---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1650 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 764 4893 4 2583 7177 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:ee:4b:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78962sec preferred_lft 78962sec inet6 fe80::f816:3eff:feee:4bcc/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-1650) 04/10/26 _x86_64_ (2 CPU) 01:58:27 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:17 1.49 0.02 1.46 0.00 1.21 16.98 0.12 02:20:02 1.39 0.01 1.38 0.01 0.07 15.90 0.74 02:30:01 1.52 0.00 1.50 0.03 0.00 17.54 437.82 02:40:18 1.52 0.02 1.47 0.02 2.09 17.19 1.21 02:50:02 1.36 0.00 1.34 0.02 0.00 15.69 1.23 03:00:18 2.40 0.56 1.81 0.04 46.60 90.30 426.00 03:10:02 23.47 2.84 18.33 2.30 223.74 3309.86 1312.31 03:20:18 28.36 13.20 1.99 13.17 147.02 45.21 104102.39 03:30:18 1.49 0.00 1.48 0.01 0.00 18.86 0.23 03:40:19 1.54 0.00 1.53 0.02 0.00 401.07 3.03 03:50:02 1.41 0.00 1.40 0.01 0.00 161.41 1.40 04:00:20 1.58 0.00 1.56 0.01 0.00 19.77 0.22 Average: 5.63 1.41 2.90 1.32 34.91 336.02 9056.18 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:17 6284260 7531772 288784 3.55 30524 1422668 529372 5.77 450812 1183104 120 02:20:02 6283340 7531400 289100 3.55 30728 1423004 529468 5.77 451000 1183636 244 02:30:01 6287096 7535696 284884 3.50 30924 1423320 529532 5.77 453192 1184156 248 02:40:18 6274164 7523960 296664 3.65 31140 1424288 529740 5.77 454192 1184780 124 02:50:02 6274168 7524500 296108 3.64 31344 1424616 529900 5.77 454240 1185312 188 03:00:18 6250776 7537740 282068 3.47 31816 1460364 733672 7.99 478340 1209528 188 03:10:02 5123056 7233600 538028 6.62 85088 2189632 960580 10.46 739704 1947764 256 03:20:18 5126496 7293336 469404 5.77 88468 2234384 884564 9.63 663224 1995260 164 03:30:18 5083776 7269056 493500 6.07 88628 2252620 956008 10.41 718596 2013656 17812 03:40:19 4849832 7134648 626464 7.70 88824 2350716 1084212 11.81 846408 2111928 220 03:50:02 4768352 7096820 663560 8.16 88964 2393608 1100256 11.98 863436 2154852 276 04:00:20 4731508 7060548 699748 8.60 89100 2394032 1138660 12.40 901256 2155412 128 Average: 5611402 7356090 435693 5.36 59629 1866104 792164 8.63 622867 1625782 1664 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:17 ens3 1.79 0.05 0.19 0.01 0.00 0.00 0.00 0.00 02:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 1.19 0.09 11.36 0.07 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 1.33 0.17 0.35 0.18 0.00 0.00 0.00 0.00 02:40:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:18 ens3 0.82 0.12 0.34 0.08 0.00 0.00 0.00 0.00 02:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 0.66 0.26 0.16 0.93 0.00 0.00 0.00 0.00 03:00:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:18 ens3 3.69 2.09 12.71 0.74 0.00 0.00 0.00 0.00 03:10:02 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 03:10:02 ens3 82.02 63.82 660.21 12.33 0.00 0.00 0.00 0.00 03:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:18 ens3 30.76 27.47 447.74 1.81 0.00 0.00 0.00 0.00 03:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:18 ens3 82.69 74.98 1253.11 4.96 0.00 0.00 0.00 0.00 03:40:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:19 ens3 26.72 24.89 406.75 1.68 0.00 0.00 0.00 0.00 03:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:02 ens3 29.52 26.21 422.41 1.74 0.00 0.00 0.00 0.00 04:00:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:20 ens3 12.72 11.33 176.59 0.78 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 22.64 19.14 281.05 2.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1650) 04/10/26 _x86_64_ (2 CPU) 01:58:27 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:17 all 0.24 0.00 0.08 0.02 0.03 99.63 02:10:17 0 0.07 0.00 0.08 0.03 0.03 99.80 02:10:17 1 0.41 0.00 0.09 0.01 0.03 99.46 02:20:02 all 0.21 0.00 0.08 0.04 0.03 99.64 02:20:02 0 0.07 0.00 0.09 0.03 0.03 99.78 02:20:02 1 0.36 0.00 0.07 0.04 0.03 99.50 02:30:01 all 0.32 0.00 0.16 0.15 0.04 99.33 02:30:01 0 0.11 0.00 0.19 0.28 0.04 99.38 02:30:01 1 0.53 0.00 0.14 0.03 0.03 99.28 02:40:18 all 0.28 0.00 0.08 0.03 0.03 99.57 02:40:18 0 0.28 0.00 0.08 0.04 0.03 99.58 02:40:18 1 0.29 0.00 0.09 0.02 0.03 99.56 02:50:02 all 0.22 0.00 0.07 0.01 0.03 99.68 02:50:02 0 0.07 0.00 0.09 0.00 0.03 99.80 02:50:02 1 0.36 0.00 0.05 0.02 0.02 99.55 03:00:18 all 0.52 0.00 0.20 0.55 0.03 98.70 03:00:18 0 0.60 0.00 0.21 0.06 0.03 99.11 03:00:18 1 0.43 0.00 0.20 1.05 0.03 98.29 03:10:02 all 12.03 0.00 1.99 4.84 0.06 81.08 03:10:02 0 10.40 0.00 1.59 5.99 0.05 81.96 03:10:02 1 13.66 0.00 2.38 3.68 0.07 80.21 03:20:18 all 0.64 0.21 0.36 0.35 0.04 98.40 03:20:18 0 0.70 0.00 0.37 0.09 0.05 98.79 03:20:18 1 0.58 0.41 0.35 0.62 0.04 98.00 03:30:18 all 1.11 0.00 0.67 0.01 0.04 98.17 03:30:18 0 0.76 0.00 0.46 0.01 0.05 98.73 03:30:18 1 1.46 0.00 0.88 0.01 0.04 97.61 03:40:19 all 0.78 0.00 0.21 0.03 0.04 98.94 03:40:19 0 0.85 0.00 0.23 0.04 0.04 98.84 03:40:19 1 0.71 0.00 0.19 0.02 0.04 99.04 03:50:02 all 0.69 0.00 0.26 0.02 0.04 99.00 03:50:02 0 0.50 0.00 0.13 0.02 0.03 99.32 03:50:02 1 0.87 0.00 0.38 0.02 0.05 98.67 03:50:02 CPU %user %nice %system %iowait %steal %idle 04:00:20 all 0.49 0.00 0.28 0.01 0.04 99.18 04:00:20 0 0.41 0.00 0.32 0.00 0.05 99.22 04:00:20 1 0.57 0.00 0.25 0.01 0.03 99.13 Average: all 1.43 0.02 0.37 0.49 0.04 97.65 Average: 0 1.21 0.00 0.32 0.53 0.04 97.90 Average: 1 1.65 0.04 0.42 0.45 0.04 97.41