---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39259 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 8.1G 30G 22% / 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 780 4990 4 2465 7161 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:a8:52:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81765sec preferred_lft 81765sec inet6 fe80::f816:3eff:fea8:52f4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39259) 07/27/26 _x86_64_ (2 CPU) 01:48:00 LINUX RESTART (2 CPU) 01:50:41 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.51 0.03 1.47 0.02 1.33 18.15 700.21 02:10:12 1.74 0.25 1.47 0.02 30.44 74.29 0.89 02:20:32 1.28 0.01 1.26 0.02 1.03 15.32 1.10 02:30:01 14.63 0.00 1.39 13.24 0.15 17.17 115801.05 02:40:12 1.23 0.00 1.23 0.00 0.00 15.39 0.00 02:50:20 2.92 1.31 1.58 0.03 95.07 156.52 3.33 03:00:01 23.10 1.59 19.14 2.38 133.89 3706.99 510.48 Average: 6.48 0.45 3.87 2.15 37.40 560.13 15999.66 01:50:41 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6289160 7534624 285716 3.51 30552 1420808 531420 5.79 445328 1183344 240 02:10:12 6254480 7527308 292556 3.60 30940 1447432 731756 7.97 459728 1201592 284 02:20:32 6260020 7533692 286224 3.52 31140 1448064 533020 5.81 455840 1202112 212 02:30:01 6250016 7524228 295480 3.63 31312 1448408 531544 5.79 455032 1202600 124 02:40:12 6250016 7524760 294940 3.63 31484 1448776 531616 5.79 455400 1203132 212 02:50:20 6029608 7429260 383488 4.72 40860 1558396 621288 6.77 570740 1309484 56852 03:00:01 5058700 7344704 420704 5.17 87444 2357720 694500 7.56 644468 2122284 7216 Average: 6056000 7488368 322730 3.97 40533 1589943 596449 6.50 498077 1346364 9306 01:50:41 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 0.87 0.11 0.26 0.07 0.00 0.00 0.00 0.00 02:10:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:12 ens3 0.56 0.22 3.16 0.03 0.00 0.00 0.00 0.00 02:20:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:32 ens3 0.35 0.07 0.47 0.04 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 0.30 0.04 1.17 0.01 0.00 0.00 0.00 0.00 02:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:12 ens3 0.38 0.16 0.11 0.46 0.00 0.00 0.00 0.00 02:50:20 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:50:20 ens3 21.69 10.16 65.29 4.14 0.00 0.00 0.00 0.00 03:00:01 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 68.08 51.49 347.35 11.48 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 13.01 8.75 58.73 2.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39259) 07/27/26 _x86_64_ (2 CPU) 01:48:00 LINUX RESTART (2 CPU) 01:50:41 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.31 0.00 0.16 0.01 0.04 99.48 02:00:01 0 0.20 0.00 0.17 0.02 0.04 99.57 02:00:01 1 0.42 0.00 0.16 0.01 0.04 99.38 02:10:12 all 0.35 0.00 0.09 0.02 0.04 99.50 02:10:12 0 0.32 0.00 0.12 0.03 0.04 99.47 02:10:12 1 0.37 0.00 0.06 0.01 0.03 99.53 02:20:32 all 0.24 0.00 0.07 0.58 0.05 99.06 02:20:32 0 0.06 0.00 0.08 1.14 0.05 98.66 02:20:32 1 0.42 0.00 0.06 0.01 0.04 99.47 02:30:01 all 0.26 0.00 0.17 0.03 0.04 99.49 02:30:01 0 0.06 0.00 0.16 0.02 0.04 99.71 02:30:01 1 0.46 0.00 0.18 0.04 0.04 99.28 02:40:12 all 0.25 0.00 0.06 0.01 0.04 99.63 02:40:12 0 0.29 0.00 0.06 0.02 0.03 99.60 02:40:12 1 0.20 0.00 0.07 0.00 0.05 99.67 02:50:20 all 1.26 0.00 0.24 0.06 0.04 98.39 02:50:20 0 0.70 0.00 0.25 0.04 0.04 98.96 02:50:20 1 1.82 0.00 0.24 0.07 0.04 97.83 03:00:01 all 16.38 0.00 1.72 0.93 0.07 80.89 03:00:01 0 12.93 0.00 1.65 1.30 0.08 84.04 03:00:01 1 19.83 0.00 1.79 0.56 0.07 77.75 Average: all 2.67 0.00 0.35 0.23 0.05 96.70 Average: 0 2.04 0.00 0.35 0.37 0.05 97.19 Average: 1 3.29 0.00 0.36 0.10 0.04 96.21