---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19690 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 790 5180 4 2262 7151 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:6a:27:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82106sec preferred_lft 82106sec inet6 fe80::f816:3eff:fe6a:2760/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19690) 05/25/26 _x86_64_ (2 CPU) 01:47:26 LINUX RESTART (2 CPU) 01:50:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:10 14.34 0.03 1.66 12.64 1.40 20.02 110694.88 02:10:01 1.35 0.01 1.33 0.01 0.05 15.53 0.97 02:20:14 1.43 0.00 1.41 0.02 0.01 16.44 1.17 02:30:10 1.62 0.00 1.59 0.03 0.00 18.82 659.91 02:40:01 1.84 0.26 1.56 0.03 31.46 75.63 1.40 02:50:14 1.69 0.39 1.28 0.02 16.46 46.59 1.22 Average: 3.69 0.12 1.47 2.11 8.21 32.13 18417.46 01:50:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:10 6280964 7527260 293100 3.60 30588 1421644 528628 5.76 445200 1183204 188 02:10:01 6288312 7535132 285304 3.51 30780 1421964 528628 5.76 445132 1183728 240 02:20:14 6291720 7539096 281332 3.46 31008 1422288 528764 5.76 445300 1184280 164 02:30:10 6281404 7529308 291092 3.58 31208 1422604 528784 5.76 445344 1184796 120 02:40:01 6242172 7516944 302916 3.72 31596 1448724 724728 7.89 459784 1202540 124 02:50:14 6216092 7506592 313064 3.85 31960 1463852 568544 6.19 497972 1216076 276 Average: 6266777 7525722 294468 3.62 31190 1433513 568013 6.19 456455 1192437 185 01:50:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:10 ens3 1.03 0.07 0.11 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.45 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:14 ens3 0.28 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:10 ens3 0.26 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.59 0.25 3.23 0.05 0.00 0.00 0.00 0.00 02:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:14 ens3 13.20 6.69 23.50 3.07 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 2.68 1.21 4.58 0.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19690) 05/25/26 _x86_64_ (2 CPU) 01:47:26 LINUX RESTART (2 CPU) 01:50:15 CPU %user %nice %system %iowait %steal %idle 02:00:10 all 0.30 0.00 0.18 0.03 0.03 99.46 02:00:10 0 0.09 0.00 0.18 0.05 0.04 99.64 02:00:10 1 0.51 0.00 0.17 0.01 0.03 99.28 02:10:01 all 0.25 0.00 0.07 0.01 0.03 99.64 02:10:01 0 0.44 0.00 0.05 0.01 0.02 99.47 02:10:01 1 0.05 0.00 0.09 0.01 0.03 99.81 02:20:14 all 0.23 0.00 0.07 0.01 0.04 99.65 02:20:14 0 0.27 0.00 0.06 0.01 0.03 99.63 02:20:14 1 0.19 0.00 0.08 0.01 0.04 99.68 02:30:10 all 0.27 0.00 0.16 0.01 0.03 99.52 02:30:10 0 0.07 0.00 0.19 0.00 0.04 99.70 02:30:10 1 0.47 0.00 0.14 0.02 0.03 99.35 02:40:01 all 0.39 0.00 0.10 0.02 0.03 99.46 02:40:01 0 0.28 0.00 0.13 0.01 0.04 99.54 02:40:01 1 0.49 0.00 0.07 0.03 0.03 99.38 02:50:14 all 0.59 0.00 0.12 0.02 0.03 99.25 02:50:14 0 0.39 0.00 0.17 0.01 0.03 99.40 02:50:14 1 0.79 0.00 0.07 0.02 0.02 99.10 Average: all 0.34 0.00 0.12 0.02 0.03 99.50 Average: 0 0.26 0.00 0.13 0.02 0.03 99.56 Average: 1 0.42 0.00 0.10 0.02 0.03 99.43