---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2337 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: 5599.99 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 750 5222 4 2258 7191 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:ca:af:8e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79391sec preferred_lft 79391sec inet6 fe80::f816:3eff:feca:af8e/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-2337) 04/13/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:08 1.34 0.01 1.30 0.03 0.81 16.91 432.64 00:20:01 1.47 0.11 1.34 0.02 3.52 17.97 436.02 00:30:01 1.37 0.00 1.36 0.01 0.00 17.14 435.98 00:40:02 22.19 3.34 16.62 2.23 267.12 3173.59 548.29 00:50:01 1.30 0.01 1.27 0.02 1.05 21.40 2.02 01:00:01 1.51 0.00 1.47 0.04 0.00 24.78 1.49 01:10:05 1.65 0.01 1.59 0.05 0.60 136.69 396.91 01:20:01 15.00 0.00 1.42 13.58 0.15 35.32 107407.57 01:30:01 1.61 0.00 1.57 0.05 0.00 26.31 3.86 Average: 5.27 0.39 3.11 1.77 30.41 386.27 12106.06 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:08 6275036 7522532 298000 3.66 30968 1422436 532728 5.80 455588 1184292 184 00:20:01 6270900 7519072 301408 3.71 31300 1422700 531884 5.79 455560 1184672 240 00:30:01 6289268 7537960 282468 3.47 31472 1423028 532092 5.80 455932 1185172 240 00:40:02 5291528 7401680 369712 4.55 85128 2189260 845784 9.21 602148 1948312 248 00:50:01 5246000 7358588 413044 5.08 85288 2191600 649092 7.07 598272 1950496 400 01:00:01 5243104 7357400 414256 5.09 85464 2193144 667772 7.27 617464 1952212 240 01:10:05 5225564 7376700 394896 4.86 85732 2229624 656552 7.15 605064 1988848 1392 01:20:01 5058328 7214168 557228 6.85 85884 2234128 691852 7.54 640840 1993332 280 01:30:01 5159256 7317240 454076 5.58 86068 2236048 691880 7.54 640832 1995452 240 Average: 5562109 7400593 387232 4.76 67478 1949108 644404 7.02 563522 1709199 385 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:08 ens3 0.39 0.07 0.11 0.06 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.34 0.08 0.09 0.04 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.46 0.21 0.12 0.66 0.00 0.00 0.00 0.00 00:40:02 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 00:40:02 ens3 70.54 46.94 302.76 12.00 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 23.93 20.60 252.13 1.78 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 6.60 5.95 33.26 0.73 0.00 0.00 0.00 0.00 01:10:05 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 15.20 14.10 156.10 1.57 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 18.31 17.24 170.68 1.79 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 14.05 13.47 140.46 1.19 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 16.66 13.19 117.32 2.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2337) 04/13/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:08 all 0.30 0.00 0.10 0.04 0.03 99.54 00:10:08 0 0.45 0.00 0.09 0.05 0.02 99.39 00:10:08 1 0.15 0.00 0.10 0.02 0.03 99.69 00:20:01 all 0.47 0.00 0.20 0.01 0.03 99.29 00:20:01 0 0.66 0.00 0.21 0.01 0.02 99.10 00:20:01 1 0.27 0.00 0.20 0.02 0.03 99.48 00:30:01 all 0.23 0.00 0.14 0.01 0.02 99.59 00:30:01 0 0.18 0.00 0.14 0.00 0.03 99.65 00:30:01 1 0.29 0.00 0.14 0.03 0.02 99.52 00:40:02 all 11.08 0.00 1.70 0.53 0.05 86.64 00:40:02 0 11.35 0.00 1.74 0.29 0.05 86.58 00:40:02 1 10.81 0.00 1.66 0.78 0.05 86.70 00:50:01 all 0.96 0.00 0.27 0.01 0.05 98.72 00:50:01 0 0.97 0.00 0.24 0.00 0.05 98.75 00:50:01 1 0.95 0.00 0.30 0.02 0.06 98.68 01:00:01 all 3.59 0.00 0.47 0.01 0.06 95.87 01:00:01 0 4.18 0.00 0.50 0.01 0.05 95.26 01:00:01 1 3.01 0.00 0.43 0.01 0.07 96.48 01:10:05 all 4.49 0.00 0.49 0.01 0.06 94.94 01:10:05 0 7.40 0.00 0.76 0.01 0.07 91.76 01:10:05 1 1.68 0.00 0.22 0.01 0.05 98.03 01:20:01 all 1.66 0.00 0.34 0.47 0.04 97.49 01:20:01 0 1.47 0.00 0.32 0.90 0.04 97.27 01:20:01 1 1.85 0.00 0.36 0.04 0.04 97.71 01:30:01 all 0.97 0.00 0.32 0.01 0.04 98.66 01:30:01 0 1.17 0.00 0.36 0.02 0.04 98.42 01:30:01 1 0.78 0.00 0.28 0.01 0.03 98.90 Average: all 2.64 0.00 0.45 0.12 0.04 96.75 Average: 0 3.08 0.00 0.48 0.14 0.04 96.25 Average: 1 2.20 0.00 0.41 0.10 0.04 97.24