---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8477 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 783 5109 4 2343 7158 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:af:91:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.29/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83721sec preferred_lft 83721sec inet6 fe80::f816:3eff:feaf:917c/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-8477) 09/16/26 _x86_64_ (2 CPU) 00:39:25 LINUX RESTART (2 CPU) 00:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.89 0.04 1.83 0.02 1.56 42.16 221.69 01:00:22 22.18 2.73 17.44 2.00 215.63 2727.96 1160.93 01:10:23 18.05 0.01 3.68 14.35 1.13 709.38 106143.98 01:20:23 1.96 0.32 1.63 0.01 43.09 173.52 0.17 Average: 11.14 0.79 6.25 4.09 66.71 930.26 26764.88 00:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6281060 7528372 292276 3.59 30556 1423384 520256 5.67 445768 1184028 248 01:00:22 5173420 7359408 407644 5.01 86984 2259892 648308 7.06 624576 2031716 186312 01:10:23 5192336 7390176 376988 4.64 87700 2271120 666336 7.26 607048 2043496 184 01:20:23 5109228 7367632 398580 4.90 88152 2330796 855576 9.32 629716 2093548 1472 Average: 5439011 7411397 368872 4.54 73348 2071298 672619 7.33 576777 1838197 47054 00:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 2.36 0.27 0.58 0.13 0.00 0.00 0.00 0.00 01:00:22 lo 1.25 1.25 0.07 0.07 0.00 0.00 0.00 0.00 01:00:22 ens3 49.28 35.37 308.67 7.56 0.00 0.00 0.00 0.00 01:10:23 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:10:23 ens3 52.09 42.40 11.00 7.05 0.00 0.00 0.00 0.00 01:20:23 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:23 ens3 42.97 42.11 12.67 5.81 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 36.86 30.15 85.26 5.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8477) 09/16/26 _x86_64_ (2 CPU) 00:39:25 LINUX RESTART (2 CPU) 00:40:05 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.36 0.00 0.19 0.04 0.01 99.41 00:50:01 0 0.12 0.00 0.20 0.05 0.01 99.61 00:50:01 1 0.59 0.00 0.18 0.02 0.01 99.20 01:00:22 all 10.64 0.00 1.82 0.57 0.01 86.96 01:00:22 0 9.42 0.00 1.90 0.75 0.01 87.91 01:00:22 1 11.85 0.00 1.73 0.39 0.01 86.02 01:10:23 all 3.85 0.00 0.70 0.08 0.02 95.36 01:10:23 0 2.85 0.00 0.68 0.10 0.02 96.35 01:10:23 1 4.88 0.00 0.71 0.07 0.02 94.33 01:20:23 all 4.43 0.00 0.64 0.03 0.02 94.89 01:20:23 0 5.84 0.00 0.67 0.02 0.02 93.45 01:20:23 1 3.03 0.00 0.62 0.04 0.02 96.30 Average: all 4.88 0.00 0.85 0.18 0.01 94.07 Average: 0 4.61 0.00 0.87 0.24 0.01 94.27 Average: 1 5.16 0.00 0.82 0.13 0.01 93.87