---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37676 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: 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 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 8.0G 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 729 5231 4 2273 7211 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:15:01:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84163sec preferred_lft 84163sec inet6 fe80::f816:3eff:fe15:107/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37676) 08/15/26 _x86_64_ (2 CPU) 01:58:45 LINUX RESTART (2 CPU) 02:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:03 21.82 2.23 17.64 1.95 223.71 2920.88 727.26 02:20:00 1.26 0.01 1.24 0.01 0.07 14.99 1.01 02:30:10 1.44 0.00 1.43 0.01 0.00 17.48 1.06 Average: 8.10 0.74 6.71 0.65 73.76 973.58 240.39 02:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:03 5182784 7389868 377904 4.65 86040 2281344 633808 6.90 577988 2043572 280 02:20:00 5197176 7404764 362852 4.46 86192 2281692 629372 6.86 577756 2044072 156 02:30:10 5194856 7402960 364620 4.48 86340 2282044 629440 6.86 577688 2044580 156 Average: 5191605 7399197 368459 4.53 86191 2281693 630873 6.87 577811 2044075 197 02:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:03 lo 1.26 1.26 0.07 0.07 0.00 0.00 0.00 0.00 02:10:03 ens3 39.65 26.47 155.38 6.41 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 1.47 0.21 0.15 0.05 0.00 0.00 0.00 0.00 02:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:10 ens3 0.29 0.15 0.06 0.03 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 13.65 8.85 51.28 2.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37676) 08/15/26 _x86_64_ (2 CPU) 01:58:45 LINUX RESTART (2 CPU) 02:00:10 CPU %user %nice %system %iowait %steal %idle 02:10:03 all 8.21 0.00 1.29 4.12 0.07 86.31 02:10:03 0 6.43 0.00 1.17 6.07 0.07 86.26 02:10:03 1 9.98 0.00 1.42 2.17 0.06 86.37 02:20:00 all 0.37 0.00 0.14 0.05 0.07 99.37 02:20:00 0 0.30 0.00 0.22 0.01 0.10 99.37 02:20:00 1 0.43 0.00 0.07 0.09 0.03 99.37 02:30:10 all 0.38 0.00 0.21 0.04 0.06 99.30 02:30:10 0 0.36 0.00 0.22 0.03 0.07 99.32 02:30:10 1 0.40 0.00 0.21 0.04 0.06 99.29 Average: all 2.96 0.00 0.54 1.39 0.07 95.04 Average: 0 2.34 0.00 0.53 2.01 0.08 95.03 Average: 1 3.57 0.00 0.56 0.76 0.05 95.06