---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53630 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: 5599.94 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 749 5249 4 2238 7192 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:cd:dd:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.222/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82135sec preferred_lft 82135sec inet6 fe80::f816:3eff:fecd:dd34/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53630) 03/28/26 _x86_64_ (2 CPU) 00:43:05 LINUX RESTART (2 CPU) 00:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:03 1.57 0.01 1.55 0.02 0.05 18.77 871.91 01:10:03 13.96 0.00 1.42 12.54 0.15 16.40 109179.86 01:20:03 2.02 0.32 1.69 0.01 40.08 73.37 0.29 01:30:03 1.59 0.00 1.57 0.02 0.00 19.13 878.73 01:40:03 15.59 13.54 2.00 0.05 151.12 43.51 6.33 01:50:03 23.37 3.16 17.97 2.24 231.19 3080.77 811.07 Average: 9.69 2.84 4.37 2.48 70.43 541.99 18624.70 00:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:03 6297484 7537876 283452 3.49 30108 1416456 526260 5.73 444960 1178896 176 01:10:03 6297484 7538436 282824 3.48 30284 1416828 526680 5.74 445156 1179416 184 01:20:03 6252212 7522164 298456 3.67 30672 1445036 527900 5.75 457208 1196636 188 01:30:03 6252592 7523100 297492 3.66 30872 1445364 527900 5.75 457144 1197164 188 01:40:03 6188568 7516300 295188 3.63 35016 1490116 528100 5.75 458480 1245324 192 01:50:03 5303748 7462232 301072 3.70 88400 2226324 561456 6.12 544464 1989032 2652 Average: 6098681 7516685 293081 3.60 40892 1573354 533049 5.81 467902 1331078 597 00:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.56 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.47 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:20:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.78 0.26 3.12 0.07 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.46 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.47 0.16 0.11 0.57 0.00 0.00 0.00 0.00 01:50:03 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 01:50:03 ens3 60.63 44.15 297.33 10.85 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 10.56 7.46 50.14 1.93 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53630) 03/28/26 _x86_64_ (2 CPU) 00:43:05 LINUX RESTART (2 CPU) 00:50:03 CPU %user %nice %system %iowait %steal %idle 01:00:03 all 0.23 0.00 0.17 0.01 0.03 99.56 01:00:03 0 0.38 0.00 0.15 0.02 0.03 99.42 01:00:03 1 0.07 0.00 0.20 0.00 0.04 99.69 01:10:03 all 0.26 0.00 0.09 0.04 0.03 99.58 01:10:03 0 0.46 0.00 0.06 0.02 0.02 99.44 01:10:03 1 0.06 0.00 0.11 0.06 0.04 99.73 01:20:03 all 0.36 0.00 0.13 0.03 0.03 99.45 01:20:03 0 0.45 0.00 0.11 0.02 0.03 99.40 01:20:03 1 0.27 0.00 0.14 0.04 0.04 99.51 01:30:03 all 0.23 0.00 0.16 0.01 0.04 99.56 01:30:03 0 0.41 0.00 0.15 0.01 0.03 99.41 01:30:03 1 0.06 0.00 0.17 0.02 0.04 99.72 01:40:03 all 0.25 0.18 0.13 0.15 0.04 99.25 01:40:03 0 0.38 0.35 0.16 0.29 0.03 98.78 01:40:03 1 0.13 0.01 0.10 0.00 0.05 99.72 01:50:03 all 10.52 0.00 1.59 0.59 0.05 87.25 01:50:03 0 14.79 0.00 1.96 0.87 0.04 82.34 01:50:03 1 6.25 0.00 1.22 0.32 0.05 92.17 Average: all 1.98 0.03 0.38 0.14 0.04 97.44 Average: 0 2.81 0.06 0.43 0.20 0.03 96.47 Average: 1 1.14 0.00 0.32 0.07 0.04 98.42