---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26017 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 751 5201 4 2281 7190 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:fb:30:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.85/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81316sec preferred_lft 81316sec inet6 fe80::f816:3eff:fefb:307c/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-26017) 06/09/26 _x86_64_ (2 CPU) 01:48:49 LINUX RESTART (2 CPU) 01:50:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.25 0.03 1.21 0.01 1.29 16.06 678.47 02:10:01 0.95 0.01 0.95 0.00 0.05 12.40 0.00 02:20:23 1.10 0.03 1.08 0.00 2.08 14.18 0.04 02:30:01 1.10 0.00 1.09 0.02 0.00 14.93 678.49 02:40:01 14.08 0.26 1.27 12.55 31.12 72.84 109164.73 02:50:01 1.06 0.00 1.06 0.00 1.05 14.28 0.05 03:00:01 22.87 3.00 17.59 2.28 226.05 3433.31 480.27 03:10:01 1.01 0.00 1.00 0.01 0.00 19.36 0.08 Average: 5.45 0.42 3.16 1.87 32.86 451.65 13932.46 01:50:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6288612 7545800 274652 3.38 30624 1432140 528392 5.76 450744 1186684 124 02:10:01 6288388 7546212 274228 3.37 30800 1432604 528392 5.76 450848 1187188 56 02:20:23 6279620 7538612 281804 3.47 30980 1433568 528564 5.76 451652 1187780 52 02:30:01 6277044 7536556 283816 3.49 31156 1433900 528564 5.76 451764 1188288 44 02:40:01 6244412 7530688 289176 3.56 31512 1459988 724116 7.89 467124 1205912 44 02:50:01 6251464 7538720 281180 3.46 31684 1460756 528936 5.76 462160 1206440 160 03:00:01 5173516 7387256 379812 4.67 86912 2286976 635708 6.92 606048 2042768 124 03:10:01 5129248 7344996 422048 5.19 87032 2288888 658448 7.17 620752 2044776 160 Average: 5991538 7496105 310840 3.82 45088 1653602 582640 6.35 495136 1406230 96 01:50:23 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 1.50 0.08 0.20 0.04 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 0.47 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:20:23 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:20:23 ens3 0.48 0.07 1.43 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 0.32 0.03 0.20 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 1.28 0.40 3.36 0.59 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.56 0.11 0.17 0.09 0.00 0.00 0.00 0.00 03:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 71.10 47.57 329.95 11.78 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 12.76 10.98 107.36 1.05 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 11.10 7.44 55.60 1.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26017) 06/09/26 _x86_64_ (2 CPU) 01:48:49 LINUX RESTART (2 CPU) 01:50:23 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.30 0.00 0.17 0.01 0.04 99.49 02:00:01 0 0.19 0.00 0.19 0.01 0.04 99.57 02:00:01 1 0.40 0.00 0.15 0.01 0.03 99.41 02:10:01 all 0.25 0.00 0.07 0.01 0.04 99.63 02:10:01 0 0.26 0.00 0.07 0.00 0.03 99.63 02:10:01 1 0.24 0.00 0.08 0.01 0.04 99.63 02:20:23 all 0.29 0.00 0.08 0.02 0.04 99.58 02:20:23 0 0.27 0.00 0.08 0.00 0.04 99.61 02:20:23 1 0.31 0.00 0.08 0.03 0.04 99.55 02:30:01 all 0.24 0.00 0.17 0.01 0.03 99.55 02:30:01 0 0.41 0.00 0.15 0.01 0.03 99.41 02:30:01 1 0.08 0.00 0.18 0.00 0.04 99.70 02:40:01 all 0.45 0.00 0.10 0.04 0.03 99.38 02:40:01 0 0.32 0.00 0.07 0.01 0.03 99.58 02:40:01 1 0.58 0.00 0.14 0.07 0.03 99.18 02:50:01 all 0.23 0.00 0.07 0.01 0.03 99.66 02:50:01 0 0.14 0.00 0.07 0.01 0.03 99.75 02:50:01 1 0.32 0.00 0.07 0.02 0.02 99.57 03:00:01 all 12.44 0.00 1.89 0.56 0.07 85.04 03:00:01 0 15.73 0.00 2.13 0.71 0.07 81.35 03:00:01 1 9.15 0.00 1.64 0.41 0.06 88.73 03:10:01 all 0.88 0.00 0.22 0.01 0.05 98.84 03:10:01 0 0.99 0.00 0.22 0.01 0.05 98.73 03:10:01 1 0.78 0.00 0.22 0.01 0.05 98.95 Average: all 1.89 0.00 0.34 0.08 0.04 97.64 Average: 0 2.30 0.00 0.37 0.10 0.04 97.20 Average: 1 1.49 0.00 0.32 0.07 0.04 98.09