---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27980 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 777 5119 4 2346 7164 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:f0:20:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.59/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 6844sec preferred_lft 6844sec inet6 fe80::f816:3eff:fef0:20e3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27980) 06/18/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.77 0.01 1.74 0.01 0.81 20.64 432.30 00:20:08 1.89 0.11 1.76 0.03 3.02 24.19 743.26 00:30:01 1.89 0.00 1.88 0.01 0.00 20.71 438.19 00:40:01 24.30 2.98 19.07 2.25 224.99 3303.26 882.85 00:50:08 1.72 0.00 1.68 0.04 0.47 123.42 4.41 01:00:01 1.84 0.00 1.81 0.03 0.00 20.76 1.38 01:10:01 1.39 0.00 1.37 0.02 0.00 15.68 0.99 Average: 4.97 0.44 4.19 0.34 32.77 504.40 358.11 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6110592 7507092 301520 3.71 54312 1538088 598312 6.52 480416 1309272 392 00:20:08 6125532 7484008 324544 3.99 54472 1499848 595804 6.49 479056 1270976 292 00:30:01 6142868 7501768 306724 3.77 54592 1500144 595804 6.49 479104 1271384 144 00:40:01 5165212 7438548 317808 3.91 105436 2319204 621448 6.77 562316 2096176 26952 00:50:08 5120916 7395136 361300 4.44 105564 2320056 690132 7.52 604140 2096996 252 01:00:01 5111856 7386544 369868 4.55 105696 2320372 690132 7.52 604108 2097476 124 01:10:01 5118956 7394100 362308 4.46 105808 2320716 690132 7.52 604208 2097932 260 Average: 5556562 7443885 334867 4.12 83697 1974061 640252 6.97 544764 1748602 4059 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.33 0.07 0.09 0.04 0.00 0.00 0.00 0.00 00:20:08 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:08 ens3 0.17 0.05 0.04 0.02 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 0.55 0.13 0.18 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 68.03 46.06 314.59 12.09 0.00 0.00 0.00 0.00 00:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:08 ens3 4.19 1.04 0.88 0.25 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 0.89 0.26 0.13 0.05 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.77 0.28 0.13 0.05 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 10.71 6.85 45.16 1.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27980) 06/18/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.23 0.00 0.09 0.01 0.04 99.63 00:10:01 0 0.10 0.00 0.12 0.00 0.04 99.73 00:10:01 1 0.35 0.00 0.07 0.01 0.03 99.54 00:20:08 all 0.64 0.00 0.20 0.01 0.04 99.10 00:20:08 0 0.39 0.00 0.21 0.01 0.05 99.34 00:20:08 1 0.89 0.00 0.19 0.02 0.03 98.86 00:30:01 all 0.24 0.00 0.15 0.01 0.04 99.56 00:30:01 0 0.27 0.00 0.15 0.01 0.04 99.53 00:30:01 1 0.22 0.00 0.15 0.01 0.04 99.59 00:40:01 all 11.40 0.00 1.64 0.50 0.06 86.40 00:40:01 0 9.45 0.00 1.46 0.43 0.05 88.62 00:40:01 1 13.36 0.00 1.82 0.58 0.07 84.17 00:50:08 all 0.46 0.00 0.14 0.05 0.07 99.28 00:50:08 0 0.49 0.00 0.08 0.06 0.04 99.33 00:50:08 1 0.43 0.00 0.19 0.05 0.10 99.23 01:00:01 all 0.39 0.00 0.23 0.02 0.06 99.30 01:00:01 0 0.33 0.00 0.25 0.02 0.08 99.32 01:00:01 1 0.45 0.00 0.20 0.01 0.05 99.28 01:10:01 all 0.37 0.00 0.13 0.04 0.06 99.41 01:10:01 0 0.29 0.00 0.18 0.05 0.09 99.39 01:10:01 1 0.45 0.00 0.08 0.02 0.03 99.43 Average: all 1.96 0.00 0.37 0.09 0.05 97.53 Average: 0 1.62 0.00 0.35 0.08 0.06 97.89 Average: 1 2.31 0.00 0.39 0.10 0.05 97.16