---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1013 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 7.9G 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 765 5279 4 2185 7176 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:53:b6:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.236/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78270sec preferred_lft 78270sec inet6 fe80::f816:3eff:fe53:b630/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1013) 04/07/26 _x86_64_ (2 CPU) 15:56:31 LINUX RESTART (2 CPU) 16:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:01 1.24 0.03 1.21 0.00 1.25 14.94 0.12 16:20:07 1.75 0.32 1.41 0.01 38.71 71.51 0.32 16:30:07 1.42 0.01 1.40 0.02 1.05 18.00 653.52 16:40:01 1.16 0.00 1.15 0.02 0.00 14.41 1.21 16:50:07 1.24 0.00 1.22 0.02 0.00 15.33 1.19 17:00:07 14.35 0.25 1.53 12.57 8.83 35.93 109777.47 17:10:01 22.39 2.81 17.34 2.25 221.86 3145.86 1370.61 17:20:07 1.23 0.00 1.23 0.00 0.00 16.82 0.00 17:30:04 1.77 0.02 1.73 0.03 0.60 24.33 0.43 17:40:01 1.27 0.00 1.27 0.00 0.00 17.73 0.00 17:50:07 1.22 0.00 1.22 0.00 0.00 18.40 0.00 18:00:07 1.53 0.00 1.51 0.02 0.00 21.04 0.23 18:10:01 1.28 0.00 1.28 0.00 0.00 19.19 0.00 Average: 3.98 0.26 2.57 1.15 20.82 261.95 8606.23 16:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:01 6287452 7534012 286244 3.52 30596 1421612 524724 5.72 447064 1183216 164 16:20:07 6246088 7521416 298272 3.67 30980 1449608 722988 7.87 464284 1200532 184 16:30:07 6253880 7530048 289664 3.56 31160 1450248 524888 5.72 456400 1201040 128 16:40:01 6253880 7530580 289120 3.56 31360 1450568 525024 5.72 456612 1201560 124 16:50:07 6261468 7538712 280968 3.45 31560 1450900 525024 5.72 456628 1202092 124 17:00:07 6235864 7521624 297924 3.66 31824 1459076 558056 6.08 490076 1209540 168 17:10:01 5294348 7403232 368492 4.53 84900 2188176 650640 7.09 605628 1946996 276 17:20:07 5292868 7402508 369200 4.54 85020 2188816 651664 7.10 606660 1947748 296 17:30:04 5266552 7377344 394236 4.85 85208 2189764 651664 7.10 607092 1948772 196 17:40:01 5266552 7378268 393312 4.84 85344 2190552 651856 7.10 607232 1949696 164 17:50:07 5266552 7379568 392040 4.82 85460 2191736 660220 7.19 607500 1950868 252 18:00:07 5268192 7382020 389612 4.79 85624 2192392 660224 7.19 607612 1951684 272 18:10:01 5235900 7351040 420592 5.17 85744 2193580 668460 7.28 615844 1952996 244 Average: 5725354 7450029 343821 4.23 60368 1847464 613495 6.68 540664 1603595 199 16:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:10:01 ens3 1.10 0.04 0.09 0.01 0.00 0.00 0.00 0.00 16:20:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 16:20:07 ens3 0.78 0.25 4.87 0.05 0.00 0.00 0.00 0.00 16:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:30:07 ens3 0.32 0.02 0.05 0.01 0.00 0.00 0.00 0.00 16:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:40:01 ens3 0.40 0.06 0.23 0.03 0.00 0.00 0.00 0.00 16:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:50:07 ens3 0.20 0.02 0.04 0.01 0.00 