---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3617 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 8.0G 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 755 5141 4 2346 7186 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:b5:0e:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84104sec preferred_lft 84104sec inet6 fe80::f816:3eff:feb5:e78/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3617) 08/09/26 _x86_64_ (2 CPU) 00:09:02 LINUX RESTART (2 CPU) 00:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:36 1.78 0.03 1.74 0.02 2.19 27.33 201.27 00:30:01 1.56 0.01 1.54 0.02 0.04 18.25 0.42 00:40:36 24.09 2.65 19.24 2.21 210.80 3270.39 499.27 Average: 9.45 0.93 7.74 0.78 73.86 1149.00 242.69 00:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:36 6192072 7523076 288040 3.54 34640 1493632 529448 5.77 454240 1248956 124 00:30:01 6201464 7532960 278088 3.42 34808 1493940 529512 5.77 454368 1249432 244 00:40:36 5191692 7449596 308560 3.79 89772 2320084 565684 6.16 541104 2085028 136 Average: 5861743 7501877 291563 3.59 53073 1769219 541548 5.90 483237 1527805 168 00:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:20:36 ens3 1.82 0.08 0.24 0.06 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.64 0.13 0.17 0.09 0.00 0.00 0.00 0.00 00:40:36 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 00:40:36 ens3 104.01 70.39 307.04 16.68 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 36.89 24.48 106.60 5.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3617) 08/09/26 _x86_64_ (2 CPU) 00:09:02 LINUX RESTART (2 CPU) 00:10:04 CPU %user %nice %system %iowait %steal %idle 00:20:36 all 0.26 0.00 0.13 0.01 0.02 99.58 00:20:36 0 0.27 0.00 0.13 0.02 0.02 99.57 00:20:36 1 0.25 0.00 0.13 0.01 0.02 99.59 00:30:01 all 0.27 0.00 0.18 0.01 0.02 99.52 00:30:01 0 0.45 0.00 0.16 0.01 0.02 99.36 00:30:01 1 0.09 0.00 0.20 0.01 0.03 99.67 00:40:36 all 11.46 0.00 1.78 0.66 0.05 86.06 00:40:36 0 11.03 0.00 1.59 0.59 0.04 86.75 00:40:36 1 11.89 0.00 1.97 0.72 0.05 85.36 Average: all 4.15 0.00 0.72 0.23 0.03 94.87 Average: 0 4.06 0.00 0.64 0.21 0.03 95.06 Average: 1 4.24 0.00 0.79 0.26 0.03 94.68