.01 0.10 93.30 01:00:26 0 5.55 0.00 0.60 0.01 0.10 93.74 01:00:26 1 6.41 0.00 0.60 0.01 0.10 92.87 Average: all 3.56 0.00 0.51 0.16 0.06 95.71 Average: 0 3.51 0.00 0.51 0.14 0.06 95.77 Average: 1 3.60 0.00 0.51 0.17 0.06 95.65