---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10491 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 8.2G 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 751 4921 4 2560 7190 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:43:5d:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81649sec preferred_lft 81649sec inet6 fe80::f816:3eff:fe43:5dfb/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-10491) 05/03/26 _x86_64_ (2 CPU) 00:17:04 LINUX RESTART (2 CPU) 00:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:07 1.50 0.02 1.46 0.01 1.23 17.72 432.07 00:40:27 22.65 2.91 17.55 2.19 220.20 3192.72 868.08 00:50:01 1.24 0.00 1.23 0.01 0.00 15.66 0.88 01:00:17 1.88 0.25 1.61 0.02 30.17 74.73 0.39 01:10:27 1.56 0.00 1.54 0.01 1.04 253.01 0.10 01:20:01 15.64 0.01 1.58 14.06 0.17 376.09 111102.97 01:30:27 1.47 0.00 1.46 0.01 0.00 18.13 0.23 Average: 6.55 0.47 3.84 2.24 37.06 574.37 15293.03 00:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:07 6291720 7539588 280964 3.45 30696 1422832 530548 5.78 448232 1183336 180 00:40:27 5248144 7337360 434760 5.35 84264 2169272 673308 7.33 619644 1937912 696 00:50:01 5092380 7182040 590152 7.26 84400 2169616 827280 9.01 773788 1938408 152 01:00:17 5073452 7189596 582232 7.16 84680 2195768 1056904 11.51 806048 1956076 156 01:10:27 5052228 7242072 529104 6.51 84848 2268520 818568 8.92 758192 2028684 160 01:20:01 4751568 7046728 722692 8.89 85032 2372204 992224 10.81 932280 2132396 240 01:30:27 4741344 7037136 732176 9.00 85172 2372700 951648 10.37 890924 2133016 192 Average: 5178691 7224931 553154 6.80 77013 2138702 835783 9.10 747015 1901404 254 00:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:07 ens3 2.22 0.09 0.22 0.06 0.00 0.00 0.00 0.00 00:40:27 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 00:40:27 ens3 62.83 43.90 361.40 11.23 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 31.76 28.66 494.03 1.95 0.00 0.00 0.00 0.00 01:00:17 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:17 ens3 76.76 72.93 1239.10 4.80 0.00 0.00 0.00 0.00 01:10:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:27 ens3 27.05 25.72 455.60 1.74 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 33.00 30.40 524.41 2.06 0.00 0.00 0.00 0.00 01:30:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:27 ens3 7.50 6.87 118.92 0.50 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 34.54 29.84 455.48 3.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10491) 05/03/26 _x86_64_ (2 CPU) 00:17:04 LINUX RESTART (2 CPU) 00:20:02 CPU %user %nice %system %iowait %steal %idle 00:30:07 all 0.30 0.00 0.16 0.03 0.03 99.48 00:30:07 0 0.51 0.00 0.12 0.03 0.02 99.31 00:30:07 1 0.08 0.00 0.20 0.03 0.04 99.65 00:40:27 all 10.46 0.00 1.64 5.53 0.05 82.32 00:40:27 0 8.22 0.00 1.51 5.32 0.05 84.91 00:40:27 1 12.69 0.00 1.77 5.75 0.06 79.73 00:50:01 all 0.61 0.00 0.26 0.03 0.06 99.05 00:50:01 0 0.63 0.00 0.39 0.04 0.08 98.85 00:50:01 1 0.58 0.00 0.13 0.01 0.04 99.24 01:00:17 all 1.14 0.00 0.65 0.04 0.06 98.11 01:00:17 0 1.09 0.00 0.67 0.04 0.07 98.14 01:00:17 1 1.20 0.00 0.63 0.04 0.06 98.08 01:10:27 all 0.78 0.00 0.26 0.09 0.06 98.81 01:10:27 0 0.58 0.00 0.17 0.11 0.06 99.09 01:10:27 1 0.98 0.00 0.35 0.07 0.07 98.53 01:20:01 all 0.79 0.00 0.26 0.19 0.07 98.69 01:20:01 0 0.61 0.00 0.16 0.18 0.05 99.00 01:20:01 1 0.97 0.00 0.37 0.19 0.09 98.37 01:30:27 all 0.49 0.00 0.25 0.08 0.07 99.11 01:30:27 0 0.53 0.00 0.27 0.04 0.07 99.09 01:30:27 1 0.45 0.00 0.23 0.11 0.07 99.14 Average: all 2.12 0.00 0.50 0.88 0.06 96.44 Average: 0 1.77 0.00 0.48 0.84 0.06 96.86 Average: 1 2.47 0.00 0.53 0.91 0.06 96.03