---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23544 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 745 5150 4 2338 7196 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:80:7b:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.235/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79309sec preferred_lft 79309sec inet6 fe80::f816:3eff:fe80:7b91/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23544) 06/04/26 _x86_64_ (2 CPU) 00:42:38 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:12 13.81 0.01 1.47 12.33 0.20 18.32 107884.27 01:10:01 1.19 0.00 1.17 0.02 0.00 14.02 1.00 01:20:01 1.18 0.00 1.17 0.02 0.01 14.34 1.20 01:30:12 1.48 0.00 1.45 0.03 0.00 18.16 643.64 01:40:01 1.77 0.26 1.48 0.03 32.58 74.46 1.34 01:50:01 23.70 3.02 18.40 2.28 228.30 3425.67 660.99 02:00:12 1.58 0.00 1.56 0.02 0.00 26.25 0.28 02:10:01 1.28 0.00 1.28 0.00 0.00 17.91 0.04 02:20:01 1.41 0.00 1.38 0.02 0.00 139.41 396.25 02:30:12 1.62 0.00 1.57 0.05 0.00 32.80 0.81 02:40:01 4.06 0.04 3.15 0.87 1.45 287.40 1862.21 Average: 4.84 0.30 3.10 1.44 23.82 369.46 10306.93 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:12 6304424 7552316 267848 3.29 30676 1422884 537988 5.86 444800 1183480 192 01:10:01 6303380 7551804 268364 3.30 30872 1423204 537988 5.86 444960 1184004 284 01:20:01 6310688 7559660 260500 3.20 31084 1423532 538052 5.86 445456 1184544 164 01:30:12 6282020 7531540 288508 3.55 31296 1423872 538268 5.86 450712 1185088 152 01:40:01 6255680 7532388 287248 3.53 31672 1450304 538400 5.86 460140 1202700 180 01:50:01 5171584 7366316 401240 4.93 86524 2268936 639816 6.97 598568 2030628 440 02:00:12 5107064 7303940 463560 5.70 86672 2270924 648368 7.06 598616 2032764 120 02:10:01 5187552 7385568 381928 4.70 86800 2271932 668056 7.28 618960 2033900 260 02:20:01 5127324 7362480 404960 4.98 87000 2308756 656288 7.15 606136 2070924 156 02:30:12 5080108 7319652 447692 5.50 87160 2312912 690488 7.52 640788 2075124 192 02:40:01 5309376 7396932 379736 4.67 88600 2167996 625976 6.82 609980 1931356 24072 Average: 5676291 7442054 350144 4.31 61669 1885932 601790 6.55 538101 1646774 2383 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:12 ens3 0.76 0.06 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 0.70 0.06 7.38 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 0.65 0.09 0.56 0.06 0.00 0.00 0.00 0.00 01:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:12 ens3 0.36 0.09 0.07 0.40 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 0.72 0.29 3.29 0.10 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 72.45 53.44 427.71 12.32 0.00 0.00 0.00 0.00 02:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:12 ens3 15.58 13.95 165.28 1.22 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 2.98 2.53 5.16 0.47 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 17.78 16.70 185.42 1.73 0.00 0.00 0.00 0.00 02:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:12 ens3 21.30 20.15 220.76 1.91 0.00 0.00 0.00 0.00 02:40:01 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 17.84 14.79 71.83 9.14 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 13.76 11.13 99.35 2.48 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23544) 06/04/26 _x86_64_ (2 CPU) 00:42:38 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:12 all 0.29 0.00 0.17 0.03 0.04 99.47 01:00:12 0 0.35 0.00 0.16 0.01 0.03 99.45 01:00:12 1 0.23 0.00 0.18 0.05 0.05 99.49 01:10:01 all 0.24 0.00 0.07 0.01 0.04 99.64 01:10:01 0 0.05 0.00 0.08 0.01 0.04 99.82 01:10:01 1 0.43 0.00 0.07 0.01 0.04 99.46 01:20:01 all 0.22 0.00 0.07 0.01 0.04 99.66 01:20:01 0 0.06 0.00 0.08 0.01 0.05 99.80 01:20:01 1 0.39 0.00 0.06 0.01 0.04 99.51 01:30:12 all 0.30 0.00 0.15 0.01 0.04 99.50 01:30:12 0 0.17 0.00 0.14 0.01 0.04 99.63 01:30:12 1 0.44 0.00 0.16 0.00 0.03 99.37 01:40:01 all 0.32 0.00 0.10 0.02 0.04 99.52 01:40:01 0 0.36 0.00 0.12 0.04 0.04 99.45 01:40:01 1 0.29 0.00 0.08 0.01 0.03 99.59 01:50:01 all 12.00 0.00 1.77 0.51 0.08 85.64 01:50:01 0 14.25 0.00 1.82 0.43 0.08 83.42 01:50:01 1 9.74 0.00 1.73 0.59 0.08 87.85 02:00:12 all 0.93 0.00 0.32 0.01 0.09 98.66 02:00:12 0 0.75 0.00 0.31 0.01 0.06 98.87 02:00:12 1 1.10 0.00 0.33 0.01 0.11 98.45 02:10:01 all 6.05 0.00 0.49 0.01 0.09 93.36 02:10:01 0 6.38 0.00 0.51 0.01 0.07 93.04 02:10:01 1 5.74 0.00 0.47 0.01 0.11 93.68 02:20:01 all 1.87 0.00 0.28 0.01 0.09 97.75 02:20:01 0 1.91 0.00 0.25 0.00 0.08 97.76 02:20:01 1 1.82 0.00 0.31 0.02 0.10 97.75 02:30:12 all 1.60 0.00 0.41 0.01 0.09 97.89 02:30:12 0 2.16 0.00 0.47 0.01 0.08 97.28 02:30:12 1 1.04 0.00 0.35 0.01 0.10 98.49 02:40:01 all 3.16 0.00 0.42 0.06 0.09 96.27 02:40:01 0 2.70 0.00 0.40 0.03 0.09 96.77 02:40:01 1 3.63 0.00 0.44 0.08 0.08 95.78 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.43 0.00 0.39 0.06 0.07 97.05 Average: 0 2.63 0.00 0.39 0.05 0.06 96.87 Average: 1 2.24 0.00 0.38 0.07 0.07 97.24