---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25993 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 741 5212 4 2280 7200 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:d9:61:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.169/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81936sec preferred_lft 81936sec inet6 fe80::f816:3eff:fed9:617a/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-25993) 06/09/26 _x86_64_ (2 CPU) 00:41:55 LINUX RESTART (2 CPU) 00:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.42 0.01 1.40 0.01 0.05 16.88 441.72 01:10:09 1.26 0.00 1.25 0.02 0.00 14.80 1.30 01:20:09 1.18 0.00 1.16 0.02 0.01 14.17 1.20 01:30:01 1.33 0.00 1.31 0.03 0.00 15.89 442.81 01:40:09 2.05 0.50 1.52 0.03 40.17 89.95 1.41 01:50:09 23.49 2.75 18.45 2.30 218.83 3463.52 579.20 Average: 5.12 0.54 4.18 0.40 43.27 602.70 242.72 00:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6297824 7544768 275336 3.39 30664 1422188 532420 5.80 443704 1183496 188 01:10:09 6305636 7553108 267024 3.28 30876 1422508 532616 5.80 444048 1184020 176 01:20:09 6308436 7556460 263672 3.24 31080 1422840 532652 5.80 442024 1184564 204 01:30:01 6298012 7546548 273516 3.36 31276 1423168 532764 5.80 441880 1185064 160 01:40:09 6239340 7522908 296604 3.65 31704 1457312 538724 5.87 458876 1209636 136 01:50:09 5206636 7412960 353804 4.35 86800 2279936 635160 6.92 590136 2042620 288 Average: 6109314 7522792 288326 3.55 40400 1571325 550723 6.00 470111 1331567 192 00:50:09 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 0.69 0.07 0.21 0.03 0.00 0.00 0.00 0.00 01:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:09 ens3 0.33 0.06 0.06 0.03 0.00 0.00 0.00 0.00 01:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 0.52 0.11 0.14 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.33 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:40:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 4.93 2.07 13.00 1.25 0.00 0.00 0.00 0.00 01:50:09 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:09 ens3 110.68 76.36 316.88 17.15 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 19.59 13.13 55.09 3.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25993) 06/09/26 _x86_64_ (2 CPU) 00:41:55 LINUX RESTART (2 CPU) 00:50:09 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.25 0.00 0.15 0.01 0.04 99.54 01:00:01 0 0.12 0.00 0.16 0.02 0.05 99.65 01:00:01 1 0.38 0.00 0.14 0.00 0.04 99.44 01:10:09 all 0.24 0.00 0.06 0.01 0.04 99.64 01:10:09 0 0.04 0.00 0.06 0.01 0.05 99.84 01:10:09 1 0.43 0.00 0.07 0.01 0.04 99.45 01:20:09 all 0.24 0.00 0.07 0.01 0.05 99.64 01:20:09 0 0.05 0.00 0.07 0.02 0.05 99.80 01:20:09 1 0.42 0.00 0.06 0.01 0.04 99.47 01:30:01 all 0.28 0.00 0.15 0.01 0.04 99.51 01:30:01 0 0.27 0.00 0.14 0.01 0.04 99.53 01:30:01 1 0.28 0.00 0.17 0.01 0.05 99.50 01:40:09 all 0.45 0.00 0.10 0.02 0.04 99.39 01:40:09 0 0.42 0.00 0.12 0.04 0.04 99.39 01:40:09 1 0.48 0.00 0.08 0.01 0.04 99.38 01:50:09 all 14.19 0.00 2.03 0.54 0.07 83.16 01:50:09 0 12.34 0.00 1.91 0.59 0.08 85.07 01:50:09 1 16.04 0.00 2.15 0.49 0.07 81.26 Average: all 2.60 0.00 0.43 0.10 0.05 96.82 Average: 0 2.21 0.00 0.41 0.12 0.05 97.22 Average: 1 3.00 0.00 0.45 0.09 0.05 96.42