---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27713 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 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 792 5092 4 2348 7148 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:32:df:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80467sec preferred_lft 80467sec inet6 fe80::f816:3eff:fe32:dfea/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-27713) 06/16/26 _x86_64_ (2 CPU) 01:47:57 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.48 0.03 1.45 0.01 1.24 17.54 436.30 02:10:14 13.63 0.01 1.35 12.27 0.20 16.24 106808.60 02:20:04 1.22 0.00 1.20 0.02 0.01 14.43 1.11 02:30:01 2.02 0.26 1.72 0.04 32.19 76.93 439.23 02:40:14 1.37 0.00 1.35 0.02 0.00 16.10 1.17 02:50:14 1.35 0.00 1.33 0.02 0.00 16.08 1.20 03:00:14 24.36 3.00 19.02 2.33 227.51 3566.44 891.28 03:10:04 1.41 0.00 1.41 0.00 0.00 42.53 0.03 03:20:14 1.63 0.00 1.62 0.00 0.00 59.10 0.03 Average: 5.40 0.37 3.38 1.66 28.93 424.06 12298.87 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6299004 7546268 274484 3.38 30532 1422412 527484 5.75 443052 1183292 160 02:10:14 6299004 7546860 273864 3.37 30744 1422788 527576 5.75 443192 1183856 136 02:20:04 6300868 7549272 271448 3.34 30952 1423124 527576 5.75 443216 1184400 188 02:30:01 6254232 7529860 290312 3.57 31368 1449540 527576 5.75 452444 1202152 168 02:40:14 6273392 7549676 270496 3.33 31568 1449992 527576 5.75 452968 1202680 172 02:50:14 6273152 7549984 270148 3.32 31780 1450320 527640 5.75 453032 1203220 208 03:00:14 5182772 7385140 382164 4.70 87004 2275552 660740 7.20 621876 2038116 292 03:10:04 5175800 7385932 381384 4.69 87144 2283196 670168 7.30 622668 2045900 404 03:20:14 5155432 7377792 389320 4.79 87332 2295288 727408 7.92 630624 2058136 436 Average: 5912628 7491198 311513 3.83 49825 1719135 580416 6.32 507008 1477972 240 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.56 0.07 0.18 0.03 0.00 0.00 0.00 0.00 02:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:14 ens3 0.35 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.59 0.03 5.53 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.41 0.23 3.16 0.03 0.00 0.00 0.00 0.00 02:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:14 ens3 0.28 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:14 ens3 0.31 0.08 0.10 0.05 0.00 0.00 0.00 0.00 03:00:14 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:14 ens3 78.72 54.18 319.36 12.50 0.00 0.00 0.00 0.00 03:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:04 ens3 22.76 19.59 3.99 2.38 0.00 0.00 0.00 0.00 03:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:14 ens3 35.56 34.65 6.45 4.35 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 15.60 12.10 37.56 2.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27713) 06/16/26 _x86_64_ (2 CPU) 01:47:57 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.30 0.00 0.17 0.01 0.03 99.50 02:00:01 0 0.10 0.00 0.20 0.01 0.04 99.65 02:00:01 1 0.49 0.00 0.14 0.01 0.03 99.34 02:10:14 all 0.27 0.00 0.09 0.03 0.03 99.59 02:10:14 0 0.06 0.00 0.11 0.07 0.03 99.74 02:10:14 1 0.48 0.00 0.06 0.00 0.02 99.44 02:20:04 all 0.25 0.00 0.07 1.03 0.03 98.62 02:20:04 0 0.32 0.00 0.07 1.31 0.03 98.28 02:20:04 1 0.18 0.00 0.08 0.74 0.03 98.96 02:30:01 all 0.38 0.00 0.19 0.04 0.03 99.38 02:30:01 0 0.30 0.00 0.16 0.01 0.02 99.51 02:30:01 1 0.45 0.00 0.21 0.06 0.03 99.25 02:40:14 all 0.27 0.00 0.07 0.01 0.02 99.63 02:40:14 0 0.08 0.00 0.09 0.02 0.02 99.80 02:40:14 1 0.45 0.00 0.06 0.01 0.02 99.46 02:50:14 all 0.27 0.00 0.07 0.03 0.03 99.60 02:50:14 0 0.06 0.00 0.09 0.01 0.02 99.82 02:50:14 1 0.47 0.00 0.06 0.06 0.03 99.39 03:00:14 all 14.37 0.00 1.99 0.56 0.06 83.01 03:00:14 0 13.93 0.00 1.88 0.47 0.07 83.66 03:00:14 1 14.81 0.00 2.11 0.66 0.06 82.37 03:10:04 all 4.03 0.00 0.34 0.01 0.05 95.57 03:10:04 0 4.36 0.00 0.35 0.01 0.05 95.22 03:10:04 1 3.69 0.00 0.34 0.01 0.04 95.92 03:20:14 all 6.00 0.00 0.51 0.01 0.06 93.42 03:20:14 0 6.69 0.00 0.58 0.01 0.06 92.67 03:20:14 1 5.31 0.00 0.45 0.01 0.05 94.17 Average: all 2.89 0.00 0.39 0.19 0.04 96.49 Average: 0 2.87 0.00 0.39 0.21 0.04 96.50 Average: 1 2.92 0.00 0.39 0.17 0.03 96.48