---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29652 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 773 5179 4 2281 7168 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:1c:64:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.246/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81404sec preferred_lft 81404sec inet6 fe80::f816:3eff:fe1c:64eb/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-29652) 06/23/26 _x86_64_ (2 CPU) 00:40:27 LINUX RESTART (2 CPU) 00:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.58 0.01 1.55 0.03 0.05 18.84 442.38 01:10:08 1.67 0.25 1.40 0.03 30.61 66.43 1.21 01:20:08 1.31 0.01 1.30 0.01 1.07 22.95 0.29 01:30:01 1.33 0.00 1.31 0.01 0.00 16.67 440.69 01:40:08 1.33 0.00 1.33 0.00 0.00 16.18 0.00 01:50:07 1.83 0.40 1.43 0.00 15.86 48.42 0.00 02:00:01 23.24 2.63 18.30 2.31 213.89 3462.70 724.70 Average: 4.59 0.47 3.78 0.34 37.15 517.61 227.76 00:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6289036 7539740 280552 3.45 30824 1425488 530912 5.78 445856 1187844 124 01:10:08 6242256 7519960 299876 3.69 31192 1451764 728712 7.94 460400 1205724 2232 01:20:08 6257076 7535604 284244 3.50 31368 1452404 531184 5.79 455704 1206228 132 01:30:01 6247164 7526216 293572 3.61 31532 1452732 531280 5.79 455812 1206720 124 01:40:08 6246420 7526088 293692 3.61 31692 1453184 531344 5.79 456064 1207204 144 01:50:07 6229888 7524628 294840 3.63 31996 1467876 547152 5.96 480056 1220680 212 02:00:01 5170816 7376592 390316 4.80 87136 2278784 665472 7.25 624804 2042688 492 Average: 6097522 7506975 305299 3.75 39391 1568890 580865 6.33 482671 1325298 494 00:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.51 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:10:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 0.80 0.24 5.37 0.05 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.60 0.08 0.28 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.39 0.17 0.08 0.56 0.00 0.00 0.00 0.00 01:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 0.39 0.07 0.11 0.06 0.00 0.00 0.00 0.00 01:50:07 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:07 ens3 10.70 5.37 20.06 2.69 0.00 0.00 0.00 0.00 02:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 103.18 73.94 308.09 15.51 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 16.52 11.33 47.36 2.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29652) 06/23/26 _x86_64_ (2 CPU) 00:40:27 LINUX RESTART (2 CPU) 00:50:08 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.31 0.00 0.16 0.01 0.02 99.50 01:00:01 0 0.28 0.00 0.16 0.01 0.02 99.53 01:00:01 1 0.34 0.00 0.17 0.01 0.02 99.47 01:10:08 all 0.39 0.00 0.10 0.02 0.02 99.47 01:10:08 0 0.42 0.00 0.13 0.03 0.02 99.39 01:10:08 1 0.36 0.00 0.07 0.00 0.02 99.55 01:20:08 all 0.27 0.00 0.08 0.01 0.03 99.62 01:20:08 0 0.33 0.00 0.08 0.01 0.02 99.55 01:20:08 1 0.21 0.00 0.08 0.00 0.03 99.68 01:30:01 all 0.30 0.00 0.15 0.01 0.02 99.52 01:30:01 0 0.30 0.00 0.15 0.01 0.02 99.52 01:30:01 1 0.30 0.00 0.15 0.00 0.02 99.52 01:40:08 all 0.25 0.00 0.07 0.01 0.02 99.66 01:40:08 0 0.07 0.00 0.08 0.01 0.03 99.81 01:40:08 1 0.42 0.00 0.05 0.01 0.01 99.51 01:50:07 all 0.49 0.00 0.09 0.01 0.02 99.38 01:50:07 0 0.31 0.00 0.11 0.02 0.03 99.54 01:50:07 1 0.68 0.00 0.07 0.01 0.02 99.23 02:00:01 all 14.55 0.00 2.08 0.47 0.05 82.84 02:00:01 0 18.07 0.00 2.36 0.56 0.06 78.96 02:00:01 1 11.04 0.00 1.80 0.39 0.05 86.72 Average: all 2.34 0.00 0.39 0.08 0.03 97.16 Average: 0 2.80 0.00 0.43 0.09 0.03 96.64 Average: 1 1.89 0.00 0.34 0.06 0.02 97.69