---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10208 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 778 5182 4 2270 7163 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:c3:98:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.13/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80452sec preferred_lft 80452sec inet6 fe80::f816:3eff:fec3:9887/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10208) 05/02/26 _x86_64_ (2 CPU) 00:39:45 LINUX RESTART (2 CPU) 00:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:21 17.36 2.91 2.18 12.27 370.39 106.53 106780.19 01:00:11 1.48 0.01 1.44 0.03 0.05 17.64 665.98 01:10:01 1.75 0.26 1.46 0.03 32.58 74.00 1.30 01:20:01 1.34 0.00 1.33 0.00 0.01 15.90 0.12 01:30:21 1.74 0.02 1.70 0.02 2.08 20.46 632.32 01:40:01 1.29 0.00 1.29 0.00 0.00 15.05 0.00 01:50:11 1.39 0.00 1.39 0.00 0.00 16.31 0.00 02:00:21 23.62 2.96 18.45 2.22 222.79 3129.63 617.63 02:10:01 1.33 0.00 1.33 0.00 0.36 63.96 0.10 Average: 5.79 0.70 3.43 1.66 71.25 390.52 12384.59 00:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:21 6306560 7552652 267640 3.29 30512 1421256 520940 5.67 440372 1183172 204 01:00:11 6309340 7555980 264288 3.25 30724 1421588 520940 5.67 440580 1183716 180 01:10:01 6252836 7526432 293392 3.61 31092 1447824 521208 5.68 449784 1201244 172 01:20:01 6259960 7534056 285748 3.51 31260 1448148 521208 5.68 450244 1201736 124 01:30:21 6260420 7535736 284080 3.49 31476 1449112 521272 5.68 453896 1202356 124 01:40:01 6268332 7544264 275548 3.39 31628 1449572 521272 5.68 454116 1202840 288 01:50:11 6269768 7546192 273616 3.36 31788 1449896 521392 5.68 454376 1203324 132 02:00:21 5295780 7416572 354880 4.36 85072 2199708 627176 6.83 591828 1961296 260 02:10:01 5280460 7415648 355852 4.38 85212 2213960 637320 6.94 593860 1975592 788 Average: 6055940 7514170 295005 3.63 43196 1611229 545859 5.95 481006 1368364 252 00:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:21 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:21 ens3 15.53 7.16 35.28 1.81 0.00 0.00 0.00 0.00 01:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 0.51 0.08 0.08 0.04 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.67 0.25 3.20 0.04 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 0.52 0.13 0.15 0.09 0.00 0.00 0.00 0.00 01:30:21 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:30:21 ens3 0.37 0.22 0.09 0.53 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.41 0.09 0.11 0.05 0.00 0.00 0.00 0.00 01:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:11 ens3 0.37 0.15 0.15 0.09 0.00 0.00 0.00 0.00 02:00:21 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:21 ens3 75.08 53.54 300.03 12.30 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 46.55 42.67 9.60 5.49 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 15.58 11.56 39.40 2.28 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10208) 05/02/26 _x86_64_ (2 CPU) 00:39:45 LINUX RESTART (2 CPU) 00:40:06 CPU %user %nice %system %iowait %steal %idle 00:50:21 all 0.69 0.00 0.28 0.09 0.04 98.91 00:50:21 0 0.43 0.00 0.30 0.06 0.04 99.17 00:50:21 1 0.94 0.00 0.27 0.11 0.03 98.64 01:00:11 all 0.29 0.00 0.19 0.01 0.04 99.47 01:00:11 0 0.10 0.00 0.20 0.02 0.04 99.64 01:00:11 1 0.49 0.00 0.17 0.01 0.03 99.31 01:10:01 all 0.35 0.00 0.11 0.02 0.03 99.49 01:10:01 0 0.37 0.00 0.11 0.03 0.03 99.46 01:10:01 1 0.32 0.00 0.12 0.01 0.04 99.51 01:20:01 all 0.24 0.00 0.08 0.01 0.03 99.63 01:20:01 0 0.38 0.00 0.06 0.03 0.03 99.51 01:20:01 1 0.11 0.00 0.09 0.00 0.04 99.75 01:30:21 all 0.29 0.00 0.16 0.01 0.03 99.50 01:30:21 0 0.37 0.00 0.17 0.01 0.03 99.42 01:30:21 1 0.22 0.00 0.15 0.01 0.03 99.59 01:40:01 all 0.24 0.00 0.06 0.01 0.03 99.65 01:40:01 0 0.43 0.00 0.05 0.01 0.02 99.50 01:40:01 1 0.05 0.00 0.08 0.01 0.04 99.81 01:50:11 all 0.23 0.00 0.06 0.01 0.03 99.67 01:50:11 0 0.42 0.00 0.05 0.01 0.02 99.50 01:50:11 1 0.05 0.00 0.08 0.00 0.04 99.83 02:00:21 all 13.17 0.00 1.87 0.57 0.06 84.32 02:00:21 0 16.48 0.00 2.06 0.59 0.07 80.80 02:00:21 1 9.85 0.00 1.67 0.56 0.06 87.85 02:10:01 all 7.53 0.00 0.59 0.01 0.07 91.80 02:10:01 0 7.91 0.00 0.70 0.01 0.06 91.31 02:10:01 1 7.15 0.00 0.48 0.01 0.07 92.29 Average: all 2.56 0.00 0.38 0.08 0.04 96.93 Average: 0 2.99 0.00 0.41 0.09 0.04 96.47 Average: 1 2.13 0.00 0.35 0.08 0.04 97.40