---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25987 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: 5600.00 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 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 798 5075 4 2360 7143 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:95:2a:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.187/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81159sec preferred_lft 81159sec inet6 fe80::f816:3eff:fe95:2a99/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25987) 06/09/26 _x86_64_ (2 CPU) 00:41:40 LINUX RESTART (2 CPU) 00:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.44 0.01 1.42 0.02 0.05 17.76 664.11 01:10:01 1.32 0.00 1.30 0.02 0.00 15.72 1.20 01:20:11 1.90 0.25 1.63 0.02 31.51 74.21 0.58 01:30:01 1.53 0.00 1.51 0.02 0.00 18.52 664.39 01:40:01 1.35 0.00 1.35 0.00 0.00 15.84 0.00 01:50:11 23.15 2.96 17.94 2.25 223.85 3438.10 518.93 02:00:01 1.60 0.00 1.58 0.02 0.00 62.20 0.28 Average: 4.67 0.47 3.86 0.34 37.16 529.35 262.95 00:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6291724 7543320 277304 3.41 30764 1426472 533708 5.81 444980 1187768 124 01:10:01 6304232 7556380 264228 3.25 30980 1426800 533880 5.81 445016 1188312 252 01:20:11 6254352 7533576 286600 3.52 31348 1453148 533876 5.81 454748 1205952 176 01:30:01 6258048 7537808 282344 3.47 31532 1453476 534068 5.82 456056 1206464 268 01:40:01 6265636 7546032 274152 3.37 31708 1453928 534100 5.82 456232 1206964 248 01:50:11 5189064 7401608 365796 4.50 86920 2285808 648340 7.06 606924 2048488 272 02:00:01 5165916 7391556 375708 4.62 87060 2298756 651360 7.09 609340 2061584 704 Average: 5961282 7501469 303733 3.73 47187 1685484 567047 6.18 496185 1443647 292 00:50:10 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 0.65 0.08 0.10 0.04 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.32 0.05 0.06 0.03 0.00 0.00 0.00 0.00 01:20:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:11 ens3 0.71 0.25 3.17 0.07 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 0.44 0.17 0.09 0.53 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.48 0.09 0.15 0.08 0.00 0.00 0.00 0.00 01:50:11 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:11 ens3 73.00 53.87 314.15 11.69 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 38.19 33.25 8.71 4.93 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 16.37 12.61 47.45 2.50 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25987) 06/09/26 _x86_64_ (2 CPU) 00:41:40 LINUX RESTART (2 CPU) 00:50:10 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.18 0.01 0.03 99.49 01:00:01 0 0.26 0.00 0.17 0.01 0.03 99.53 01:00:01 1 0.33 0.00 0.18 0.01 0.03 99.46 01:10:01 all 0.25 0.00 0.08 0.01 0.04 99.63 01:10:01 0 0.30 0.00 0.07 0.01 0.03 99.59 01:10:01 1 0.20 0.00 0.08 0.01 0.04 99.66 01:20:11 all 0.36 0.00 0.10 0.02 0.04 99.48 01:20:11 0 0.40 0.00 0.09 0.03 0.03 99.45 01:20:11 1 0.32 0.00 0.11 0.02 0.04 99.51 01:30:01 all 0.28 0.00 0.17 0.01 0.04 99.50 01:30:01 0 0.30 0.00 0.18 0.00 0.04 99.48 01:30:01 1 0.26 0.00 0.16 0.02 0.04 99.51 01:40:01 all 0.24 0.00 0.06 0.01 0.03 99.65 01:40:01 0 0.41 0.00 0.05 0.01 0.02 99.51 01:40:01 1 0.07 0.00 0.08 0.02 0.04 99.80 01:50:11 all 14.26 0.00 1.82 0.56 0.07 83.30 01:50:11 0 15.76 0.00 1.90 0.33 0.07 81.93 01:50:11 1 12.75 0.00 1.73 0.79 0.07 84.66 02:00:01 all 6.01 0.00 0.66 0.01 0.07 93.25 02:00:01 0 4.95 0.00 0.70 0.01 0.07 94.27 02:00:01 1 7.06 0.00 0.61 0.01 0.08 92.24 Average: all 3.11 0.00 0.44 0.09 0.05 96.31 Average: 0 3.22 0.00 0.45 0.06 0.04 96.23 Average: 1 3.00 0.00 0.42 0.13 0.05 96.40