---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2336 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 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 785 5167 4 2277 7155 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:aa:77:f6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.28/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81181sec preferred_lft 81181sec inet6 fe80::f816:3eff:feaa:77f6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2336) 04/13/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:06 1.65 0.01 1.51 0.12 0.81 18.83 1007.86 00:20:01 1.68 0.11 1.54 0.02 3.51 20.05 479.84 00:30:00 1.60 0.00 1.58 0.01 0.00 19.57 654.08 00:40:02 22.26 3.01 17.03 2.22 227.41 3127.86 526.45 00:50:01 1.45 0.00 1.43 0.02 0.00 54.51 1.12 01:00:02 1.73 0.00 1.69 0.04 0.35 106.16 1.35 Average: 5.07 0.52 4.14 0.41 38.81 559.60 445.96 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:06 6257888 7535288 284524 3.50 31256 1451380 532164 5.80 460712 1201280 184 00:20:01 6249592 7527640 292072 3.59 31584 1451640 531696 5.79 460388 1201652 264 00:30:00 6251900 7530604 289016 3.55 31764 1452096 531760 5.79 460728 1202160 124 00:40:02 5277836 7389824 381672 4.69 85292 2190696 670348 7.30 626188 1948724 324 00:50:01 5257448 7381148 390400 4.80 85444 2202300 693376 7.55 632888 1960488 944 01:00:02 5220764 7369916 401536 4.94 85624 2227540 716252 7.80 638332 1985776 760 Average: 5752571 7455737 339870 4.18 58494 1829275 612599 6.67 546539 1583347 433 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:06 ens3 0.47 0.18 0.12 0.55 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 0.34 0.07 0.09 0.04 0.00 0.00 0.00 0.00 00:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:00 ens3 0.37 0.09 0.11 0.06 0.00 0.00 0.00 0.00 00:40:02 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:02 ens3 61.82 42.26 298.47 11.34 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 38.73 32.14 7.92 4.10 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 44.92 44.43 10.10 6.30 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 24.47 19.87 52.97 3.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2336) 04/13/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:06 all 0.29 0.00 0.10 0.02 0.04 99.56 00:10:06 0 0.08 0.00 0.10 0.02 0.04 99.75 00:10:06 1 0.50 0.00 0.09 0.01 0.03 99.36 00:20:01 all 0.41 0.00 0.19 0.01 0.03 99.35 00:20:01 0 0.55 0.00 0.18 0.00 0.02 99.24 00:20:01 1 0.28 0.00 0.20 0.02 0.04 99.46 00:30:00 all 0.25 0.00 0.16 0.01 0.04 99.55 00:30:00 0 0.24 0.00 0.16 0.00 0.03 99.57 00:30:00 1 0.26 0.00 0.17 0.02 0.04 99.52 00:40:02 all 10.89 0.00 1.63 0.66 0.05 86.78 00:40:02 0 10.33 0.00 1.66 0.53 0.04 87.44 00:40:02 1 11.44 0.00 1.60 0.78 0.06 86.11 00:50:01 all 5.65 0.00 0.44 0.01 0.09 93.81 00:50:01 0 7.02 0.00 0.48 0.01 0.08 92.41 00:50:01 1 4.28 0.00 0.41 0.01 0.10 95.21 01:00:02 all 8.30 0.00 0.60 0.01 0.08 91.01 01:00:02 0 7.05 0.00 0.59 0.01 0.08 92.27 01:00:02 1 9.55 0.00 0.61 0.01 0.09 89.74 Average: all 4.29 0.00 0.52 0.12 0.05 95.01 Average: 0 4.21 0.00 0.53 0.10 0.05 95.12 Average: 1 4.38 0.00 0.51 0.14 0.06 94.90