---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-792 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 800 4997 4 2446 7141 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:9e:54:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80715sec preferred_lft 80715sec inet6 fe80::f816:3eff:fe9e:54ef/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-792) 09/07/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:19 1.59 0.01 1.57 0.01 0.79 19.76 411.19 00:20:19 1.64 0.11 1.50 0.03 3.05 22.33 465.39 00:30:19 1.60 0.00 1.58 0.02 0.00 18.17 423.45 00:40:01 1.43 0.00 1.43 0.00 0.00 15.90 0.00 00:50:19 25.57 2.75 20.65 2.16 216.33 3360.00 709.40 01:00:19 1.81 0.00 1.78 0.03 0.00 70.00 0.40 Average: 5.70 0.49 4.83 0.38 37.58 598.01 338.83 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:19 6116100 7524772 283600 3.49 53984 1551472 738356 8.04 477772 1321096 336 00:20:19 6113856 7483864 324388 3.99 54120 1512628 736636 8.02 477172 1282172 256 00:30:19 6139228 7509676 298384 3.67 54232 1512956 736636 8.02 477100 1282612 224 00:40:01 6138484 7509376 298684 3.67 54356 1513276 736636 8.02 477040 1283056 128 00:50:19 5085252 7384056 371616 4.57 105752 2345016 848312 9.24 615092 2120996 1028 01:00:19 5053184 7366440 389080 4.78 105904 2359352 860704 9.37 618952 2135444 896 Average: 5774351 7463031 327625 4.03 71391 1799117 776213 8.45 523855 1570896 478 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:19 ens3 0.30 0.11 0.10 0.06 0.00 0.00 0.00 0.00 00:20:19 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:19 ens3 0.40 0.26 0.08 1.25 0.00 0.00 0.00 0.00 00:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:19 ens3 0.56 0.15 0.17 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:01 ens3 0.42 0.10 0.13 0.08 0.00 0.00 0.00 0.00 00:50:19 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:50:19 ens3 72.35 56.28 310.10 12.48 0.00 0.00 0.00 0.00 01:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:19 ens3 43.21 39.02 9.23 5.31 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 19.80 16.19 54.56 3.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-792) 09/07/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:19 all 0.28 0.00 0.14 0.01 0.01 99.56 00:10:19 0 0.49 0.00 0.12 0.01 0.00 99.37 00:10:19 1 0.07 0.00 0.16 0.01 0.01 99.74 00:20:19 all 0.59 0.00 0.26 0.01 0.01 99.13 00:20:19 0 0.43 0.00 0.25 0.02 0.01 99.29 00:20:19 1 0.76 0.00 0.26 0.01 0.01 98.97 00:30:19 all 0.30 0.00 0.16 0.01 0.01 99.52 00:30:19 0 0.24 0.00 0.16 0.00 0.01 99.58 00:30:19 1 0.37 0.00 0.16 0.01 0.01 99.46 00:40:01 all 0.23 0.00 0.09 0.01 0.01 99.67 00:40:01 0 0.04 0.00 0.09 0.00 0.00 99.86 00:40:01 1 0.43 0.00 0.08 0.01 0.01 99.47 00:50:19 all 13.09 0.00 2.16 0.48 0.02 84.26 00:50:19 0 11.09 0.00 2.12 0.43 0.02 86.34 00:50:19 1 15.07 0.00 2.19 0.52 0.02 82.20 01:00:19 all 5.09 0.00 0.71 0.01 0.03 94.16 01:00:19 0 2.93 0.00 0.69 0.02 0.03 96.34 01:00:19 1 7.30 0.00 0.73 0.01 0.03 91.92 Average: all 3.29 0.00 0.59 0.09 0.01 96.01 Average: 0 2.56 0.00 0.58 0.08 0.01 96.77 Average: 1 4.03 0.00 0.60 0.10 0.02 95.26