---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11252 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 8.0G 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 787 5103 4 2348 7154 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:70:41:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5987sec preferred_lft 5987sec inet6 fe80::f816:3eff:fe70:4190/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11252) 05/07/26 _x86_64_ (2 CPU) 00:00:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:24 1.68 0.01 1.65 0.01 0.81 19.85 432.55 00:20:01 1.85 0.11 1.71 0.03 3.17 23.68 724.99 00:30:02 3.54 1.34 2.14 0.06 96.01 181.76 435.80 00:40:24 22.62 1.76 18.77 2.09 129.39 2895.61 631.77 00:50:01 1.55 0.00 1.53 0.02 0.00 22.79 1.21 01:00:04 1.85 0.00 1.82 0.03 0.00 134.43 1.95 01:10:24 1.52 0.00 1.50 0.02 0.00 35.72 384.27 01:20:14 1.69 0.00 1.66 0.03 0.00 23.35 1.44 Average: 4.64 0.41 3.93 0.30 29.33 431.44 328.56 00:00:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:24 6098132 7496416 312236 3.84 53720 1540676 738492 8.04 481756 1312332 220 00:20:01 6133364 7493588 314900 3.87 53860 1502408 736272 8.02 480352 1273988 124 00:30:02 5926544 7405568 396508 4.88 63044 1606620 792920 8.64 560080 1374780 46076 00:40:24 5108800 7308660 452148 5.56 103604 2251568 886740 9.66 662112 2027316 260 00:50:01 5139068 7340976 419832 5.16 103712 2253508 845612 9.21 612616 2029368 292 01:00:04 5083556 7320464 440264 5.41 103832 2288380 888200 9.67 653176 2064356 380 01:10:24 5087448 7330224 430416 5.29 103940 2294064 856780 9.33 622068 2070144 316 01:20:14 5003656 7248592 512040 6.30 104072 2296060 898424 9.79 659268 2072276 456 Average: 5447571 7368061 409793 5.04 86223 2004160 830430 9.05 591428 1778070 6016 00:00:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:24 ens3 0.22 0.07 0.08 0.04 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 0.14 0.07 0.04 0.02 0.00 0.00 0.00 0.00 00:30:02 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:30:02 ens3 15.80 10.08 69.18 4.39 0.00 0.00 0.00 0.00 00:40:24 lo 1.26 1.26 0.08 0.08 0.00 0.00 0.00 0.00 00:40:24 ens3 56.72 43.13 360.06 8.15 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 15.09 13.91 145.76 1.26 0.00 0.00 0.00 0.00 01:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 6.95 5.95 49.81 0.73 0.00 0.00 0.00 0.00 01:10:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:24 ens3 18.27 17.19 137.72 2.28 0.00 0.00 0.00 0.00 01:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:14 ens3 21.63 20.87 255.73 2.17 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 17.12 14.11 128.63 2.42 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11252) 05/07/26 _x86_64_ (2 CPU) 00:00:24 CPU %user %nice %system %iowait %steal %idle 00:10:24 all 0.25 0.00 0.10 0.02 0.02 99.61 00:10:24 0 0.39 0.00 0.08 0.02 0.01 99.50 00:10:24 1 0.11 0.00 0.12 0.02 0.03 99.71 00:20:01 all 0.66 0.00 0.22 0.02 0.02 99.07 00:20:01 0 0.67 0.00 0.20 0.01 0.01 99.11 00:20:01 1 0.66 0.00 0.24 0.03 0.03 99.03 00:30:02 all 1.40 0.00 0.35 0.08 0.02 98.15 00:30:02 0 1.63 0.00 0.28 0.06 0.02 98.01 00:30:02 1 1.17 0.00 0.41 0.10 0.03 98.29 00:40:24 all 9.71 0.00 1.56 0.71 0.06 87.95 00:40:24 0 7.88 0.00 1.47 0.77 0.06 89.82 00:40:24 1 11.54 0.00 1.66 0.65 0.06 86.09 00:50:01 all 0.93 0.00 0.22 0.03 0.05 98.77 00:50:01 0 0.94 0.00 0.21 0.02 0.04 98.78 00:50:01 1 0.91 0.00 0.23 0.04 0.05 98.77 01:00:04 all 7.33 0.00 0.81 0.05 0.07 91.75 01:00:04 0 7.31 0.00 0.80 0.04 0.07 91.78 01:00:04 1 7.35 0.00 0.81 0.05 0.07 91.71 01:10:24 all 2.11 0.00 0.31 0.01 0.06 97.51 01:10:24 0 2.24 0.00 0.33 0.00 0.04 97.38 01:10:24 1 1.97 0.00 0.30 0.02 0.07 97.64 01:20:14 all 0.97 0.00 0.30 0.04 0.06 98.64 01:20:14 0 0.81 0.00 0.25 0.04 0.05 98.86 01:20:14 1 1.13 0.00 0.34 0.04 0.07 98.43 Average: all 2.96 0.00 0.49 0.12 0.05 96.38 Average: 0 2.77 0.00 0.46 0.12 0.04 96.61 Average: 1 3.16 0.00 0.52 0.12 0.05 96.14