---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19159 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 8.1G 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 840 4995 4 2398 7101 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:43:5d:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.35/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82589sec preferred_lft 82589sec inet6 fe80::f816:3eff:fe43:5d22/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19159) 05/23/26 _x86_64_ (2 CPU) 00:36:54 LINUX RESTART (2 CPU) 00:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:06 9.32 1.22 7.20 0.90 104.34 1104.47 271.24 01:00:06 2.08 0.26 1.76 0.07 31.03 153.76 1.05 01:10:06 1.38 0.01 1.37 0.01 1.05 94.77 0.07 01:20:06 1.22 0.00 1.22 0.00 0.01 20.89 0.00 01:30:06 1.64 0.00 1.62 0.02 0.00 27.05 0.24 01:40:06 5.64 0.08 4.21 1.34 6.60 502.89 2197.95 Average: 3.55 0.26 2.90 0.39 23.84 317.31 411.76 00:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:06 5231648 7407056 360952 4.44 85572 2250912 677104 7.37 591784 2021764 256 01:00:06 5103116 7327780 439444 5.40 85968 2299488 929480 10.12 654048 2061972 268 01:10:06 5103416 7352456 414588 5.10 86128 2323384 695848 7.58 651972 2085716 192 01:20:06 5100544 7351704 415300 5.11 86268 2325332 713384 7.77 653228 2087804 236 01:30:06 5081188 7334852 432116 5.31 86404 2327664 713380 7.77 653088 2090144 204 01:40:06 5151264 7304560 471572 5.80 89188 2232792 732580 7.98 704676 1996284 15220 Average: 5128529 7346401 422329 5.19 86588 2293262 743629 8.10 651466 2057281 2729 00:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:06 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 00:50:06 ens3 96.58 77.04 54.44 13.06 0.00 0.00 0.00 0.00 01:00:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 11.77 12.13 13.45 1.14 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 19.55 19.95 11.94 1.76 0.00 0.00 0.00 0.00 01:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 13.42 13.05 2.43 1.07 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 13.76 13.56 2.49 1.46 0.00 0.00 0.00 0.00 01:40:06 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 01:40:06 ens3 37.50 29.85 30.70 31.70 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 32.10 27.60 19.24 8.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19159) 05/23/26 _x86_64_ (2 CPU) 00:36:54 LINUX RESTART (2 CPU) 00:40:06 CPU %user %nice %system %iowait %steal %idle 00:50:06 all 6.88 0.00 1.27 0.14 0.05 91.65 00:50:06 0 9.18 0.00 1.67 0.23 0.05 88.87 00:50:06 1 4.58 0.00 0.87 0.06 0.05 94.44 01:00:06 all 5.60 0.00 0.77 0.02 0.06 93.54 01:00:06 0 5.46 0.00 0.69 0.01 0.06 93.78 01:00:06 1 5.75 0.00 0.86 0.03 0.06 93.30 01:10:06 all 6.51 0.00 0.77 0.01 0.06 92.65 01:10:06 0 9.15 0.00 1.03 0.01 0.06 89.75 01:10:06 1 3.89 0.00 0.51 0.02 0.05 95.53 01:20:06 all 1.55 0.00 0.23 0.01 0.06 98.15 01:20:06 0 1.12 0.00 0.21 0.01 0.06 98.61 01:20:06 1 1.99 0.00 0.26 0.01 0.06 97.69 01:30:06 all 1.60 0.00 0.35 0.02 0.05 97.98 01:30:06 0 2.10 0.00 0.38 0.01 0.06 97.45 01:30:06 1 1.10 0.00 0.31 0.03 0.05 98.51 01:40:06 all 7.25 0.00 0.85 0.09 0.05 91.76 01:40:06 0 3.83 0.00 0.71 0.13 0.06 95.27 01:40:06 1 10.67 0.00 0.99 0.05 0.05 88.25 Average: all 4.90 0.00 0.71 0.05 0.05 94.29 Average: 0 5.14 0.00 0.78 0.06 0.06 93.96 Average: 1 4.67 0.00 0.63 0.03 0.05 94.62