---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26336 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 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 766 5190 4 2277 7175 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:55:4a:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82171sec preferred_lft 82171sec inet6 fe80::f816:3eff:fe55:4ac1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26336) 06/10/26 _x86_64_ (2 CPU) 01:48:05 LINUX RESTART (2 CPU) 01:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.62 0.03 1.58 0.02 1.25 18.92 441.10 02:10:43 1.35 0.01 1.33 0.02 0.05 15.82 1.35 02:20:13 1.44 0.00 1.42 0.02 0.01 16.18 1.14 02:30:01 14.35 0.00 1.53 12.82 0.15 18.22 111859.76 02:40:43 1.90 0.24 1.63 0.03 29.93 71.76 1.52 02:50:03 1.74 0.37 1.36 0.02 14.40 36.59 0.93 Average: 3.69 0.11 1.48 2.11 7.83 30.01 18368.94 01:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6305596 7556144 264348 3.25 30628 1425528 528888 5.76 441948 1187288 136 02:10:43 6303860 7555012 265412 3.26 30868 1425892 528912 5.76 442148 1187888 152 02:20:13 6302712 7554400 266016 3.27 31076 1426212 530656 5.78 443484 1188420 136 02:30:01 6301708 7553960 266372 3.28 31284 1426552 529176 5.76 439792 1188940 240 02:40:43 6247300 7526732 293160 3.60 31696 1452968 529328 5.77 449076 1206692 124 02:50:03 6245592 7535532 284160 3.49 31948 1463252 539300 5.87 464608 1215808 196 Average: 6284461 7546963 273245 3.36 31250 1436734 531043 5.78 446843 1195839 164 01:50:08 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 1.45 0.07 0.17 0.03 0.00 0.00 0.00 0.00 02:10:43 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:43 ens3 0.37 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:13 ens3 0.37 0.04 2.18 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 0.61 0.12 0.21 0.12 0.00 0.00 0.00 0.00 02:40:43 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:43 ens3 0.71 0.39 3.04 0.63 0.00 0.00 0.00 0.00 02:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 6.36 2.77 13.05 1.67 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.58 0.55 2.99 0.40 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26336) 06/10/26 _x86_64_ (2 CPU) 01:48:05 LINUX RESTART (2 CPU) 01:50:08 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.28 0.00 0.17 0.01 0.03 99.51 02:00:01 0 0.25 0.00 0.18 0.01 0.02 99.55 02:00:01 1 0.32 0.00 0.17 0.02 0.03 99.47 02:10:43 all 0.24 0.00 0.08 0.01 0.03 99.65 02:10:43 0 0.05 0.00 0.09 0.01 0.03 99.82 02:10:43 1 0.42 0.00 0.07 0.01 0.03 99.48 02:20:13 all 0.26 0.00 0.08 0.01 0.02 99.63 02:20:13 0 0.06 0.00 0.08 0.01 0.02 99.83 02:20:13 1 0.47 0.00 0.07 0.02 0.02 99.43 02:30:01 all 0.32 0.00 0.17 0.03 0.02 99.45 02:30:01 0 0.33 0.00 0.19 0.05 0.03 99.41 02:30:01 1 0.32 0.00 0.16 0.01 0.02 99.49 02:40:43 all 0.41 0.00 0.10 0.02 0.02 99.44 02:40:43 0 0.32 0.00 0.13 0.03 0.02 99.50 02:40:43 1 0.51 0.00 0.08 0.01 0.02 99.38 02:50:03 all 0.41 0.00 0.10 0.01 0.02 99.46 02:50:03 0 0.29 0.00 0.09 0.01 0.03 99.59 02:50:03 1 0.54 0.00 0.10 0.02 0.02 99.33 Average: all 0.32 0.00 0.12 0.02 0.02 99.52 Average: 0 0.21 0.00 0.13 0.02 0.03 99.62 Average: 1 0.43 0.00 0.11 0.01 0.02 99.43