---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1143 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 786 5263 4 2180 7155 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:c1:d8:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.29/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81322sec preferred_lft 81322sec inet6 fe80::f816:3eff:fec1:d8d2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1143) 04/08/26 _x86_64_ (2 CPU) 01:48:23 LINUX RESTART (2 CPU) 01:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:00 1.64 0.05 1.58 0.01 3.39 19.15 436.07 02:10:00 1.38 0.01 1.36 0.01 0.05 15.60 0.84 02:20:00 1.36 0.00 1.34 0.02 0.01 15.36 1.20 02:30:00 1.58 0.00 1.55 0.03 0.00 18.33 654.99 02:40:00 1.35 0.00 1.33 0.02 0.00 15.56 1.20 02:50:00 2.22 0.57 1.61 0.03 48.75 89.91 1.45 03:00:00 36.17 2.76 17.99 15.42 217.68 3162.13 109068.00 03:10:00 1.26 0.00 1.25 0.01 0.00 20.93 0.08 Average: 5.87 0.42 3.50 1.94 33.74 419.63 13770.73 01:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:00 6281796 7529204 291260 3.58 30548 1422760 524048 5.71 445368 1183168 172 02:10:00 6282024 7529980 290484 3.57 30760 1423092 524048 5.71 445424 1183712 124 02:20:00 6282088 7530580 289876 3.56 30972 1423412 524208 5.71 445488 1184244 124 02:30:00 6277096 7526148 294292 3.62 31180 1423744 524200 5.71 445656 1184784 124 02:40:00 6277096 7526684 293752 3.61 31380 1424072 524200 5.71 445960 1185312 124 02:50:00 6241696 7528292 291444 3.58 31828 1460172 531144 5.79 465936 1209528 164 03:00:00 5268508 7378580 393008 4.83 85108 2189288 638480 6.95 604712 1947748 140 03:10:00 5224532 7336640 434944 5.35 85244 2191192 661336 7.20 619488 1949784 224 Average: 6016854 7485764 322382 3.96 44628 1619716 556458 6.06 489754 1378535 150 01:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 1.32 0.11 0.18 0.04 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.80 0.03 8.02 0.01 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.24 0.02 0.05 0.01 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.21 0.05 0.04 0.02 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.30 0.06 0.08 0.03 0.00 0.00 0.00 0.00 02:50:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 3.50 2.45 12.94 1.06 0.00 0.00 0.00 0.00 03:00:00 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 03:00:00 ens3 61.42 44.84 300.69 10.65 0.00 0.00 0.00 0.00 03:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:00 ens3 13.18 11.92 107.29 1.07 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 10.12 7.44 53.66 1.61 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1143) 04/08/26 _x86_64_ (2 CPU) 01:48:23 LINUX RESTART (2 CPU) 01:50:00 CPU %user %nice %system %iowait %steal %idle 02:00:00 all 0.31 0.00 0.19 0.01 0.04 99.45 02:00:00 0 0.16 0.00 0.20 0.01 0.05 99.59 02:00:00 1 0.47 0.00 0.18 0.02 0.03 99.30 02:10:00 all 0.25 0.00 0.08 0.02 0.03 99.62 02:10:00 0 0.06 0.00 0.09 0.03 0.04 99.78 02:10:00 1 0.44 0.00 0.07 0.00 0.03 99.46 02:20:00 all 0.23 0.00 0.07 0.03 0.04 99.63 02:20:00 0 0.13 0.00 0.08 0.02 0.04 99.73 02:20:00 1 0.33 0.00 0.06 0.05 0.03 99.53 02:30:00 all 0.30 0.00 0.16 0.09 0.03 99.42 02:30:00 0 0.32 0.00 0.16 0.06 0.03 99.44 02:30:00 1 0.28 0.00 0.16 0.12 0.03 99.40 02:40:00 all 0.26 0.00 0.08 0.07 0.03 99.57 02:40:00 0 0.07 0.00 0.10 0.03 0.03 99.78 02:40:00 1 0.45 0.00 0.06 0.10 0.03 99.36 02:50:00 all 0.48 0.00 0.13 0.11 0.03 99.26 02:50:00 0 0.31 0.00 0.15 0.19 0.03 99.32 02:50:00 1 0.65 0.00 0.11 0.02 0.02 99.20 03:00:00 all 11.22 0.00 1.85 3.75 0.06 83.12 03:00:00 0 10.21 0.00 1.75 1.20 0.06 86.78 03:00:00 1 12.23 0.00 1.95 6.30 0.06 79.46 03:10:00 all 0.91 0.00 0.21 0.01 0.06 98.81 03:10:00 0 0.79 0.00 0.16 0.00 0.05 99.00 03:10:00 1 1.04 0.00 0.27 0.01 0.08 98.61 Average: all 1.74 0.00 0.35 0.51 0.04 97.36 Average: 0 1.50 0.00 0.34 0.19 0.04 97.93 Average: 1 1.98 0.00 0.36 0.82 0.04 96.80