---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37889 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 772 5166 4 2296 7169 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:38:7a:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.215/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81933sec preferred_lft 81933sec inet6 fe80::f816:3eff:fe38:7aef/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-37889) 07/23/26 _x86_64_ (2 CPU) 00:39:51 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:13 8.27 3.47 4.74 0.06 411.07 3660.46 214.97 01:00:13 1.39 0.01 1.37 0.02 0.05 17.32 436.33 01:10:01 1.14 0.00 1.12 0.02 0.00 13.95 0.99 01:20:03 1.33 0.03 1.28 0.02 2.15 15.85 1.35 01:30:13 1.44 0.00 1.41 0.03 0.00 17.69 643.75 01:40:01 1.18 0.00 1.16 0.02 0.00 14.43 1.12 01:50:13 22.92 2.80 17.83 2.29 219.61 3465.63 528.35 Average: 5.46 0.92 4.18 0.36 92.08 1047.90 263.92 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:13 6254724 7528108 291796 3.59 30656 1448076 737076 8.03 460684 1200848 172 01:00:13 6257496 7531484 288340 3.55 30888 1448408 737256 8.03 460904 1201412 176 01:10:01 6265084 7539588 280264 3.45 31084 1448728 737456 8.03 461016 1201928 132 01:20:03 6254888 7530568 289264 3.56 31292 1449684 737456 8.03 464104 1202532 304 01:30:13 6250564 7526812 292980 3.60 31488 1450028 737552 8.03 464204 1203072 132 01:40:01 6250340 7527204 292548 3.60 31672 1450484 737684 8.03 464872 1203552 132 01:50:13 5156424 7378224 387812 4.77 87332 2293900 863816 9.41 626484 2057532 404 Average: 6098503 7508855 303286 3.73 39202 1569901 755471 8.23 486038 1324411 207 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:13 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:13 ens3 15.49 6.61 38.11 1.79 0.00 0.00 0.00 0.00 01:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:13 ens3 0.43 0.05 0.06 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.31 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:20:03 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.43 0.13 0.12 0.06 0.00 0.00 0.00 0.00 01:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:13 ens3 0.25 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.55 0.21 0.15 0.69 0.00 0.00 0.00 0.00 01:50:13 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:13 ens3 118.86 81.58 328.93 17.93 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 19.81 12.89 53.43 2.99 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37889) 07/23/26 _x86_64_ (2 CPU) 00:39:51 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:13 all 0.87 0.00 0.48 1.97 0.02 96.66 00:50:13 0 0.82 0.00 0.50 2.18 0.02 96.47 00:50:13 1 0.92 0.00 0.45 1.75 0.02 96.86 01:00:13 all 0.30 0.00 0.18 0.01 0.02 99.50 01:00:13 0 0.12 0.00 0.19 0.01 0.02 99.67 01:00:13 1 0.49 0.00 0.17 0.01 0.02 99.33 01:10:01 all 0.25 0.00 0.08 0.01 0.01 99.65 01:10:01 0 0.20 0.00 0.07 0.01 0.01 99.70 01:10:01 1 0.31 0.00 0.08 0.01 0.01 99.59 01:20:03 all 0.32 0.00 0.09 0.01 0.02 99.56 01:20:03 0 0.48 0.00 0.08 0.01 0.02 99.41 01:20:03 1 0.16 0.00 0.10 0.01 0.02 99.71 01:30:13 all 0.27 0.00 0.17 0.01 0.02 99.53 01:30:13 0 0.26 0.00 0.18 0.01 0.02 99.53 01:30:13 1 0.27 0.00 0.17 0.01 0.02 99.54 01:40:01 all 0.29 0.00 0.07 0.02 0.02 99.60 01:40:01 0 0.19 0.00 0.08 0.00 0.02 99.71 01:40:01 1 0.39 0.00 0.06 0.04 0.02 99.49 01:50:13 all 14.65 0.00 2.03 0.66 0.13 82.54 01:50:13 0 8.94 0.00 1.53 0.28 0.12 89.14 01:50:13 1 20.36 0.00 2.52 1.04 0.13 75.94 Average: all 2.46 0.00 0.45 0.39 0.03 96.67 Average: 0 1.60 0.00 0.38 0.36 0.03 97.63 Average: 1 3.32 0.00 0.51 0.42 0.03 95.71