0.00 0.00 0.00 17:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 17:00:07 ens3 4.81 2.47 10.04 1.22 0.00 0.00 0.00 0.00 17:10:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 17:10:01 ens3 63.25 44.16 291.75 10.79 0.00 0.00 0.00 0.00 17:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 17:20:07 ens3 1.42 0.09 0.15 0.02 0.00 0.00 0.00 0.00 17:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 17:30:04 ens3 1.27 0.91 0.23 0.10 0.00 0.00 0.00 0.00 17:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 17:40:01 ens3 1.86 1.44 0.35 0.18 0.00 0.00 0.00 0.00 17:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 17:50:07 ens3 2.56 1.91 0.41 0.36 0.00 0.00 0.00 0.00 18:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 18:00:07 ens3 0.36 0.13 0.10 0.06 0.00 0.00 0.00 0.00 18:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 18:10:01 ens3 6.05 5.73 48.19 0.44 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 6.44 4.37 27.19 1.02 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1013) 04/07/26 _x86_64_ (2 CPU) 15:56:31 LINUX RESTART (2 CPU) 16:00:07 CPU %user %nice %system %iowait %steal %idle 16:10:01 all 0.28 0.00 0.07 0.04 0.04 99.57 16:10:01 0 0.06 0.00 0.08 0.07 0.04 99.75 16:10:01 1 0.49 0.00 0.06 0.02 0.03 99.40 16:20:07 all 0.37 0.00 0.11 0.03 0.04 99.45 16:20:07 0 0.18 0.00 0.11 0.03 0.04 99.63 16:20:07 1 0.57 0.00 0.10 0.02 0.03 99.28 16:30:07 all 0.27 0.00 0.16 0.01 0.04 99.52 16:30:07 0 0.37 0.00 0.15 0.01 0.03 99.44 16:30:07 1 0.16 0.00 0.17 0.01 0.05 99.61 16:40:01 all 0.21 0.00 0.07 0.02 0.04 99.66 16:40:01 0 0.30 0.00 0.06 0.03 0.04 99.57 16:40:01 1 0.13 0.00 0.08 0.00 0.04 99.75 16:50:07 all 0.25 0.00 0.07 0.01 0.04 99.63 16:50:07 0 0.39 0.00 0.06 0.01 0.03 99.50 16:50:07 1 0.10 0.00 0.08 0.00 0.04 99.77 17:00:07 all 0.32 0.00 0.19 0.04 0.04 99.41 17:00:07 0 0.33 0.00 0.17 0.01 0.03 99.46 17:00:07 1 0.32 0.00 0.21 0.06 0.05 99.37 17:10:01 all 10.94 0.00 1.68 0.72 0.07 86.59 17:10:01 0 11.42 0.00 1.75 0.57 0.08 86.19 17:10:01 1 10.45 0.00 1.62 0.88 0.06 86.99 17:20:07 all 0.46 0.00 0.13 0.03 0.06 99.32 17:20:07 0 0.41 0.00 0.19 0.04 0.08 99.28 17:20:07 1 0.51 0.00 0.08 0.01 0.04 99.35 17:30:04 all 0.58 0.00 0.26 0.08 0.05 99.04 17:30:04 0 0.58 0.00 0.25 0.04 0.04 99.08 17:30:04 1 0.57 0.00 0.27 0.11 0.05 99.00 17:40:01 all 0.51 0.00 0.14 0.06 0.04 99.25 17:40:01 0 0.47 0.00 0.11 0.08 0.03 99.32 17:40:01 1 0.55 0.00 0.17 0.04 0.06 99.18 17:50:07 all 0.66 0.00 0.15 0.05 0.05 99.10 17:50:07 0 0.46 0.00 0.13 0.01 0.04 99.35 17:50:07 1 0.85 0.00 0.16 0.08 0.05 98.86 17:50:07 CPU %user %nice %system %iowait %steal %idle 18:00:07 all 0.50 0.00 0.24 0.04 0.04 99.17 18:00:07 0 0.51 0.00 0.22 0.02 0.05 99.21 18:00:07 1 0.50 0.00 0.26 0.07 0.04 99.14 18:10:01 all 0.60 0.00 0.17 0.01 0.05 99.16 18:10:01 0 0.54 0.00 0.16 0.01 0.05 99.24 18:10:01 1 0.66 0.00 0.19 0.01 0.05 99.08 Average: all 1.22 0.00 0.26 0.09 0.05 98.39 Average: 0 1.22 0.00 0.26 0.07 0.04 98.40 Average: 1 1.21 0.00 0.26 0.10 0.05 98.38