---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27686 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 781 5104 4 2348 7160 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:21:0c:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.74/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79242sec preferred_lft 79242sec inet6 fe80::f816:3eff:fe21:c08/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27686) 06/16/26 _x86_64_ (2 CPU) 00:41:41 LINUX RESTART (2 CPU) 00:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.58 0.01 1.54 0.03 0.05 18.77 664.62 01:10:02 1.36 0.00 1.34 0.02 0.00 16.00 1.32 01:20:02 1.96 0.26 1.67 0.03 32.04 75.44 1.32 01:30:01 1.60 0.00 1.57 0.03 0.00 19.44 874.22 01:40:02 1.62 0.25 1.35 0.02 8.66 33.02 1.20 01:50:02 25.06 2.75 19.96 2.36 218.55 3666.97 1325.27 02:00:02 15.15 0.00 1.62 13.53 0.15 26.28 106505.24 02:10:02 1.30 0.00 1.30 0.00 0.00 19.52 0.03 02:20:02 1.29 0.00 1.28 0.01 0.00 137.88 396.49 02:30:01 1.52 0.00 1.49 0.03 0.00 31.64 1.10 02:40:02 4.71 0.08 3.56 1.07 5.88 274.21 1534.37 Average: 5.20 0.30 3.33 1.56 24.12 392.70 10118.47 00:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6275956 7527216 292936 3.60 30784 1426276 531632 5.79 442948 1187704 188 01:10:02 6282592 7534400 285740 3.51 30996 1426604 531696 5.79 443076 1188244 176 01:20:02 6229072 7508044 311660 3.83 31380 1453024 531892 5.79 452592 1205972 180 01:30:01 6232036 7511588 308020 3.79 31592 1453352 531892 5.79 452660 1206512 240 01:40:02 6238696 7526704 292808 3.60 31848 1461476 537256 5.85 459564 1213936 204 01:50:02 5150876 7351876 415024 5.10 87016 2274344 635768 6.92 602308 2037380 308 02:00:02 5164924 7368028 398804 4.90 87148 2276312 644328 7.02 602320 2039452 228 02:10:02 5140024 7344588 422248 5.19 87300 2277620 663096 7.22 621600 2040912 224 02:20:02 5119988 7361336 405372 4.98 87440 2314188 652216 7.10 609964 2077612 336 02:30:01 5070060 7315752 450904 5.54 87564 2318344 687532 7.49 645684 2081772 276 02:40:02 5308608 7406640 369460 4.54 89488 2177196 599596 6.53 592652 1941016 25016 Average: 5655712 7432379 359361 4.42 62051 1896249 595173 6.48 538670 1656410 2489 00:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.60 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 1.09 0.06 11.96 0.03 0.00 0.00 0.00 0.00 01:20:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.97 0.46 3.24 0.09 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.32 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 3.49 1.63 10.09 1.16 0.00 0.00 0.00 0.00 01:50:02 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:02 ens3 71.67 51.93 416.58 11.52 0.00 0.00 0.00 0.00 02:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:02 ens3 14.58 13.00 140.16 1.16 0.00 0.00 0.00 0.00 02:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:02 ens3 5.38 4.99 33.10 0.63 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 17.00 16.25 185.26 1.70 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 21.15 20.51 225.18 1.95 0.00 0.00 0.00 0.00 02:40:02 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 02:40:02 ens3 18.63 15.91 71.33 9.43 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 14.08 11.35 99.71 2.52 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27686) 06/16/26 _x86_64_ (2 CPU) 00:41:41 LINUX RESTART (2 CPU) 00:50:02 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.32 0.00 0.17 0.16 0.03 99.32 01:00:01 0 0.45 0.00 0.17 0.21 0.03 99.13 01:00:01 1 0.19 0.00 0.16 0.11 0.03 99.52 01:10:02 all 0.24 0.00 0.08 0.03 0.03 99.62 01:10:02 0 0.06 0.00 0.10 0.04 0.03 99.77 01:10:02 1 0.42 0.00 0.06 0.02 0.02 99.47 01:20:02 all 0.36 0.00 0.11 0.03 0.03 99.48 01:20:02 0 0.28 0.00 0.10 0.02 0.03 99.58 01:20:02 1 0.43 0.00 0.12 0.03 0.03 99.39 01:30:01 all 0.25 0.00 0.17 0.01 0.04 99.53 01:30:01 0 0.15 0.00 0.19 0.02 0.04 99.61 01:30:01 1 0.34 0.00 0.15 0.01 0.04 99.45 01:40:02 all 0.32 0.00 0.07 0.01 0.03 99.56 01:40:02 0 0.21 0.00 0.09 0.02 0.04 99.64 01:40:02 1 0.43 0.00 0.06 0.00 0.03 99.48 01:50:02 all 12.03 0.00 1.81 6.90 0.06 79.19 01:50:02 0 12.77 0.00 1.87 10.50 0.06 74.80 01:50:02 1 11.29 0.00 1.76 3.30 0.07 83.59 02:00:02 all 0.93 0.00 0.33 0.04 0.06 98.64 02:00:02 0 0.90 0.00 0.29 0.01 0.06 98.74 02:00:02 1 0.96 0.00 0.36 0.08 0.07 98.54 02:10:02 all 8.50 0.00 0.58 0.01 0.07 90.85 02:10:02 0 13.70 0.00 0.80 0.01 0.07 85.42 02:10:02 1 3.06 0.00 0.35 0.01 0.06 96.51 02:20:02 all 3.70 0.00 0.37 0.01 0.06 95.86 02:20:02 0 5.55 0.00 0.54 0.00 0.06 93.85 02:20:02 1 1.84 0.00 0.19 0.01 0.06 97.90 02:30:01 all 1.66 0.00 0.43 0.01 0.06 97.84 02:30:01 0 1.24 0.00 0.37 0.01 0.05 98.33 02:30:01 1 2.08 0.00 0.49 0.01 0.07 97.35 02:40:02 all 3.84 0.00 0.49 0.12 0.06 95.49 02:40:02 0 3.64 0.00 0.54 0.21 0.07 95.55 02:40:02 1 4.03 0.00 0.45 0.04 0.05 95.43 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.93 0.00 0.42 0.67 0.05 95.94 Average: 0 3.57 0.00 0.46 1.00 0.05 94.92 Average: 1 2.28 0.00 0.38 0.33 0.05 96.97