---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38445 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 8.2G 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 758 5002 4 2481 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:c2:1f:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83814sec preferred_lft 83814sec inet6 fe80::f816:3eff:fec2:1f5b/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-38445) 08/18/26 _x86_64_ (2 CPU) 00:49:49 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:14 30.62 6.02 22.25 2.35 585.99 5806.53 612.69 01:10:14 1.28 0.01 1.27 0.01 0.05 23.79 0.69 01:20:14 15.47 0.00 1.33 14.13 0.16 19.92 106397.45 01:30:13 2.53 0.71 1.79 0.03 95.19 80.39 56.40 Average: 12.57 1.71 6.74 4.12 172.57 1505.77 26627.42 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:14 5221008 7403316 364836 4.49 86696 2255984 611888 6.66 578932 2028788 196 01:10:14 5217576 7402804 365148 4.49 86864 2258748 617072 6.72 584148 2031712 344 01:20:14 5225916 7412612 355320 4.37 87008 2260044 617136 6.72 584032 2033148 136 01:30:13 5187208 7403656 363888 4.47 87408 2289260 617132 6.72 594716 2052136 180 Average: 5212927 7405597 362298 4.45 86994 2266009 615807 6.71 585457 2036446 214 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:14 lo 1.34 1.34 0.08 0.08 0.00 0.00 0.00 0.00 01:00:14 ens3 60.01 36.67 345.56 9.24 0.00 0.00 0.00 0.00 01:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:14 ens3 2.12 0.29 10.77 0.12 0.00 0.00 0.00 0.00 01:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:14 ens3 3.07 0.42 1.37 0.16 0.00 0.00 0.00 0.00 01:30:13 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:13 ens3 0.89 0.48 3.38 0.12 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 16.75 9.61 91.63 2.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38445) 08/18/26 _x86_64_ (2 CPU) 00:49:49 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:14 all 12.41 0.00 2.06 1.51 0.07 83.95 01:00:14 0 13.88 0.00 2.02 1.68 0.08 82.34 01:00:14 1 10.93 0.00 2.10 1.34 0.07 85.56 01:10:14 all 1.18 0.00 0.13 0.04 0.06 98.59 01:10:14 0 0.92 0.00 0.10 0.02 0.05 98.91 01:10:14 1 1.43 0.00 0.16 0.05 0.08 98.28 01:20:14 all 0.97 0.00 0.14 0.09 0.06 98.73 01:20:14 0 1.04 0.00 0.15 0.14 0.06 98.60 01:20:14 1 0.90 0.00 0.14 0.04 0.06 98.86 01:30:13 all 0.97 0.00 0.25 0.10 0.07 98.62 01:30:13 0 1.20 0.00 0.27 0.18 0.08 98.28 01:30:13 1 0.74 0.00 0.23 0.02 0.06 98.95 Average: all 3.93 0.00 0.65 0.44 0.07 94.91 Average: 0 4.31 0.00 0.64 0.51 0.07 94.47 Average: 1 3.54 0.00 0.67 0.37 0.07 95.36