---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2688 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 779 5165 4 2285 7162 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:e0:70:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78208sec preferred_lft 78208sec inet6 fe80::f816:3eff:fee0:70bd/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-2688) 04/14/26 _x86_64_ (2 CPU) 05:08:19 LINUX RESTART (2 CPU) 05:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:20:04 1.40 0.03 1.37 0.01 1.25 16.29 0.48 05:30:05 1.43 0.01 1.39 0.03 0.05 17.89 870.99 05:40:04 14.42 0.32 1.52 12.58 39.20 72.67 109289.13 05:50:05 1.28 0.00 1.27 0.00 1.05 15.34 0.05 06:00:06 1.41 0.00 1.40 0.01 0.00 17.89 869.64 06:10:06 1.20 0.00 1.20 0.00 0.00 14.65 0.00 06:20:07 22.09 3.02 16.85 2.22 228.14 3150.22 520.38 06:30:07 1.81 0.03 1.75 0.03 0.69 27.25 1.01 06:40:07 1.47 0.00 1.47 0.00 0.00 20.26 0.00 06:50:08 1.52 0.00 1.52 0.00 0.00 127.06 0.00 07:00:09 1.76 0.00 1.74 0.02 0.00 34.63 389.40 07:10:09 1.35 0.00 1.35 0.00 0.20 64.20 0.05 07:20:10 1.47 0.00 1.47 0.01 0.00 23.01 0.23 Average: 4.05 0.26 2.64 1.15 20.80 276.94 8593.41 05:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:04 6290852 7541264 279308 3.43 30624 1425412 530568 5.78 448244 1187100 180 05:30:05 6284092 7535084 285528 3.51 30860 1425740 538780 5.87 449716 1187664 212 05:40:04 6240504 7520352 299420 3.68 31248 1453844 737548 8.03 467112 1205052 248 05:50:05 6245576 7526264 293664 3.61 31428 1454476 538916 5.87 461740 1205564 192 06:00:06 6245584 7526944 292928 3.60 31620 1454940 538916 5.87 461892 1206092 188 06:10:06 6249240 7531088 288780 3.55 31780 1455264 539012 5.87 462096 1206576 188 06:20:07 5251280 7366392 405228 4.98 85196 2193972 693512 7.55 602468 1953140 152 06:30:07 5274788 7392256 379476 4.67 85368 2196152 647252 7.05 597576 1955376 476 06:40:07 5263920 7382552 389204 4.79 85520 2197172 665828 7.25 616360 1956540 148 06:50:08 5203388 7355836 415912 5.11 85684 2230768 688952 7.50 638764 1990180 148 07:00:09 5227616 7384148 387432 4.76 85840 2234644 655532 7.14 605124 1994212 212 07:10:09 5167840 7339372 432016 5.31 85984 2249308 678300 7.39 627920 2009020 192 07:20:10 5140144 7313808 457620 5.63 86144 2251252 702644 7.65 652276 2011124 160 Average: 5698833 7439643 354347 4.36 60561 1863303 627366 6.83 545484 1620588 207 05:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:04 ens3 1.05 0.07 0.13 0.03 0.00 0.00 0.00 0.00 05:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:05 ens3 0.57 0.09 0.13 0.07 0.00 0.00 0.00 0.00 05:40:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:40:04 ens3 0.68 0.25 3.95 0.05 0.00 0.00 0.00 0.00 05:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:05 ens3 0.43 0.03 0.97 0.01 0.00 0.00 0.00 0.00 06:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:06 ens3 0.21 0.05 0.06 0.03 0.00 0.00 0.00 0.00 06:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:06 