---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-13107 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 7.9G 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 745 5292 4 2193 7196 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:e9:5f:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.141/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81551sec preferred_lft 81551sec inet6 fe80::f816:3eff:fee9:5f40/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-13107) 05/13/26 _x86_64_ (2 CPU) 01:57:58 LINUX RESTART (2 CPU) 02:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.40 0.03 1.38 0.00 1.24 16.30 0.12 02:20:44 1.90 0.24 1.64 0.02 28.98 71.15 1.06 02:30:05 1.66 0.01 1.62 0.04 1.13 19.50 699.65 02:40:01 1.23 0.00 1.23 0.00 0.00 14.74 0.00 02:50:35 13.29 0.03 1.37 11.89 2.17 16.63 103352.31 03:00:45 1.43 0.00 1.41 0.01 0.00 17.84 642.62 03:10:01 1.16 0.00 1.16 0.00 0.00 14.12 0.00 Average: 3.25 0.05 1.40 1.80 5.09 24.88 15779.90 02:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6283524 7534996 285164 3.51 30612 1426688 527612 5.75 441664 1187340 160 02:20:44 6240132 7518320 301380 3.71 31028 1452644 722184 7.87 456128 1204948 156 02:30:05 6233972 7513040 306660 3.77 31232 1453280 527912 5.75 450948 1205476 212 02:40:01 6233972 7513504 306156 3.76 31392 1453608 527940 5.75 451104 1205932 164 02:50:35 6247896 7528660 290928 3.58 31572 1454624 527940 5.75 451856 1206572 128 03:00:45 6239340 7520744 298820 3.67 31736 1455080 529832 5.77 452136 1207064 124 03:10:01 6260788 7542680 276880 3.40 31896 1455404 530508 5.78 453512 1207544 200 Average: 6248518 7524563 295141 3.63 31353 1450190 556275 6.06 451050 1203554 163 02:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.58 0.04 0.18 0.01 0.00 0.00 0.00 0.00 02:20:44 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:44 ens3 0.68 0.24 2.94 0.03 0.00 0.00 0.00 0.00 02:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 1.26 0.04 13.53 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.50 0.06 0.96 0.03 0.00 0.00 0.00 0.00 02:50:35 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:35 ens3 0.26 0.07 0.07 0.03 0.00 0.00 0.00 0.00 03:00:45 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:45 ens3 0.29 0.08 0.10 0.05 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 0.28 0.17 0.07 0.52 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.69 0.10 2.45 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-13107) 05/13/26 _x86_64_ (2 CPU) 01:57:58 LINUX RESTART (2 CPU) 02:00:02 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.27 0.00 0.07 0.01 0.04 99.61 02:10:01 0 0.47 0.00 0.05 0.01 0.03 99.44 02:10:01 1 0.06 0.00 0.10 0.01 0.05 99.79 02:20:44 all 0.34 0.00 0.10 0.02 0.03 99.51 02:20:44 0 0.26 0.00 0.08 0.00 0.03 99.63 02:20:44 1 0.42 0.00 0.13 0.04 0.03 99.39 02:30:05 all 0.29 0.00 0.17 0.01 0.04 99.50 02:30:05 0 0.49 0.00 0.13 0.01 0.02 99.35 02:30:05 1 0.09 0.00 0.21 0.00 0.05 99.65 02:40:01 all 0.23 0.00 0.07 0.01 0.04 99.65 02:40:01 0 0.41 0.00 0.06 0.01 0.03 99.49 02:40:01 1 0.06 0.00 0.09 0.00 0.04 99.81 02:50:35 all 0.27 0.00 0.09 0.03 0.03 99.57 02:50:35 0 0.32 0.00 0.08 0.01 0.03 99.56 02:50:35 1 0.23 0.00 0.10 0.05 0.04 99.58 03:00:45 all 0.28 0.00 0.16 0.01 0.03 99.52 03:00:45 0 0.38 0.00 0.16 0.00 0.03 99.43 03:00:45 1 0.18 0.00 0.17 0.01 0.04 99.61 03:10:01 all 0.24 0.00 0.07 0.01 0.03 99.66 03:10:01 0 0.06 0.00 0.09 0.00 0.04 99.82 03:10:01 1 0.41 0.00 0.05 0.02 0.02 99.50 Average: all 0.27 0.00 0.10 0.01 0.03 99.57 Average: 0 0.34 0.00 0.09 0.01 0.03 99.53 Average: 1 0.21 0.00 0.12 0.02 0.04 99.62