---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-489 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 749 5212 4 2273 7192 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:25:c8:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.254/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82170sec preferred_lft 82170sec inet6 fe80::f816:3eff:fe25:c82e/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-489) 07/30/26 _x86_64_ (2 CPU) 01:46:23 LINUX RESTART (2 CPU) 01:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.68 0.03 1.64 0.01 1.28 19.55 449.27 02:10:19 2.09 0.26 1.81 0.03 31.16 76.61 1.17 02:20:19 1.41 0.00 1.39 0.01 0.01 15.87 0.84 02:30:01 1.57 0.00 1.55 0.01 0.00 18.30 448.64 02:40:09 13.79 0.00 1.41 12.38 0.14 16.90 107699.21 02:50:05 13.91 1.51 11.46 0.94 112.21 2311.18 244.48 Average: 5.77 0.30 3.21 2.26 24.24 408.77 18442.72 01:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6295672 7542544 277704 3.41 30640 1421920 530948 5.78 441296 1183420 124 02:10:19 6254012 7528584 291308 3.58 31048 1448852 530948 5.78 450516 1201680 140 02:20:19 6253524 7528604 291272 3.58 31232 1449168 531116 5.78 450672 1202184 124 02:30:01 6255116 7530720 289036 3.55 31400 1449500 531248 5.79 454396 1202684 128 02:40:09 6261920 7538068 281692 3.46 31552 1449876 531920 5.79 455464 1203184 220 02:50:05 5477080 7412664 367048 4.51 71816 2034936 635060 6.92 569168 1812116 50380 Average: 6132887 7513531 299677 3.68 37948 1542375 548540 5.97 470252 1300878 8519 01:50:19 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 0.64 0.05 0.07 0.01 0.00 0.00 0.00 0.00 02:10:19 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:19 ens3 1.09 0.43 7.17 0.04 0.00 0.00 0.00 0.00 02:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:19 ens3 0.26 0.05 0.08 0.03 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 0.65 0.21 0.84 0.54 0.00 0.00 0.00 0.00 02:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:09 ens3 6.05 3.65 4.08 2.75 0.00 0.00 0.00 0.00 02:50:05 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 02:50:05 ens3 34.45 23.70 278.12 10.07 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.19 4.68 48.29 2.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-489) 07/30/26 _x86_64_ (2 CPU) 01:46:23 LINUX RESTART (2 CPU) 01:50:19 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.28 0.00 0.16 0.01 0.03 99.52 02:00:01 0 0.26 0.00 0.17 0.01 0.03 99.54 02:00:01 1 0.30 0.00 0.15 0.02 0.03 99.51 02:10:19 all 0.36 0.00 0.10 0.02 0.03 99.49 02:10:19 0 0.25 0.00 0.13 0.04 0.03 99.54 02:10:19 1 0.46 0.00 0.06 0.00 0.02 99.45 02:20:19 all 0.28 0.00 0.07 0.01 0.03 99.62 02:20:19 0 0.05 0.00 0.08 0.01 0.03 99.84 02:20:19 1 0.51 0.00 0.05 0.02 0.02 99.39 02:30:01 all 0.33 0.00 0.15 0.01 0.03 99.48 02:30:01 0 0.14 0.00 0.18 0.01 0.03 99.64 02:30:01 1 0.51 0.00 0.13 0.01 0.02 99.33 02:40:09 all 0.37 0.00 0.10 0.03 0.03 99.47 02:40:09 0 0.18 0.00 0.12 0.06 0.03 99.61 02:40:09 1 0.56 0.00 0.08 0.01 0.02 99.33 02:50:05 all 6.32 0.00 0.88 0.36 0.04 92.41 02:50:05 0 8.37 0.00 0.96 0.29 0.04 90.34 02:50:05 1 4.27 0.00 0.79 0.42 0.04 94.48 Average: all 1.32 0.00 0.24 0.07 0.03 98.34 Average: 0 1.54 0.00 0.27 0.07 0.03 98.09 Average: 1 1.10 0.00 0.21 0.08 0.03 98.58