---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7978 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 8.1G 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 767 5005 4 2460 7174 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:eb:87:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.118/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78654sec preferred_lft 78654sec inet6 fe80::f816:3eff:feeb:8714/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7978) 03/22/26 _x86_64_ (2 CPU) 00:39:59 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:22 12.41 7.07 5.19 0.15 678.56 5729.04 444.53 01:00:12 1.52 0.01 1.49 0.02 0.05 18.29 887.31 01:10:01 1.27 0.00 1.25 0.02 0.00 15.02 1.22 01:20:22 13.55 0.00 1.42 12.12 0.15 16.81 105391.64 01:30:12 2.26 0.33 1.89 0.05 40.75 77.64 887.32 01:40:01 1.34 0.00 1.33 0.02 0.00 15.46 1.22 01:50:22 25.42 2.92 20.33 2.16 219.87 2994.23 613.74 02:00:22 1.81 0.01 1.79 0.02 0.48 33.63 0.33 02:10:01 1.21 0.00 1.21 0.00 0.00 15.54 0.00 02:20:22 1.51 0.00 1.50 0.01 0.00 172.82 0.46 02:30:12 1.71 0.00 1.68 0.03 0.00 300.81 0.81 02:40:01 1.27 0.00 1.27 0.00 0.00 15.55 0.00 Average: 5.58 0.89 3.43 1.26 81.05 810.47 9334.40 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:22 6265636 7516024 304156 3.74 30552 1425744 536732 5.85 446376 1186912 140 01:00:12 6268692 7519680 300404 3.69 30776 1426072 536732 5.85 446560 1187468 228 01:10:01 6267768 7519252 300820 3.70 30976 1426360 536740 5.85 446556 1187960 124 01:20:22 6267268 7519388 300660 3.70 31184 1426768 536996 5.85 447080 1188548 184 01:30:12 6242156 7523436 295960 3.64 31636 1455080 537132 5.85 458772 1205800 224 01:40:01 6240392 7522160 297240 3.65 31820 1455368 538568 5.87 460368 1206280 124 01:50:22 5331356 7439016 332240 4.09 85056 2187020 578316 6.30 567800 1945636 2372 02:00:22 4999568 7108136 663172 8.15 85184 2187864 884828 9.64 848568 1946608 240 02:10:01 5032632 7141808 629556 7.74 85312 2188344 877220 9.55 822436 1947216 236 02:20:22 5097108 7255684 515460 6.34 85468 2237400 793948 8.65 740760 1996284 264 02:30:12 4841916 7085060 684776 8.42 85632 2320632 933344 10.17 880292 2079696 184 02:40:01 4872632 7116292 653568 8.04 85764 2321008 898344 9.78 845220 2080204 136 Average: 5643927 7355495 439834 5.41 58280 1838138 682408 7.43 617566 1596551 371 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:22 lo 1.33 1.33 0.08 0.08 0.00 0.00 0.00 0.00 00:50:22 ens3 17.35 7.42 65.17 1.86 0.00 0.00 0.00 0.00 01:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:12 ens3 0.67 0.06 0.09 0.03 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 0.70 0.06 1.45 0.04 0.00 0.00 0.00 0.00 01:20:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:22 ens3 0.68 0.08 1.14 0.06 0.00 0.00 0.00 0.00 01:30:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:12 ens3 0.69 0.27 3.14 0.05 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 0.56 0.20 0.12 0.64 0.00 0.00 0.00 0.00 01:50:22 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:22 ens3 51.86 35.64 284.10 9.69 0.00 0.00 0.00 0.00 02:00:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:22 ens3 43.57 38.31 605.12 2.80 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 85.41 81.52 1387.70 5.34 0.00 0.00 0.00 0.00 02:20:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:22 ens3 26.06 24.48 410.22 1.63 0.00 0.00 0.00 0.00 02:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:12 ens3 34.56 33.20 553.61 2.20 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 5.84 5.16 81.42 0.41 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 22.29 18.76 279.90 2.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7978) 03/22/26 _x86_64_ (2 CPU) 00:39:59 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:22 all 1.10 0.00 0.82 4.05 0.03 93.99 00:50:22 0 1.31 0.00 0.74 4.33 0.03 93.59 00:50:22 1 0.89 0.00 0.91 3.78 0.03 94.40 01:00:12 all 0.26 0.00 0.18 0.01 0.02 99.53 01:00:12 0 0.15 0.00 0.19 0.02 0.02 99.63 01:00:12 1 0.38 0.00 0.16 0.01 0.02 99.43 01:10:01 all 0.23 0.00 0.07 0.01 0.02 99.66 01:10:01 0 0.40 0.00 0.07 0.01 0.02 99.50 01:10:01 1 0.06 0.00 0.08 0.01 0.03 99.82 01:20:22 all 0.32 0.00 0.09 0.04 0.03 99.53 01:20:22 0 0.14 0.00 0.12 0.06 0.03 99.65 01:20:22 1 0.50 0.00 0.05 0.01 0.02 99.41 01:30:12 all 0.36 0.00 0.20 0.04 0.02 99.38 01:30:12 0 0.26 0.00 0.17 0.04 0.02 99.51 01:30:12 1 0.46 0.00 0.23 0.04 0.02 99.25 01:40:01 all 0.25 0.00 0.07 0.02 0.02 99.64 01:40:01 0 0.07 0.00 0.08 0.04 0.03 99.79 01:40:01 1 0.44 0.00 0.05 0.01 0.02 99.48 01:50:22 all 10.47 0.00 1.62 1.58 0.05 86.28 01:50:22 0 11.42 0.00 1.66 2.12 0.06 84.74 01:50:22 1 9.52 0.00 1.58 1.03 0.05 87.82 02:00:22 all 0.84 0.00 0.40 0.11 0.05 98.60 02:00:22 0 0.74 0.00 0.27 0.15 0.04 98.80 02:00:22 1 0.94 0.00 0.54 0.07 0.07 98.39 02:10:01 all 1.08 0.00 0.59 0.03 0.05 98.25 02:10:01 0 0.75 0.00 0.34 0.01 0.05 98.85 02:10:01 1 1.41 0.00 0.84 0.06 0.05 97.64 02:20:22 all 0.72 0.00 0.26 0.05 0.04 98.92 02:20:22 0 0.69 0.00 0.30 0.03 0.04 98.93 02:20:22 1 0.74 0.00 0.22 0.08 0.05 98.91 02:30:12 all 0.85 0.00 0.38 0.98 0.04 97.75 02:30:12 0 0.74 0.00 0.31 0.62 0.04 98.29 02:30:12 1 0.97 0.00 0.44 1.34 0.04 97.21 02:30:12 CPU %user %nice %system %iowait %steal %idle 02:40:01 all 0.43 0.00 0.18 0.35 0.03 99.01 02:40:01 0 0.54 0.00 0.19 0.03 0.03 99.21 02:40:01 1 0.31 0.00 0.16 0.67 0.04 98.81 Average: all 1.44 0.00 0.41 0.62 0.03 97.49 Average: 0 1.47 0.00 0.38 0.64 0.03 97.48 Average: 1 1.41 0.00 0.44 0.60 0.04 97.50