---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6527 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 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 755 5305 4 2169 7186 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:c4:75:af brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.239/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82144sec preferred_lft 82144sec inet6 fe80::f816:3eff:fec4:75af/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-6527) 03/21/26 _x86_64_ (2 CPU) 00:41:29 LINUX RESTART (2 CPU) 00:50:33 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:14 1.48 0.01 1.46 0.02 0.06 18.45 451.28 01:10:34 1.31 0.02 1.27 0.02 2.08 15.80 1.20 01:20:04 1.87 0.34 1.50 0.03 42.20 75.44 1.42 01:30:34 1.34 0.00 1.31 0.03 0.00 16.76 415.99 01:40:34 1.21 0.00 1.19 0.02 0.00 14.87 1.09 01:50:14 22.60 3.11 17.17 2.32 233.89 3175.10 651.93 Average: 4.86 0.56 3.91 0.39 44.97 537.51 252.56 00:50:33 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:14 6297904 7545496 275108 3.38 30736 1422520 531984 5.79 448076 1183448 136 01:10:34 6284624 7533424 287144 3.53 30960 1423532 532240 5.80 448972 1184092 200 01:20:04 6240964 7518732 301248 3.70 31352 1451684 532660 5.80 461296 1201292 196 01:30:34 6240552 7518932 301016 3.70 31584 1452048 532588 5.80 461144 1201876 200 01:40:34 6254572 7533596 286348 3.52 31768 1452500 532652 5.80 461240 1202388 176 01:50:14 5359268 7463624 308236 3.79 84960 2183604 561996 6.12 552840 1941600 2316 Average: 6112981 7518967 293183 3.61 40227 1564315 537353 5.85 472261 1319116 537 00:50:33 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:14 ens3 1.25 0.17 0.27 0.14 0.00 0.00 0.00 0.00 01:10:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:34 ens3 0.53 0.08 0.63 0.04 0.00 0.00 0.00 0.00 01:20:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.88 0.44 3.46 0.89 0.00 0.00 0.00 0.00 01:30:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:34 ens3 0.25 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:34 ens3 0.40 0.07 0.11 0.05 0.00 0.00 0.00 0.00 01:50:14 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 01:50:14 ens3 67.49 43.61 305.60 11.25 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 11.48 7.20 50.24 2.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6527) 03/21/26 _x86_64_ (2 CPU) 00:41:29 LINUX RESTART (2 CPU) 00:50:33 CPU %user %nice %system %iowait %steal %idle 01:00:14 all 0.32 0.00 0.17 0.01 0.02 99.48 01:00:14 0 0.32 0.00 0.16 0.01 0.02 99.50 01:00:14 1 0.32 0.00 0.18 0.02 0.02 99.47 01:10:34 all 0.28 0.00 0.08 0.01 0.02 99.61 01:10:34 0 0.10 0.00 0.10 0.01 0.02 99.77 01:10:34 1 0.45 0.00 0.06 0.01 0.02 99.46 01:20:04 all 0.38 0.00 0.11 0.03 0.02 99.46 01:20:04 0 0.47 0.00 0.08 0.02 0.01 99.42 01:20:04 1 0.30 0.00 0.14 0.03 0.02 99.50 01:30:34 all 0.29 0.00 0.15 0.01 0.02 99.54 01:30:34 0 0.29 0.00 0.14 0.01 0.02 99.55 01:30:34 1 0.29 0.00 0.15 0.01 0.02 99.52 01:40:34 all 0.24 0.00 0.06 0.01 0.02 99.67 01:40:34 0 0.41 0.00 0.04 0.02 0.01 99.51 01:40:34 1 0.06 0.00 0.09 0.00 0.02 99.82 01:50:14 all 10.89 0.00 1.69 0.78 0.04 86.59 01:50:14 0 14.99 0.00 1.94 0.52 0.04 82.51 01:50:14 1 6.79 0.00 1.44 1.05 0.04 90.68 Average: all 2.01 0.00 0.37 0.14 0.02 97.46 Average: 0 2.69 0.00 0.40 0.10 0.02 96.79 Average: 1 1.34 0.00 0.34 0.18 0.02 98.12