---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60770 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 785 5075 4 2383 7156 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:31:74:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.175/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5849sec preferred_lft 5849sec inet6 fe80::f816:3eff:fe31:7468/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60770) 10/01/26 _x86_64_ (2 CPU) 00:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:00 1.79 0.02 1.74 0.03 0.82 20.65 42.14 00:20:05 1.80 0.11 1.67 0.03 3.03 23.52 549.33 00:30:05 1.80 0.00 1.79 0.02 0.00 20.09 4.13 00:40:02 20.07 1.68 16.77 1.63 121.32 2510.75 746.39 Average: 6.35 0.45 5.48 0.42 31.18 641.34 335.98 00:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:00 6096240 7511376 296700 3.65 58252 1553584 732908 7.98 483240 1326720 124 00:20:05 6124840 7500456 307552 3.78 58388 1513880 729856 7.95 481568 1286932 280 00:30:05 6125132 7501200 306752 3.77 58516 1514208 729856 7.95 481432 1287380 320 00:40:02 5229480 7342064 421584 5.18 101020 2170356 820344 8.94 590760 1967872 69724 Average: 5893923 7463774 333147 4.10 69044 1688007 753241 8.20 509250 1467226 17612 00:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:00 ens3 0.51 0.09 0.13 0.07 0.00 0.00 0.00 0.00 00:20:05 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:05 ens3 0.36 0.08 0.07 0.04 0.00 0.00 0.00 0.00 00:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:05 ens3 0.60 0.10 0.15 0.08 0.00 0.00 0.00 0.00 00:40:02 lo 1.23 1.23 0.07 0.07 0.00 0.00 0.00 0.00 00:40:02 ens3 48.40 31.85 287.36 8.07 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 12.42 8.00 71.65 2.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60770) 10/01/26 _x86_64_ (2 CPU) 00:00:05 CPU %user %nice %system %iowait %steal %idle 00:10:00 all 0.26 0.00 0.10 0.01 0.00 99.63 00:10:00 0 0.45 0.00 0.06 0.01 0.00 99.48 00:10:00 1 0.07 0.00 0.14 0.02 0.00 99.77 00:20:05 all 0.65 0.00 0.23 0.02 0.00 99.11 00:20:05 0 0.42 0.00 0.26 0.02 0.00 99.30 00:20:05 1 0.88 0.00 0.19 0.02 0.00 98.91 00:30:05 all 0.28 0.00 0.16 0.01 0.00 99.55 00:30:05 0 0.43 0.00 0.15 0.01 0.00 99.41 00:30:05 1 0.13 0.00 0.17 0.01 0.00 99.69 00:40:02 all 8.75 0.00 1.42 0.47 0.01 89.35 00:40:02 0 12.02 0.00 1.58 0.80 0.02 85.59 00:40:02 1 5.47 0.00 1.26 0.15 0.01 93.11 Average: all 2.48 0.00 0.48 0.13 0.00 96.92 Average: 0 3.32 0.00 0.51 0.21 0.00 95.96 Average: 1 1.63 0.00 0.44 0.05 0.00 97.87