---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20187 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 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 777 5107 4 2348 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:0e:1a:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81739sec preferred_lft 81739sec inet6 fe80::f816:3eff:fe0e:1a32/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20187) 05/26/26 _x86_64_ (2 CPU) 00:46:18 LINUX RESTART (2 CPU) 00:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.56 0.03 1.52 0.01 1.25 18.83 656.71 01:10:05 1.86 0.26 1.59 0.01 30.84 68.33 0.29 01:20:05 1.42 0.01 1.41 0.01 1.07 22.68 0.41 01:30:01 1.59 0.00 1.56 0.03 0.00 19.02 878.75 01:40:06 1.34 0.00 1.32 0.02 0.00 15.74 1.19 01:50:05 14.00 0.00 1.43 12.57 0.15 17.24 109187.36 02:00:01 24.12 3.07 18.75 2.30 231.17 3594.64 594.49 Average: 6.54 0.48 3.92 2.13 37.60 533.47 15903.19 00:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6286776 7533952 286632 3.52 30576 1422280 534684 5.82 451500 1183340 136 01:10:05 6250116 7524108 296036 3.64 30936 1448392 739044 8.05 466004 1201048 2028 01:20:05 6250116 7524952 295208 3.63 31132 1449032 534888 5.83 461240 1201572 184 01:30:01 6243852 7519272 300848 3.70 31348 1449356 534952 5.83 464660 1202112 124 01:40:06 6243852 7519800 300320 3.69 31544 1449684 535016 5.83 464988 1202636 228 01:50:05 6255172 7531852 288252 3.54 31764 1450192 535080 5.83 465316 1203200 260 02:00:01 5112980 7349316 400072 4.92 86676 2308472 686408 7.48 638040 2070520 2044 Average: 6091838 7500465 309624 3.81 39139 1568201 585725 6.38 487393 1323490 715 00:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.96 0.08 0.10 0.04 0.00 0.00 0.00 0.00 01:10:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 0.69 0.24 3.17 0.05 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.54 0.10 0.13 0.06 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 0.39 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 0.52 0.20 0.11 0.53 0.00 0.00 0.00 0.00 01:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:05 ens3 0.29 0.07 0.10 0.05 0.00 0.00 0.00 0.00 02:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 81.50 59.66 347.31 15.24 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 12.06 8.58 49.84 2.27 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20187) 05/26/26 _x86_64_ (2 CPU) 00:46:18 LINUX RESTART (2 CPU) 00:50:04 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.35 0.00 0.19 0.88 0.02 98.57 01:00:01 0 0.48 0.00 0.17 0.05 0.02 99.28 01:00:01 1 0.21 0.00 0.21 1.71 0.02 97.85 01:10:05 all 0.40 0.00 0.11 0.02 0.02 99.45 01:10:05 0 0.54 0.00 0.10 0.03 0.01 99.32 01:10:05 1 0.27 0.00 0.12 0.01 0.02 99.58 01:20:05 all 0.28 0.00 0.08 0.01 0.02 99.61 01:20:05 0 0.37 0.00 0.07 0.01 0.02 99.53 01:20:05 1 0.19 0.00 0.09 0.02 0.02 99.68 01:30:01 all 0.33 0.00 0.18 0.01 0.03 99.46 01:30:01 0 0.36 0.00 0.17 0.01 0.03 99.44 01:30:01 1 0.30 0.00 0.19 0.01 0.02 99.48 01:40:06 all 0.28 0.00 0.08 0.01 0.03 99.61 01:40:06 0 0.08 0.00 0.09 0.02 0.03 99.78 01:40:06 1 0.48 0.00 0.06 0.00 0.02 99.44 01:50:05 all 0.28 0.00 0.07 0.03 0.02 99.59 01:50:05 0 0.49 0.00 0.06 0.06 0.02 99.38 01:50:05 1 0.06 0.00 0.09 0.01 0.03 99.81 02:00:01 all 17.58 0.00 2.02 0.54 0.06 79.80 02:00:01 0 15.85 0.00 2.02 0.44 0.06 81.63 02:00:01 1 19.30 0.00 2.02 0.64 0.06 77.97 Average: all 2.76 0.00 0.39 0.21 0.03 96.61 Average: 0 2.58 0.00 0.38 0.09 0.03 96.93 Average: 1 2.95 0.00 0.39 0.34 0.03 96.29