---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60773 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 8.1G 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 765 5054 4 2424 7176 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:7a:29:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.58/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5847sec preferred_lft 5847sec inet6 fe80::f816:3eff:fe7a:29e9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60773) 10/01/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:11 1.76 0.01 1.73 0.01 0.80 20.35 421.19 00:20:01 1.85 0.11 1.71 0.03 3.11 23.82 473.50 00:30:01 1.86 0.00 1.84 0.02 0.00 20.13 423.06 00:40:11 20.22 1.63 16.92 1.67 118.67 2663.55 1164.65 Average: 6.47 0.44 5.59 0.44 30.98 689.75 622.52 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:11 6101404 7512420 295672 3.64 54544 1553472 731768 7.97 476372 1323120 324 00:20:01 6137800 7509252 298716 3.67 54692 1513712 728536 7.94 474828 1283292 132 00:30:01 6150484 7522404 285532 3.51 54824 1514040 728536 7.94 474592 1283752 240 00:40:11 5157936 7338832 421864 5.19 100016 2237320 853384 9.30 620856 2034100 111904 Average: 5886906 7470727 325446 4.00 66019 1704636 760556 8.28 511662 1481066 28150 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:11 ens3 0.64 0.33 0.14 1.29 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.35 0.07 0.08 0.04 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 0.61 0.10 0.15 0.08 0.00 0.00 0.00 0.00 00:40:11 lo 1.23 1.23 0.07 0.07 0.00 0.00 0.00 0.00 00:40:11 ens3 50.87 36.70 316.53 7.52 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 13.27 9.41 80.16 2.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60773) 10/01/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:11 all 0.25 0.00 0.13 0.01 0.00 99.61 00:10:11 0 0.05 0.00 0.15 0.01 0.00 99.79 00:10:11 1 0.46 0.00 0.11 0.01 0.00 99.42 00:20:01 all 0.61 0.00 0.23 0.01 0.00 99.14 00:20:01 0 0.67 0.00 0.23 0.01 0.00 99.09 00:20:01 1 0.55 0.00 0.23 0.01 0.00 99.20 00:30:01 all 0.27 0.00 0.16 0.01 0.00 99.55 00:30:01 0 0.49 0.00 0.15 0.00 0.00 99.37 00:30:01 1 0.05 0.00 0.18 0.02 0.01 99.74 00:40:11 all 9.27 0.00 1.45 0.43 0.01 88.84 00:40:11 0 9.02 0.00 1.36 0.29 0.01 89.32 00:40:11 1 9.52 0.00 1.54 0.57 0.01 88.36 Average: all 2.63 0.00 0.50 0.12 0.00 96.76 Average: 0 2.58 0.00 0.47 0.08 0.00 96.86 Average: 1 2.67 0.00 0.52 0.15 0.01 96.65