ens3 0.28 0.12 0.07 0.46 0.00 0.00 0.00 0.00 06:20:07 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 06:20:07 ens3 71.71 51.97 410.65 12.12 0.00 0.00 0.00 0.00 06:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:30:07 ens3 17.20 15.35 168.11 1.32 0.00 0.00 0.00 0.00 06:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:40:07 ens3 3.55 2.97 5.15 0.52 0.00 0.00 0.00 0.00 06:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:50:08 ens3 3.08 1.90 36.16 0.17 0.00 0.00 0.00 0.00 07:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:00:09 ens3 15.94 14.92 149.43 1.64 0.00 0.00 0.00 0.00 07:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:10:09 ens3 12.63 11.82 120.70 1.47 0.00 0.00 0.00 0.00 07:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:20:10 ens3 13.85 13.57 139.87 1.20 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 10.86 8.70 79.62 1.47 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2688) 04/14/26 _x86_64_ (2 CPU) 05:08:19 LINUX RESTART (2 CPU) 05:10:01 CPU %user %nice %system %iowait %steal %idle 05:20:04 all 0.28 0.00 0.09 0.01 0.04 99.59 05:20:04 0 0.34 0.00 0.06 0.01 0.03 99.55 05:20:04 1 0.22 0.00 0.11 0.01 0.04 99.62 05:30:05 all 0.32 0.00 0.17 0.01 0.03 99.47 05:30:05 0 0.26 0.00 0.17 0.00 0.03 99.53 05:30:05 1 0.37 0.00 0.17 0.02 0.04 99.41 05:40:04 all 0.38 0.00 0.11 0.04 0.03 99.43 05:40:04 0 0.54 0.00 0.08 0.03 0.02 99.33 05:40:04 1 0.22 0.00 0.14 0.06 0.05 99.54 05:50:05 all 0.28 0.00 0.08 0.01 0.03 99.61 05:50:05 0 0.25 0.00 0.08 0.00 0.02 99.65 05:50:05 1 0.32 0.00 0.08 0.01 0.03 99.56 06:00:06 all 0.26 0.00 0.17 0.01 0.03 99.54 06:00:06 0 0.17 0.00 0.18 0.00 0.03 99.63 06:00:06 1 0.35 0.00 0.17 0.02 0.03 99.44 06:10:06 all 0.22 0.00 0.08 0.01 0.03 99.66 06:10:06 0 0.37 0.00 0.06 0.01 0.03 99.54 06:10:06 1 0.08 0.00 0.09 0.01 0.03 99.79 06:20:07 all 11.52 0.00 1.84 0.54 0.06 86.05 06:20:07 0 13.37 0.00 1.98 0.62 0.06 83.98 06:20:07 1 9.66 0.00 1.70 0.45 0.07 88.12 06:30:07 all 1.02 0.00 0.35 0.01 0.06 98.57 06:30:07 0 0.97 0.00 0.31 0.01 0.05 98.66 06:30:07 1 1.06 0.00 0.38 0.01 0.06 98.48 06:40:07 all 6.50 0.00 0.66 0.01 0.07 92.76 06:40:07 0 5.26 0.00 0.53 0.01 0.07 94.13 06:40:07 1 7.76 0.00 0.80 0.01 0.07 91.36 06:50:08 all 7.71 0.00 0.77 0.01 0.08 91.43 06:50:08 0 10.50 0.00 1.01 0.01 0.08 88.39 06:50:08 1 5.01 0.00 0.54 0.01 0.08 94.37 07:00:09 all 1.56 0.00 0.37 0.02 0.05 98.00 07:00:09 0 0.62 0.00 0.25 0.02 0.04 99.07 07:00:09 1 2.50 0.00 0.50 0.01 0.07 96.92 07:00:09 CPU %user %nice %system %iowait %steal %idle 07:10:09 all 2.87 0.00 0.49 0.01 0.07 96.55 07:10:09 0 4.54 0.00 0.74 0.00 0.08 94.63 07:10:09 1 1.20 0.00 0.24 0.01 0.06 98.48 07:20:10 all 0.90 0.00 0.22 0.01 0.07 98.80 07:20:10 0 0.75 0.00 0.21 0.01 0.08 98.95 07:20:10 1 1.04 0.00 0.24 0.01 0.07 98.65 Average: all 2.57 0.00 0.41 0.05 0.05 96.91 Average: 0 2.88 0.00 0.43 0.06 0.05 96.59 Average: 1 2.27 0.00 0.39 0.05 0.05 97.24