---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12831 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 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 768 5140 4 2330 7173 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:7b:c5:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.221/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 77484sec preferred_lft 77484sec inet6 fe80::f816:3eff:fe7b:c5e7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12831) 05/12/26 _x86_64_ (2 CPU) 00:45:39 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:06 1.66 0.02 1.62 0.02 1.23 19.95 864.31 01:10:01 1.36 0.01 1.35 0.00 0.05 15.94 0.12 01:20:01 1.33 0.01 1.32 0.00 0.47 15.53 0.12 01:30:06 1.62 0.02 1.59 0.01 1.68 19.09 648.69 01:40:01 1.86 0.25 1.60 0.01 31.21 74.36 0.13 01:50:01 1.35 0.00 1.35 0.00 0.00 15.89 0.24 02:00:25 1.54 0.00 1.51 0.03 0.00 18.31 839.34 02:10:01 14.50 0.00 1.41 13.09 0.15 16.70 113720.52 02:20:01 23.06 3.01 17.81 2.24 226.76 3168.53 655.29 02:30:16 1.66 0.00 1.62 0.04 0.00 26.18 1.34 02:40:01 16.00 13.88 2.04 0.07 154.50 48.43 7.45 02:50:01 1.39 0.00 1.37 0.02 0.00 133.40 390.16 03:00:16 1.55 0.00 1.52 0.02 0.00 36.62 0.53 03:10:01 1.46 0.00 1.45 0.01 0.00 22.62 0.25 Average: 4.96 1.20 2.68 1.07 29.43 259.38 8040.42 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:06 6284816 7535968 284452 3.50 30660 1426128 527748 5.75 446032 1187372 188 01:10:01 6300692 7552368 268012 3.30 30848 1426460 527884 5.75 446080 1187892 160 01:20:01 6300020 7552316 268056 3.30 31024 1426900 533504 5.81 447628 1188392 148 01:30:06 6277604 7530964 289384 3.56 31212 1427752 529844 5.77 447188 1188988 228 01:40:01 6239776 7519844 300024 3.69 31548 1453808 724232 7.89 461748 1206472 280 01:50:01 6239300 7519916 299972 3.69 31724 1454148 724304 7.89 461980 1207004 244 02:00:25 6251032 7532252 287528 3.54 31956 1454472 724368 7.89 461900 1207560 132 02:10:01 6258088 7539908 279712 3.44 32168 1454844 724368 7.89 462240 1208116 244 02:20:01 5226240 7350520 420676 5.17 85424 2202720 869544 9.47 640352 1964132 216 02:30:16 5240512 7366920 404160 4.97 85592 2204688 845000 9.20 607300 1966256 164 02:40:01 5179508 7363156 399108 4.91 88996 2250376 864712 9.42 628244 2014620 264 02:50:01 5113512 7333848 428240 5.27 89172 2286696 868464 9.46 630956 2051120 1648 03:00:16 5113432 7338412 423520 5.21 89376 2291056 855420 9.32 618180 2055676 492 03:10:01 5095824 7322692 439252 5.40 89528 2292760 887564 9.67 650220 2057540 240 Average: 5794311 7454220 342293 4.21 55659 1789486 729068 7.94 529289 1549367 332 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 0.82 0.05 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 0.56 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.02 0.09 0.73 0.06 0.00 0.00 0.00 0.00 01:30:06 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.36 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.61 0.25 3.19 0.05 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.31 