---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66042 6.8.0-146-generic #146-Ubuntu SMP PREEMPT_DYNAMIC Thu Sep 3 16:12:30 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: 5600.00 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 8.2G 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 886 4934 4 2420 7055 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:fb:c6:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.35/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83217sec preferred_lft 83217sec inet6 fe80::f816:3eff:fefb:c656/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-146-generic (prd-ubuntu2404-robot-2c-8g-66042) 10/20/26 _x86_64_ (2 CPU) 23:05:38 LINUX RESTART (2 CPU) 23:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:20:03 6.49 0.04 5.86 0.58 3.18 936.84 238.79 23:30:03 16.18 0.01 1.68 14.49 0.20 50.19 105688.69 23:40:01 1.37 0.01 1.36 0.00 0.20 37.07 0.00 23:50:03 2.11 0.31 1.78 0.01 42.53 112.85 0.17 Average: 6.54 0.09 2.67 3.77 11.54 284.76 26462.57 23:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:03 5022956 7293164 467104 5.74 113276 2311936 859680 9.36 706996 2098660 188 23:30:03 5004528 7283636 476248 5.86 113444 2320668 864172 9.41 712236 2107532 256 23:40:01 4997472 7282980 476868 5.86 113592 2326920 840380 9.15 712804 2113816 312 23:50:03 4920036 7246604 512468 6.30 113880 2367380 1035828 11.28 730920 2144464 524 Average: 4986248 7276596 483172 5.94 113548 2331726 900015 9.80 715739 2116118 320 23:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:03 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 23:20:03 ens3 66.72 55.55 14.43 9.78 0.00 0.00 0.00 0.00 23:30:03 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 23:30:03 ens3 12.17 12.17 2.02 0.91 0.00 0.00 0.00 0.00 23:40:01 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 23:40:01 ens3 12.46 12.15 2.24 1.09 0.00 0.00 0.00 0.00 23:50:03 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 23:50:03 ens3 18.56 18.35 6.01 1.26 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 27.51 24.58 6.18 3.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-146-generic (prd-ubuntu2404-robot-2c-8g-66042) 10/20/26 _x86_64_ (2 CPU) 23:05:38 LINUX RESTART (2 CPU) 23:10:01 CPU %user %nice %system %iowait %steal %idle 23:20:03 all 4.78 0.00 0.95 0.08 0.01 94.19 23:20:03 0 5.08 0.00 0.97 0.08 0.01 93.86 23:20:03 1 4.47 0.00 0.93 0.07 0.01 94.52 23:30:03 all 2.21 0.00 0.51 0.05 0.01 97.21 23:30:03 0 2.28 0.00 0.51 0.08 0.01 97.13 23:30:03 1 2.15 0.00 0.52 0.03 0.01 97.30 23:40:01 all 1.62 0.00 0.35 0.01 0.01 98.02 23:40:01 0 1.83 0.00 0.36 0.01 0.01 97.80 23:40:01 1 1.41 0.00 0.34 0.02 0.01 98.23 23:50:03 all 1.10 0.00 0.34 0.03 0.01 98.53 23:50:03 0 1.12 0.00 0.37 0.03 0.01 98.48 23:50:03 1 1.07 0.00 0.32 0.02 0.01 98.59 Average: all 2.43 0.00 0.54 0.04 0.01 96.99 Average: 0 2.58 0.00 0.55 0.05 0.01 96.81 Average: 1 2.28 0.00 0.53 0.03 0.01 97.16