---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8878 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 786 5168 4 2276 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:0a:58:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81230sec preferred_lft 81230sec inet6 fe80::f816:3eff:fe0a:5801/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8878) 04/28/26 _x86_64_ (2 CPU) 00:40:53 LINUX RESTART (2 CPU) 00:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:11 1.56 0.01 1.55 0.01 0.05 18.16 436.03 01:10:11 13.90 0.00 1.36 12.54 0.15 16.09 109177.11 01:20:03 1.33 0.00 1.33 0.00 0.01 15.48 0.12 01:30:11 1.53 0.00 1.52 0.02 0.00 18.25 645.23 01:40:01 2.39 0.73 1.65 0.01 55.77 107.84 0.20 01:50:11 21.72 2.58 16.93 2.21 209.79 3097.23 547.68 02:00:11 1.68 0.00 1.64 0.04 0.35 71.20 2.17 Average: 6.35 0.48 3.75 2.12 38.38 484.86 15832.61 00:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:11 6290656 7541724 278692 3.43 30756 1425920 525688 5.73 441876 1187560 172 01:10:11 6281924 7533552 286848 3.53 30940 1426284 526164 5.73 441176 1188080 216 01:20:03 6281924 7534056 286340 3.52 31108 1426616 526284 5.73 441668 1188580 180 01:30:11 6288512 7541144 279228 3.43 31272 1426948 526288 5.73 441384 1189072 192 01:40:01 6215044 7511436 307876 3.79 31776 1469740 748428 8.15 490956 1219660 284 01:50:11 5263924 7393460 377844 4.65 85124 2208328 670412 7.30 621572 1967232 416 02:00:11 5241652 7386472 384816 4.73 85280 2223436 673712 7.34 625872 1982408 512 Average: 5980519 7491692 314521 3.87 46608 1658182 599568 6.53 500643 1417513 282 00:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 0.52 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 0.57 0.05 1.81 0.03 0.00 0.00 0.00 0.00 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.49 0.07 0.13 0.05 0.00 0.00 0.00 0.00 01:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 0.28 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 10.37 5.25 23.50 3.27 0.00 0.00 0.00 0.00 01:50:11 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:11 ens3 71.62 52.33 281.85 10.01 0.00 0.00 0.00 0.00 02:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:11 ens3 46.36 43.25 10.17 5.80 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 18.75 14.55 45.99 2.76 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8878) 04/28/26 _x86_64_ (2 CPU) 00:40:53 LINUX RESTART (2 CPU) 00:50:11 CPU %user %nice %system %iowait %steal %idle 01:00:11 all 0.30 0.00 0.15 0.01 0.03 99.51 01:00:11 0 0.35 0.00 0.15 0.01 0.03 99.46 01:00:11 1 0.25 0.00 0.15 0.01 0.03 99.56 01:10:11 all 0.27 0.00 0.09 0.08 0.03 99.54 01:10:11 0 0.14 0.00 0.11 0.12 0.03 99.61 01:10:11 1 0.41 0.00 0.07 0.04 0.03 99.46 01:20:03 all 0.27 0.00 0.07 0.02 0.03 99.62 01:20:03 0 0.06 0.00 0.09 0.01 0.03 99.82 01:20:03 1 0.48 0.00 0.05 0.02 0.02 99.42 01:30:11 all 0.25 0.00 0.15 0.01 0.03 99.56 01:30:11 0 0.19 0.00 0.14 0.01 0.03 99.63 01:30:11 1 0.30 0.00 0.17 0.02 0.03 99.48 01:40:01 all 0.64 0.00 0.13 0.03 0.03 99.17 01:40:01 0 0.75 0.00 0.10 0.01 0.02 99.11 01:40:01 1 0.53 0.00 0.15 0.05 0.03 99.23 01:50:11 all 12.97 0.00 1.74 0.57 0.06 84.65 01:50:11 0 13.88 0.00 1.83 0.38 0.07 83.84 01:50:11 1 12.07 0.00 1.65 0.77 0.06 85.46 02:00:11 all 5.91 0.00 0.57 0.02 0.06 93.44 02:00:11 0 4.76 0.00 0.51 0.01 0.06 94.65 02:00:11 1 7.07 0.00 0.62 0.02 0.07 92.23 Average: all 2.96 0.00 0.42 0.11 0.04 96.48 Average: 0 2.90 0.00 0.42 0.08 0.04 96.56 Average: 1 3.03 0.00 0.41 0.13 0.04 96.39