---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1898 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: 5600.00 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 759 5190 4 2285 7182 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:5c:38:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82357sec preferred_lft 82357sec inet6 fe80::f816:3eff:fe5c:38d8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1898) 08/04/26 _x86_64_ (2 CPU) 00:39:35 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.56 0.04 1.51 0.02 1.46 26.95 219.37 01:00:06 1.43 0.01 1.39 0.03 0.05 18.05 649.34 01:10:06 1.13 0.00 1.12 0.02 0.00 14.17 1.20 01:20:06 1.22 0.00 1.21 0.02 0.01 15.08 1.20 01:30:06 1.98 0.25 1.70 0.03 30.97 78.81 437.01 01:40:01 13.82 1.64 11.23 0.96 118.75 2322.00 589.03 Average: 3.51 0.32 3.01 0.18 25.04 409.18 316.29 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6264720 7515952 304116 3.74 30612 1426452 538680 5.87 454940 1187672 200 01:00:06 6261772 7513596 306480 3.77 30848 1426792 538680 5.87 455360 1188244 212 01:10:06 6268940 7521280 298796 3.67 31032 1427112 539012 5.87 455952 1188752 188 01:20:06 6268700 7521580 298480 3.67 31252 1427436 539012 5.87 456020 1189288 240 01:30:06 6218864 7499172 320368 3.94 31640 1454092 739888 8.06 470388 1207576 196 01:40:01 5412528 7356292 423128 5.20 71880 2043080 643676 7.01 598820 1819672 49044 Average: 6115921 7487979 325228 4.00 37877 1534161 589825 6.42 481913 1296867 8347 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 2.48 0.16 0.40 0.12 0.00 0.00 0.00 0.00 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 1.00 0.15 0.21 0.10 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 1.71 0.24 6.26 0.63 0.00 0.00 0.00 0.00 01:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 0.58 0.11 0.17 0.07 0.00 0.00 0.00 0.00 01:30:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.89 0.48 3.30 0.07 0.00 0.00 0.00 0.00 01:40:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:40:01 ens3 38.57 25.44 280.90 6.22 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.48 4.39 48.14 1.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1898) 08/04/26 _x86_64_ (2 CPU) 00:39:35 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.39 0.00 0.20 0.03 0.03 99.35 00:50:01 0 0.22 0.00 0.21 0.03 0.03 99.51 00:50:01 1 0.57 0.00 0.19 0.02 0.03 99.20 01:00:06 all 0.31 0.00 0.18 0.01 0.03 99.48 01:00:06 0 0.20 0.00 0.19 0.01 0.03 99.58 01:00:06 1 0.42 0.00 0.17 0.01 0.02 99.37 01:10:06 all 0.23 0.00 0.07 0.01 0.02 99.67 01:10:06 0 0.33 0.00 0.06 0.01 0.02 99.58 01:10:06 1 0.12 0.00 0.08 0.01 0.03 99.77 01:20:06 all 0.22 0.00 0.07 0.01 0.02 99.68 01:20:06 0 0.13 0.00 0.07 0.00 0.02 99.78 01:20:06 1 0.32 0.00 0.07 0.02 0.02 99.57 01:30:06 all 0.40 0.00 0.18 0.02 0.02 99.38 01:30:06 0 0.37 0.00 0.19 0.03 0.02 99.39 01:30:06 1 0.42 0.00 0.18 0.02 0.02 99.36 01:40:01 all 6.33 0.00 0.92 0.33 0.03 92.39 01:40:01 0 5.76 0.00 0.77 0.49 0.04 92.95 01:40:01 1 6.90 0.00 1.07 0.17 0.03 91.83 Average: all 1.30 0.00 0.27 0.07 0.03 98.33 Average: 0 1.16 0.00 0.25 0.09 0.03 98.48 Average: 1 1.45 0.00 0.29 0.04 0.02 98.19