---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26559 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 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 787 5088 4 2358 7154 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:7a:b3:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80689sec preferred_lft 80689sec inet6 fe80::f816:3eff:fe7a:b366/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26559) 06/11/26 _x86_64_ (2 CPU) 00:42:08 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.45 0.01 1.43 0.01 0.05 17.40 436.08 01:10:20 1.30 0.00 1.30 0.00 0.00 15.62 0.00 01:20:00 1.30 0.00 1.29 0.00 0.01 15.31 0.12 01:30:00 2.07 0.25 1.79 0.02 30.98 77.26 654.04 01:40:00 1.34 0.01 1.33 0.00 1.05 16.05 0.05 01:50:00 1.31 0.00 1.31 0.01 0.00 15.51 0.60 02:00:01 23.23 3.01 17.90 2.31 227.47 3499.77 534.74 02:10:10 14.72 0.00 1.42 13.30 0.14 69.01 104720.10 Average: 5.86 0.41 3.47 1.98 32.41 465.06 13480.62 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6298224 7545524 275064 3.38 30660 1422320 527528 5.75 441328 1183436 236 01:10:20 6298224 7546060 274520 3.38 30828 1422684 527764 5.75 441552 1183968 160 01:20:00 6297496 7545792 274776 3.38 30996 1422976 527912 5.75 443412 1184420 136 01:30:00 6239340 7514440 305568 3.76 31348 1449052 723596 7.88 457860 1202092 124 01:40:00 6239352 7515412 304596 3.75 31524 1449824 528076 5.75 453472 1202600 136 01:50:00 6247164 7523736 296256 3.64 31712 1450152 528140 5.75 453772 1203104 148 02:00:01 5194984 7406188 360940 4.44 87036 2284296 653980 7.12 599304 2047008 384 02:10:10 5179276 7406212 360948 4.44 87224 2299848 656428 7.15 601580 2062708 240 Average: 5999258 7500420 306584 3.77 45166 1650144 584178 6.36 486535 1408667 196 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.60 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:20 ens3 0.39 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.48 0.10 0.14 0.06 0.00 0.00 0.00 0.00 01:30:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.78 0.40 3.19 0.06 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.43 0.21 0.11 0.60 0.00 0.00 0.00 0.00 01:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:00 ens3 0.36 0.10 0.12 0.06 0.00 0.00 0.00 0.00 02:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 85.58 60.50 322.89 12.84 0.00 0.00 0.00 0.00 02:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:10 ens3 49.64 44.55 10.64 5.84 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 17.35 13.31 42.10 2.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26559) 06/11/26 _x86_64_ (2 CPU) 00:42:08 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.16 0.01 0.02 99.52 01:00:01 0 0.18 0.00 0.17 0.00 0.03 99.63 01:00:01 1 0.40 0.00 0.15 0.02 0.02 99.41 01:10:20 all 0.27 0.00 0.08 0.01 0.02 99.61 01:10:20 0 0.33 0.00 0.08 0.00 0.02 99.56 01:10:20 1 0.21 0.00 0.08 0.01 0.02 99.67 01:20:00 all 0.27 0.00 0.08 0.01 0.02 99.62 01:20:00 0 0.18 0.00 0.08 0.01 0.02 99.70 01:20:00 1 0.37 0.00 0.07 0.01 0.02 99.54 01:30:00 all 0.36 0.00 0.20 0.02 0.03 99.39 01:30:00 0 0.34 0.00 0.18 0.00 0.03 99.45 01:30:00 1 0.37 0.00 0.23 0.03 0.03 99.34 01:40:00 all 0.25 0.00 0.08 0.01 0.02 99.63 01:40:00 0 0.26 0.00 0.08 0.01 0.02 99.63 01:40:00 1 0.25 0.00 0.08 0.01 0.03 99.64 01:50:00 all 0.26 0.00 0.07 0.01 0.02 99.64 01:50:00 0 0.06 0.00 0.09 0.01 0.03 99.81 01:50:00 1 0.45 0.00 0.05 0.00 0.01 99.48 02:00:01 all 14.65 0.00 1.95 0.47 0.07 82.86 02:00:01 0 12.22 0.00 1.67 0.54 0.06 85.51 02:00:01 1 17.11 0.00 2.23 0.41 0.07 80.18 02:10:10 all 6.10 0.00 0.54 0.03 0.07 93.26 02:10:10 0 5.15 0.00 0.47 0.05 0.07 94.26 02:10:10 1 7.07 0.00 0.61 0.01 0.07 92.24 Average: all 2.80 0.00 0.39 0.07 0.04 96.70 Average: 0 2.34 0.00 0.35 0.08 0.04 97.19 Average: 1 3.26 0.00 0.44 0.06 0.03 96.20