---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8906 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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 nrip_save 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 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 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 7.9G 30G 21% / 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 5205 4 2249 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:b2:f0:cd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.212/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81272sec preferred_lft 81272sec inet6 fe80::f816:3eff:feb2:f0cd/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8906) 04/28/26 _x86_64_ (2 CPU) 01:47:39 LINUX RESTART (2 CPU) 01:50:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.54 0.03 1.50 0.02 1.29 18.84 454.77 02:10:00 14.28 0.33 1.37 12.58 39.29 65.35 109401.13 02:20:26 1.41 0.01 1.38 0.02 1.02 23.53 0.98 02:30:01 1.40 0.00 1.39 0.02 0.00 17.71 909.21 02:40:01 1.20 0.00 1.20 0.00 0.00 14.88 0.00 02:50:17 2.60 1.29 1.30 0.01 93.87 107.98 0.22 03:00:01 36.37 15.63 18.38 2.36 289.99 3180.34 521.78 03:10:01 1.34 0.00 1.33 0.00 0.00 21.82 0.08 Average: 7.44 2.12 3.44 1.87 52.81 423.44 13946.00 01:50:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6295972 7542472 278120 3.42 30592 1421548 527424 5.74 439144 1183176 244 02:10:00 6101328 7376932 442888 5.45 30996 1449888 738512 8.04 592484 1200836 2552 02:20:26 6253688 7530192 289804 3.56 31220 1450544 527592 5.75 450992 1201396 120 02:30:01 6264180 7541208 278800 3.43 31408 1450868 529108 5.76 451876 1201908 276 02:40:01 6264400 7542040 277960 3.42 31560 1451324 529168 5.76 452164 1202388 276 02:50:17 6033076 7408692 405324 4.98 39388 1536320 626436 6.82 572300 1282708 40592 03:00:01 5180696 7356444 406352 5.00 88468 2243084 669012 7.29 624112 2004892 340 03:10:01 5150928 7328740 434056 5.34 88628 2244984 691756 7.53 638096 2006952 324 Average: 5943034 7453340 351663 4.32 46532 1656070 604876 6.59 527646 1410532 5590 01:50:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.81 0.07 0.10 0.04 0.00 0.00 0.00 0.00 02:10:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.79 0.24 3.19 0.07 0.00 0.00 0.00 0.00 02:20:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:26 ens3 0.29 0.03 0.12 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.29 0.03 0.12 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.32 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:50:17 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:17 ens3 19.34 9.10 49.68 4.05 0.00 0.00 0.00 0.00 03:00:01 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 53.63 37.91 271.48 7.96 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 12.90 11.69 107.24 1.06 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.99 7.34 53.56 1.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8906) 04/28/26 _x86_64_ (2 CPU) 01:47:39 LINUX RESTART (2 CPU) 01:50:25 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.26 0.00 0.17 0.01 0.04 99.53 02:00:01 0 0.39 0.00 0.17 0.01 0.03 99.41 02:00:01 1 0.12 0.00 0.17 0.02 0.05 99.65 02:10:00 all 0.36 0.00 0.11 0.04 0.03 99.46 02:10:00 0 0.48 0.00 0.08 0.03 0.03 99.39 02:10:00 1 0.25 0.00 0.14 0.05 0.04 99.52 02:20:26 all 0.27 0.00 0.07 0.01 0.03 99.62 02:20:26 0 0.47 0.00 0.04 0.01 0.02 99.45 02:20:26 1 0.07 0.00 0.10 0.01 0.04 99.78 02:30:01 all 0.28 0.00 0.17 0.01 0.03 99.51 02:30:01 0 0.36 0.00 0.14 0.01 0.03 99.47 02:30:01 1 0.21 0.00 0.20 0.01 0.03 99.55 02:40:01 all 0.25 0.00 0.07 0.01 0.03 99.64 02:40:01 0 0.05 0.00 0.08 0.01 0.04 99.82 02:40:01 1 0.45 0.00 0.06 0.01 0.03 99.46 02:50:17 all 1.14 0.00 0.22 0.03 0.03 98.58 02:50:17 0 1.07 0.00 0.27 0.02 0.03 98.60 02:50:17 1 1.20 0.00 0.18 0.04 0.02 98.56 03:00:01 all 10.44 0.19 1.74 0.60 0.06 86.98 03:00:01 0 9.16 0.00 1.61 0.75 0.05 88.43 03:00:01 1 11.72 0.37 1.86 0.46 0.07 85.52 03:10:01 all 0.88 0.00 0.21 0.01 0.05 98.85 03:10:01 0 1.18 0.00 0.27 0.00 0.06 98.49 03:10:01 1 0.58 0.00 0.15 0.02 0.04 99.21 Average: all 1.71 0.02 0.34 0.09 0.04 97.80 Average: 0 1.62 0.00 0.33 0.10 0.04 97.91 Average: 1 1.80 0.05 0.35 0.07 0.04 97.69