0.16 0.08 0.52 0.00 0.00 0.00 0.00 02:00:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:25 ens3 0.25 0.05 0.06 0.03 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 0.28 0.06 0.07 0.04 0.00 0.00 0.00 0.00 02:20:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:20:01 ens3 76.76 52.39 414.57 12.07 0.00 0.00 0.00 0.00 02:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:16 ens3 13.80 12.32 136.76 1.13 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 6.10 5.50 34.00 0.69 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 14.67 13.53 157.16 1.53 0.00 0.00 0.00 0.00 03:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:16 ens3 15.33 14.69 138.33 1.59 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 12.95 12.34 143.37 1.10 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 10.29 7.99 73.65 1.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12831) 05/12/26 _x86_64_ (2 CPU) 00:45:39 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:06 all 0.29 0.00 0.21 0.02 0.02 99.46 01:00:06 0 0.27 0.00 0.21 0.02 0.02 99.48 01:00:06 1 0.32 0.00 0.21 0.01 0.02 99.43 01:10:01 all 0.29 0.00 0.10 0.01 0.03 99.57 01:10:01 0 0.33 0.00 0.09 0.01 0.03 99.54 01:10:01 1 0.24 0.00 0.12 0.01 0.03 99.60 01:20:01 all 0.25 0.00 0.08 0.02 0.03 99.62 01:20:01 0 0.44 0.00 0.08 0.00 0.03 99.46 01:20:01 1 0.06 0.00 0.09 0.03 0.04 99.79 01:30:06 all 0.33 0.00 0.19 0.03 0.02 99.42 01:30:06 0 0.34 0.00 0.20 0.04 0.02 99.41 01:30:06 1 0.33 0.00 0.18 0.03 0.02 99.44 01:40:01 all 0.40 0.00 0.11 0.03 0.02 99.43 01:40:01 0 0.38 0.00 0.12 0.03 0.03 99.45 01:40:01 1 0.42 0.00 0.10 0.04 0.02 99.42 01:50:01 all 0.27 0.00 0.08 0.01 0.02 99.62 01:50:01 0 0.43 0.00 0.06 0.02 0.02 99.48 01:50:01 1 0.10 0.00 0.10 0.01 0.03 99.76 02:00:25 all 0.29 0.00 0.17 0.02 0.02 99.50 02:00:25 0 0.37 0.00 0.16 0.03 0.02 99.42 02:00:25 1 0.22 0.00 0.18 0.00 0.02 99.58 02:10:01 all 0.24 0.00 0.08 0.04 0.02 99.62 02:10:01 0 0.28 0.00 0.08 0.06 0.02 99.56 02:10:01 1 0.20 0.00 0.09 0.01 0.02 99.69 02:20:01 all 12.54 0.00 1.92 0.64 0.06 84.85 02:20:01 0 16.70 0.00 2.31 0.84 0.07 80.08 02:20:01 1 8.37 0.00 1.52 0.44 0.05 89.61 02:30:16 all 1.08 0.00 0.35 0.01 0.04 98.52 02:30:16 0 0.69 0.00 0.29 0.01 0.03 98.98 02:30:16 1 1.47 0.00 0.41 0.01 0.05 98.06 02:40:01 all 5.64 0.22 1.17 0.18 0.08 92.72 02:40:01 0 7.79 0.01 1.57 0.03 0.08 90.52 02:40:01 1 3.55 0.42 0.78 0.32 0.07 94.86 02:40:01 CPU %user %nice %system %iowait %steal %idle 02:50:01 all 4.22 0.00 0.74 0.01 0.06 94.98 02:50:01 0 5.28 0.00 0.90 0.01 0.06 93.75 02:50:01 1 3.16 0.00 0.58 0.01 0.06 96.19 03:00:16 all 1.86 0.00 0.44 0.02 0.04 97.64 03:00:16 0 2.66 0.00 0.51 0.02 0.05 96.76 03:00:16 1 1.07 0.00 0.37 0.02 0.04 98.51 03:10:01 all 1.13 0.00 0.27 0.01 0.06 98.53 03:10:01 0 0.96 0.00 0.20 0.01 0.05 98.78 03:10:01 1 1.31 0.00 0.34 0.01 0.06 98.28 Average: all 2.04 0.01 0.42 0.07 0.04 97.42 Average: 0 2.60 0.00 0.48 0.08 0.04 96.80 Average: 1 1.48 0.03 0.36 0.07 0.04 98.03