---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20238 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 761 5128 4 2352 7180 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:c0:94:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7298sec preferred_lft 7298sec inet6 fe80::f816:3eff:fec0:9407/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20238) 05/27/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:08 1.60 0.01 1.57 0.01 0.80 19.29 0.21 00:20:28 1.69 0.10 1.55 0.03 2.95 22.25 462.48 00:30:01 3.48 1.38 2.05 0.05 100.40 169.16 1.95 00:40:28 23.21 1.76 19.30 2.15 128.50 3108.73 852.65 00:50:08 1.56 0.00 1.54 0.02 0.11 28.48 1.13 01:00:01 1.73 0.00 1.70 0.04 0.00 26.01 1.46 Average: 5.69 0.55 4.75 0.40 39.03 584.34 228.93 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:08 6119360 7515476 293720 3.61 54248 1537808 544120 5.93 471508 1309088 328 00:20:28 6156612 7514628 294536 3.62 54404 1499500 541320 5.90 470100 1270712 220 00:30:01 5952660 7434128 368644 4.53 62892 1609120 620512 6.76 572984 1376224 54656 00:40:28 5127952 7397852 359724 4.42 105180 2316680 636448 6.93 597648 2093104 212 00:50:08 5120120 7393656 363976 4.48 105308 2320212 657068 7.16 610012 2096756 472 01:00:01 5111756 7387480 370060 4.55 105412 2322276 662456 7.22 614776 2098928 308 Average: 5598077 7440537 341777 4.20 81241 1934266 610321 6.65 556171 1707469 9366 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:08 ens3 0.30 0.06 0.09 0.04 0.00 0.00 0.00 0.00 00:20:28 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:20:28 ens3 0.15 0.04 0.04 0.01 0.00 0.00 0.00 0.00 00:30:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 17.67 11.37 72.76 5.60 0.00 0.00 0.00 0.00 00:40:28 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 00:40:28 ens3 29.10 21.05 232.39 4.01 0.00 0.00 0.00 0.00 00:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:08 ens3 11.88 9.83 2.21 3.30 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 2.21 1.90 0.35 0.74 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 10.23 7.39 52.50 2.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20238) 05/27/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:08 all 0.25 0.00 0.10 0.01 0.03 99.61 00:10:08 0 0.45 0.00 0.07 0.01 0.02 99.44 00:10:08 1 0.05 0.00 0.12 0.01 0.05 99.78 00:20:28 all 0.63 0.00 0.19 0.01 0.04 99.13 00:20:28 0 0.66 0.00 0.13 0.02 0.03 99.15 00:20:28 1 0.59 0.00 0.25 0.00 0.05 99.10 00:30:01 all 1.29 0.00 0.33 0.05 0.04 98.29 00:30:01 0 1.63 0.00 0.28 0.05 0.03 98.01 00:30:01 1 0.96 0.00 0.38 0.05 0.05 98.56 00:40:28 all 10.05 0.00 1.41 0.47 0.06 88.00 00:40:28 0 10.47 0.00 1.55 0.45 0.07 87.46 00:40:28 1 9.64 0.00 1.28 0.49 0.06 88.53 00:50:08 all 1.51 0.00 0.18 0.01 0.08 98.22 00:50:08 0 1.70 0.00 0.21 0.01 0.09 97.99 00:50:08 1 1.33 0.00 0.15 0.01 0.07 98.44 01:00:01 all 0.91 0.00 0.34 0.01 0.09 98.65 01:00:01 0 1.25 0.00 0.49 0.01 0.12 98.12 01:00:01 1 0.56 0.00 0.18 0.02 0.05 99.19 Average: all 2.50 0.00 0.43 0.10 0.06 96.91 Average: 0 2.75 0.00 0.47 0.10 0.06 96.63 Average: 1 2.25 0.00 0.40 0.10 0.05 97.20