---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22152 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 8.2G 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 735 5015 4 2481 7205 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:ab:56:b3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82727sec preferred_lft 82727sec inet6 fe80::f816:3eff:feab:56b3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22152) 03/24/26 _x86_64_ (2 CPU) 00:39:14 LINUX RESTART (2 CPU) 00:40:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:37 17.37 1.62 13.70 2.05 125.01 2592.76 1030.34 01:00:37 1.47 0.01 1.43 0.03 0.05 18.63 1.43 01:10:08 2.13 0.34 1.75 0.04 42.06 192.11 424.89 01:20:18 1.59 0.02 1.55 0.02 0.60 330.90 3.36 01:30:37 1.70 0.00 1.66 0.04 0.00 66.52 3.82 01:40:08 6.30 0.08 4.81 1.40 6.42 855.53 3221.71 Average: 5.16 0.35 4.20 0.60 29.48 686.58 759.91 00:40:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:37 5128060 7203744 568936 7.00 83768 2156552 809284 8.81 758372 1925720 132 01:00:37 5200600 7276868 495504 6.09 83924 2156980 730344 7.95 678424 1926304 132 01:10:08 5168176 7314768 457072 5.62 84252 2226580 733076 7.98 676724 1984856 8672 01:20:18 4927688 7163200 607164 7.47 84440 2314132 889204 9.69 832816 2072432 188 01:30:37 4897504 7148040 622016 7.65 84644 2328692 900492 9.81 844480 2087228 48 01:40:08 5150512 7391068 386516 4.75 87532 2322740 631508 6.88 618288 2082432 14972 Average: 5078757 7249615 522868 6.43 84760 2250946 782318 8.52 734851 2013162 4024 00:40:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:37 lo 1.24 1.24 0.07 0.07 0.00 0.00 0.00 0.00 00:50:37 ens3 64.29 50.57 576.45 7.92 0.00 0.00 0.00 0.00 01:00:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:37 ens3 34.67 32.32 533.40 2.15 0.00 0.00 0.00 0.00 01:10:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 74.73 71.97 1236.75 4.75 0.00 0.00 0.00 0.00 01:20:18 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:20:18 ens3 26.34 24.81 406.85 1.70 0.00 0.00 0.00 0.00 01:30:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:37 ens3 20.23 18.77 312.95 1.27 0.00 0.00 0.00 0.00 01:40:08 lo 1.08 1.08 0.07 0.07 0.00 0.00 0.00 0.00 01:40:08 ens3 35.41 28.19 311.39 23.45 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 42.39 37.53 558.01 6.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22152) 03/24/26 _x86_64_ (2 CPU) 00:39:14 LINUX RESTART (2 CPU) 00:40:14 CPU %user %nice %system %iowait %steal %idle 00:50:37 all 8.31 0.00 1.46 0.38 0.08 89.77 00:50:37 0 9.94 0.00 1.53 0.51 0.08 87.94 00:50:37 1 6.69 0.00 1.39 0.25 0.09 91.59 01:00:37 all 0.62 0.00 0.37 0.01 0.08 98.92 01:00:37 0 0.64 0.00 0.49 0.01 0.10 98.76 01:00:37 1 0.60 0.00 0.25 0.01 0.06 99.08 01:10:08 all 1.23 0.00 0.58 0.03 0.09 98.08 01:10:08 0 1.48 0.00 0.85 0.02 0.12 97.52 01:10:08 1 0.97 0.00 0.30 0.03 0.06 98.64 01:20:18 all 0.82 0.00 0.21 0.01 0.09 98.86 01:20:18 0 0.74 0.00 0.19 0.01 0.09 98.97 01:20:18 1 0.90 0.00 0.23 0.02 0.10 98.76 01:30:37 all 0.56 0.00 0.30 0.01 0.09 99.03 01:30:37 0 0.50 0.00 0.18 0.02 0.05 99.24 01:30:37 1 0.62 0.00 0.42 0.00 0.13 98.83 01:40:08 all 5.02 0.00 0.64 0.12 0.08 94.14 01:40:08 0 6.69 0.00 0.67 0.08 0.08 92.48 01:40:08 1 3.34 0.00 0.60 0.16 0.09 95.81 Average: all 2.77 0.00 0.59 0.10 0.09 96.45 Average: 0 3.34 0.00 0.65 0.11 0.09 95.81 Average: 1 2.21 0.00 0.53 0.08 0.09 97.09