---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23540 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 754 5223 4 2255 7187 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:54:03:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.67/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81269sec preferred_lft 81269sec inet6 fe80::f816:3eff:fe54:373/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23540) 06/04/26 _x86_64_ (2 CPU) 00:42:41 LINUX RESTART (2 CPU) 00:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:08 1.57 0.01 1.55 0.02 0.05 18.76 872.17 01:10:08 1.67 0.25 1.41 0.01 30.97 72.57 0.17 01:20:08 13.75 0.01 1.19 12.55 0.16 14.33 109123.84 01:30:08 1.31 0.00 1.29 0.03 0.00 16.55 436.71 01:40:08 1.18 0.00 1.17 0.02 0.00 14.45 0.99 01:50:08 24.38 3.03 19.06 2.29 228.08 3417.97 736.24 02:00:08 1.47 0.00 1.45 0.02 0.00 18.40 0.44 Average: 6.48 0.47 3.87 2.13 37.04 510.43 15881.25 00:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:08 6299728 7546664 273688 3.37 30620 1421992 529288 5.76 444736 1183344 108 01:10:08 6244004 7517620 302308 3.72 30960 1448000 722864 7.87 458104 1200916 200 01:20:08 6243252 7517468 302412 3.72 31152 1448368 722928 7.87 458516 1201460 220 01:30:08 6241756 7516580 303148 3.73 31392 1448696 723784 7.88 459704 1202028 248 01:40:08 6249092 7524576 295140 3.63 31596 1449152 723916 7.88 460032 1202552 260 01:50:08 5226956 7418976 348620 4.29 86436 2266284 821644 8.95 586788 2028976 120 02:00:08 5214008 7406556 360964 4.44 86584 2266664 822736 8.96 586984 2029500 212 Average: 5959828 7492634 312326 3.84 46963 1678451 723880 7.88 493552 1435539 195 00:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 0.77 0.07 0.10 0.03 0.00 0.00 0.00 0.00 01:10:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 0.86 0.22 10.33 0.05 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.65 0.09 0.56 0.06 0.00 0.00 0.00 0.00 01:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 0.31 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 0.47 0.12 0.15 0.08 0.00 0.00 0.00 0.00 01:50:08 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:08 ens3 64.28 45.20 315.98 11.67 0.00 0.00 0.00 0.00 02:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:08 ens3 1.70 0.22 0.24 0.06 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.86 6.57 46.77 1.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23540) 06/04/26 _x86_64_ (2 CPU) 00:42:41 LINUX RESTART (2 CPU) 00:50:08 CPU %user %nice %system %iowait %steal %idle 01:00:08 all 0.25 0.00 0.18 0.01 0.04 99.52 01:00:08 0 0.11 0.00 0.19 0.01 0.04 99.65 01:00:08 1 0.39 0.00 0.17 0.01 0.03 99.40 01:10:08 all 0.38 0.00 0.10 0.02 0.03 99.47 01:10:08 0 0.46 0.00 0.07 0.02 0.03 99.42 01:10:08 1 0.29 0.00 0.13 0.02 0.04 99.52 01:20:08 all 0.25 0.00 0.09 0.03 0.04 99.59 01:20:08 0 0.10 0.00 0.11 0.05 0.04 99.70 01:20:08 1 0.41 0.00 0.07 0.01 0.04 99.47 01:30:08 all 0.24 0.00 0.16 0.01 0.04 99.55 01:30:08 0 0.25 0.00 0.17 0.01 0.04 99.54 01:30:08 1 0.23 0.00 0.16 0.02 0.04 99.56 01:40:08 all 0.21 0.00 0.08 0.01 0.04 99.67 01:40:08 0 0.37 0.00 0.07 0.01 0.02 99.53 01:40:08 1 0.05 0.00 0.08 0.01 0.05 99.80 01:50:08 all 11.50 0.00 1.71 0.55 0.06 86.19 01:50:08 0 8.26 0.00 1.55 0.66 0.07 89.46 01:50:08 1 14.72 0.00 1.87 0.44 0.05 82.92 02:00:08 all 0.43 0.00 0.21 0.01 0.06 99.29 02:00:08 0 0.33 0.00 0.26 0.01 0.10 99.30 02:00:08 1 0.53 0.00 0.15 0.01 0.03 99.28 Average: all 1.89 0.00 0.36 0.09 0.04 97.61 Average: 0 1.41 0.00 0.34 0.11 0.05 98.09 Average: 1 2.37 0.00 0.38 0.08 0.04 97.14