---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2494 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 UTC 2026 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 Indirect target selection: 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 Tsa: 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 8.1G 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 877 4896 4 2461 7064 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:81:2f:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82335sec preferred_lft 82335sec inet6 fe80::f816:3eff:fe81:2fc4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2494) 08/06/26 _x86_64_ (2 CPU) 01:55:36 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:03 4.90 0.21 4.47 0.21 8.16 716.77 50.03 02:20:03 1.31 0.01 1.31 0.00 0.07 138.35 0.00 02:30:02 1.62 0.00 1.60 0.02 0.00 109.63 0.23 02:40:03 1.36 0.00 1.36 0.00 0.00 22.06 0.00 02:50:03 1.27 0.00 1.27 0.00 0.00 22.27 0.00 03:00:01 2.63 0.71 1.89 0.03 95.60 108.59 56.64 Average: 2.18 0.16 1.98 0.04 17.24 186.63 17.81 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:03 5188280 7379500 388292 4.77 87292 2263956 706692 7.70 617784 2037056 2312 02:20:03 5087768 7316072 451152 5.55 87436 2300620 766880 8.35 678164 2073872 1824 02:30:02 5048656 7303160 463564 5.70 87580 2326304 745648 8.12 681748 2099700 280 02:40:03 5048332 7305012 461616 5.68 87732 2328240 762984 8.31 682820 2101788 200 02:50:03 5045812 7304884 461708 5.68 87892 2330440 763048 8.31 682936 2104148 196 03:00:01 4995944 7293448 472236 5.81 88320 2367888 771452 8.40 693796 2131268 356 Average: 5069132 7317013 449761 5.53 87709 2319575 752784 8.20 672875 2091305 861 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:03 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 86.57 71.42 20.89 11.80 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 15.12 16.07 19.04 1.48 0.00 0.00 0.00 0.00 02:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:02 ens3 14.61 15.17 13.77 1.40 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 19.17 16.61 6.36 6.14 0.00 0.00 0.00 0.00 02:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 13.98 13.70 2.56 1.13 0.00 0.00 0.00 0.00 03:00:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 13.60 14.11 6.68 1.27 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 27.22 24.55 11.56 3.88 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2494) 08/06/26 _x86_64_ (2 CPU) 01:55:36 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:03 all 3.93 0.00 0.93 0.04 0.05 95.05 02:10:03 0 3.95 0.00 0.85 0.05 0.06 95.09 02:10:03 1 3.90 0.00 1.02 0.03 0.05 95.00 02:20:03 all 7.54 0.00 1.04 0.04 0.09 91.29 02:20:03 0 10.57 0.00 1.18 0.05 0.09 88.11 02:20:03 1 4.50 0.00 0.91 0.03 0.08 94.48 02:30:02 all 5.99 0.00 0.99 0.01 0.08 92.93 02:30:02 0 5.43 0.00 1.03 0.01 0.09 93.44 02:30:02 1 6.55 0.00 0.95 0.01 0.07 92.42 02:40:03 all 1.47 0.00 0.30 0.01 0.08 98.15 02:40:03 0 1.94 0.00 0.33 0.00 0.10 97.64 02:40:03 1 1.01 0.00 0.27 0.02 0.06 98.65 02:50:03 all 1.45 0.00 0.28 0.01 0.07 98.19 02:50:03 0 0.87 0.00 0.24 0.01 0.05 98.83 02:50:03 1 2.02 0.00 0.33 0.01 0.10 97.55 03:00:01 all 3.12 0.00 0.70 0.04 0.08 96.06 03:00:01 0 3.68 0.00 0.70 0.01 0.08 95.53 03:00:01 1 2.57 0.00 0.70 0.06 0.08 96.59 Average: all 3.91 0.00 0.71 0.02 0.08 95.28 Average: 0 4.41 0.00 0.72 0.02 0.08 94.77 Average: 1 3.42 0.00 0.70 0.02 0.07 95.79