---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28508 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 8.2G 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 785 4915 4 2535 7156 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:6e:e4:00 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79039sec preferred_lft 79039sec inet6 fe80::f816:3eff:fe6e:e400/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28508) 06/19/26 _x86_64_ (2 CPU) 01:58:16 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.83 0.28 1.54 0.01 32.26 74.94 0.29 02:20:00 1.37 0.01 1.34 0.01 1.12 16.35 0.89 02:30:13 1.57 0.00 1.54 0.03 0.00 18.70 1.50 02:40:01 1.15 0.00 1.13 0.02 0.00 14.22 1.12 02:50:23 1.22 0.00 1.20 0.02 0.00 14.96 1.05 03:00:13 1.56 0.00 1.52 0.04 0.00 19.11 1.60 03:10:01 27.20 3.07 21.78 2.34 232.00 3560.98 1181.22 03:20:23 1.20 0.00 1.20 0.00 0.00 15.20 0.00 03:30:49 1.58 0.01 1.54 0.02 0.58 93.45 0.47 03:40:01 1.39 0.00 1.39 0.00 0.00 327.04 0.04 03:50:23 1.38 0.00 1.38 0.00 0.00 77.10 0.08 04:00:05 4.32 0.04 3.55 0.73 1.11 667.68 1417.93 Average: 3.76 0.28 3.22 0.26 21.87 399.19 211.62 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6262952 7529036 291568 3.59 30200 1441664 726564 7.91 464964 1196028 140 02:20:00 6253552 7520504 300100 3.69 30412 1442300 540816 5.89 457480 1196572 124 02:30:13 6247192 7514708 305888 3.76 30620 1442632 541008 5.89 457484 1197112 124 02:40:01 6261640 7529680 290916 3.58 30816 1442952 541008 5.89 460932 1197628 244 02:50:23 6260884 7529612 290972 3.58 31008 1443440 541008 5.89 461424 1198180 164 03:00:13 6257808 7527064 293484 3.61 31220 1443736 541140 5.89 461680 1198688 156 03:10:01 4886060 7076448 691144 8.50 86584 2264412 855872 9.32 809372 2029168 288 03:20:23 5019116 7210040 557512 6.86 86704 2264856 809684 8.82 762108 2029700 232 03:30:49 4990872 7205484 562104 6.91 86852 2288368 855400 9.32 791912 2053272 164 03:40:01 4859668 7161896 604516 7.43 86984 2374812 898684 9.79 835168 2139720 8 03:50:23 4815604 7137556 628484 7.73 87136 2394112 898756 9.79 836140 2159172 160 04:00:05 5093744 7380556 392868 4.83 88392 2364440 631800 6.88 611008 2130596 22556 Average: 5600758 7360215 434130 5.34 58911 1883977 698478 7.61 617473 1643820 2030 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 2.16 0.49 3.33 0.05 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.37 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:13 ens3 0.93 0.03 5.63 0.01 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 0.65 0.09 1.19 0.06 0.00 0.00 0.00 0.00 02:50:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:23 ens3 0.37 0.09 0.11 0.06 0.00 0.00 0.00 0.00 03:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:13 ens3 0.34 0.09 0.13 0.07 0.00 0.00 0.00 0.00 03:10:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:10:01 ens3 100.92 78.71 775.13 14.27 0.00 0.00 0.00 0.00 03:20:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:23 ens3 29.50 26.75 441.44 1.77 0.00 0.00 0.00 0.00 03:30:49 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:49 ens3 66.84 56.75 1153.74 3.78 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 24.48 22.29 396.43 1.52 0.00 0.00 0.00 0.00 03:50:23 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 03:50:23 ens3 25.43 23.95 390.02 1.59 0.00 0.00 0.00 0.00 04:00:05 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 04:00:05 ens3 32.17 25.99 294.38 20.57 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 23.67 19.62 290.38 3.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28508) 06/19/26 _x86_64_ (2 CPU) 01:58:16 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.39 0.00 0.11 0.10 0.03 99.38 02:10:01 0 0.19 0.00 0.12 0.06 0.03 99.60 02:10:01 1 0.59 0.00 0.10 0.13 0.02 99.16 02:20:00 all 0.29 0.00 0.08 0.14 0.02 99.46 02:20:00 0 0.23 0.00 0.09 0.09 0.03 99.57 02:20:00 1 0.36 0.00 0.07 0.20 0.02 99.35 02:30:13 all 0.29 0.00 0.17 0.05 0.02 99.47 02:30:13 0 0.28 0.00 0.16 0.02 0.02 99.52 02:30:13 1 0.30 0.00 0.17 0.08 0.02 99.43 02:40:01 all 0.26 0.00 0.08 0.06 0.02 99.57 02:40:01 0 0.32 0.00 0.07 0.02 0.02 99.56 02:40:01 1 0.20 0.00 0.10 0.10 0.02 99.58 02:50:23 all 0.27 0.00 0.07 0.04 0.02 99.60 02:50:23 0 0.32 0.00 0.06 0.03 0.02 99.57 02:50:23 1 0.22 0.00 0.09 0.05 0.03 99.62 03:00:13 all 0.28 0.00 0.17 0.05 0.02 99.47 03:00:13 0 0.12 0.00 0.19 0.10 0.02 99.57 03:00:13 1 0.44 0.00 0.16 0.01 0.02 99.37 03:10:01 all 12.61 0.00 1.94 1.48 0.06 83.90 03:10:01 0 11.87 0.00 1.73 1.90 0.06 84.44 03:10:01 1 13.34 0.00 2.16 1.07 0.07 83.36 03:20:23 all 0.59 0.00 0.24 0.04 0.05 99.08 03:20:23 0 0.45 0.00 0.10 0.05 0.03 99.35 03:20:23 1 0.73 0.00 0.38 0.02 0.07 98.80 03:30:49 all 1.08 0.00 0.60 0.04 0.06 98.23 03:30:49 0 1.61 0.00 0.95 0.01 0.07 97.36 03:30:49 1 0.55 0.00 0.24 0.06 0.05 99.09 03:40:01 all 0.79 0.00 0.20 0.05 0.06 98.90 03:40:01 0 0.91 0.00 0.25 0.03 0.07 98.74 03:40:01 1 0.66 0.00 0.16 0.06 0.05 99.07 03:50:23 all 0.65 0.00 0.24 0.45 0.05 98.61 03:50:23 0 0.69 0.00 0.17 0.05 0.04 99.06 03:50:23 1 0.62 0.00 0.31 0.85 0.06 98.16 03:50:23 CPU %user %nice %system %iowait %steal %idle 04:00:05 all 3.23 0.00 0.56 0.63 0.05 95.52 04:00:05 0 2.65 0.00 0.41 0.92 0.03 95.99 04:00:05 1 3.82 0.00 0.72 0.34 0.07 95.05 Average: all 1.70 0.00 0.37 0.26 0.04 97.63 Average: 0 1.61 0.00 0.36 0.27 0.04 97.73 Average: 1 1.79 0.00 0.39 0.25 0.04 97.54