---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37497 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 756 5045 4 2441 7185 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:66:e1:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.164/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 56026sec preferred_lft 56026sec inet6 fe80::f816:3eff:fe66:e1e0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37497) 08/15/26 _x86_64_ (2 CPU) 00:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:02 1.61 0.01 1.58 0.02 0.81 19.85 0.60 00:20:02 1.82 0.11 1.68 0.03 3.06 23.88 370.97 00:30:02 1.57 0.00 1.54 0.03 0.00 18.27 1.11 00:40:02 29.21 2.81 24.08 2.32 222.07 3479.13 475.40 00:50:02 1.79 0.00 1.79 0.00 0.00 59.99 0.32 Average: 7.20 0.59 6.13 0.48 45.18 720.03 169.54 00:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:02 6121440 7517448 291876 3.59 55052 1536992 536556 5.84 468004 1308444 340 00:20:02 6153804 7514408 294924 3.63 55208 1501412 533732 5.81 467012 1272804 264 00:30:02 6146672 7507744 301548 3.71 55344 1501736 533732 5.81 466960 1273264 224 00:40:02 5111004 7401376 355412 4.37 105748 2335752 647320 7.05 601064 2112628 236 00:50:02 5085380 7388372 368264 4.53 105824 2348348 698004 7.60 609988 2125160 784 Average: 5723660 7465870 322405 3.96 75435 1844848 589869 6.42 522606 1618460 370 00:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:02 ens3 0.46 0.15 0.16 0.09 0.00 0.00 0.00 0.00 00:20:02 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 00:20:02 ens3 0.40 0.15 0.15 0.08 0.00 0.00 0.00 0.00 00:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:02 ens3 0.71 0.33 0.21 1.68 0.00 0.00 0.00 0.00 00:40:02 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:02 ens3 66.87 49.01 321.42 12.06 0.00 0.00 0.00 0.00 00:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 41.37 34.58 8.50 4.36 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 21.96 16.84 66.07 3.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37497) 08/15/26 _x86_64_ (2 CPU) 00:00:02 CPU %user %nice %system %iowait %steal %idle 00:10:02 all 0.27 0.00 0.10 0.01 0.03 99.59 00:10:02 0 0.23 0.00 0.12 0.00 0.03 99.62 00:10:02 1 0.31 0.00 0.09 0.02 0.03 99.56 00:20:02 all 0.68 0.00 0.22 0.03 0.03 99.04 00:20:02 0 0.95 0.00 0.22 0.04 0.03 98.77 00:20:02 1 0.40 0.00 0.23 0.02 0.03 99.32 00:30:02 all 0.27 0.00 0.18 0.03 0.04 99.49 00:30:02 0 0.30 0.00 0.18 0.01 0.03 99.48 00:30:02 1 0.23 0.00 0.19 0.05 0.04 99.49 00:40:02 all 12.51 0.00 1.80 0.49 0.06 85.15 00:40:02 0 12.13 0.00 1.90 0.67 0.06 85.26 00:40:02 1 12.89 0.00 1.71 0.31 0.06 85.04 00:50:02 all 4.60 0.00 0.50 0.02 0.08 94.80 00:50:02 0 2.93 0.00 0.43 0.03 0.07 96.54 00:50:02 1 6.31 0.00 0.59 0.01 0.08 93.01 Average: all 3.65 0.00 0.56 0.12 0.04 95.63 Average: 0 3.31 0.00 0.57 0.15 0.04 95.93 Average: 1 4.00 0.00 0.56 0.08 0.05 95.32