---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7694 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 781 5089 4 2364 7159 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:de:21:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83260sec preferred_lft 83260sec inet6 fe80::f816:3eff:fede:2185/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-7694) 09/12/26 _x86_64_ (2 CPU) 23:07:22 LINUX RESTART (2 CPU) 23:10:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:20:28 8.31 1.37 6.31 0.63 109.00 989.21 593.77 23:30:08 2.22 0.35 1.83 0.04 44.83 133.20 0.57 23:40:38 1.24 0.00 1.23 0.01 0.00 47.17 0.10 23:50:38 1.32 0.00 1.32 0.00 0.00 36.89 0.00 Average: 3.25 0.42 2.66 0.17 37.93 299.85 147.99 23:10:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:28 5219056 7412644 354620 4.36 88260 2266608 704356 7.67 582524 2039616 340 23:30:08 5148588 7387740 378388 4.65 88736 2311420 875364 9.53 602960 2074820 208 23:40:38 5142160 7392044 374024 4.60 88912 2321892 888820 9.68 607724 2085416 152 23:50:38 5137000 7393696 372308 4.58 89088 2328392 922584 10.05 608032 2092128 192 Average: 5161701 7396531 369835 4.55 88749 2307078 847781 9.23 600310 2072995 223 23:10:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:28 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 23:20:28 ens3 61.61 54.19 39.04 9.60 0.00 0.00 0.00 0.00 23:30:08 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 23:30:08 ens3 18.87 18.15 7.97 2.17 0.00 0.00 0.00 0.00 23:40:38 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 23:40:38 ens3 18.66 16.31 4.88 2.13 0.00 0.00 0.00 0.00 23:50:38 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 23:50:38 ens3 14.91 13.35 4.27 1.46 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 28.47 25.45 13.97 3.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-7694) 09/12/26 _x86_64_ (2 CPU) 23:07:22 LINUX RESTART (2 CPU) 23:10:28 CPU %user %nice %system %iowait %steal %idle 23:20:28 all 6.33 0.00 1.04 0.14 0.01 92.48 23:20:28 0 6.17 0.00 0.88 0.19 0.01 92.76 23:20:28 1 6.50 0.00 1.19 0.10 0.01 92.20 23:30:08 all 3.42 0.00 0.54 0.03 0.01 96.00 23:30:08 0 5.20 0.00 0.57 0.03 0.01 94.19 23:30:08 1 1.65 0.00 0.51 0.03 0.01 97.81 23:40:38 all 4.21 0.00 0.45 0.03 0.01 95.29 23:40:38 0 4.88 0.00 0.46 0.01 0.01 94.64 23:40:38 1 3.55 0.00 0.44 0.06 0.01 95.94 23:50:38 all 2.55 0.00 0.36 0.01 0.01 97.07 23:50:38 0 2.67 0.00 0.37 0.00 0.01 96.95 23:50:38 1 2.44 0.00 0.34 0.02 0.01 97.20 Average: all 4.14 0.00 0.60 0.05 0.01 95.20 Average: 0 4.73 0.00 0.57 0.06 0.01 94.63 Average: 1 3.55 0.00 0.62 0.05 0.01 95.77