---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32477 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: 5600.00 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 772 5187 4 2274 7169 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:fa:26:74 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.46/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79502sec preferred_lft 79502sec inet6 fe80::f816:3eff:fefa:2674/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32477) 07/03/26 _x86_64_ (2 CPU) 00:38:16 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.48 0.02 1.45 0.00 1.24 17.24 0.12 01:00:01 1.61 0.01 1.58 0.02 0.05 18.65 654.50 01:10:01 1.84 0.25 1.56 0.03 30.97 75.28 1.37 01:20:01 1.38 0.01 1.37 0.00 1.07 16.47 0.05 01:30:01 1.53 0.00 1.51 0.02 0.00 18.72 871.09 01:40:01 1.32 0.00 1.32 0.00 0.00 15.87 0.00 01:50:01 1.32 0.00 1.32 0.00 0.00 15.81 0.00 02:00:01 23.38 2.99 18.11 2.29 227.02 3469.84 494.47 02:10:01 1.22 0.00 1.22 0.00 0.00 16.79 0.00 02:20:01 14.88 0.00 1.39 13.48 0.15 19.69 106494.50 02:30:01 1.48 0.00 1.47 0.01 0.00 20.39 0.23 Average: 4.68 0.30 2.94 1.44 23.68 336.80 9864.99 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6294176 7540792 279812 3.44 30532 1421768 531024 5.78 447220 1183212 124 01:00:01 6299712 7546880 273652 3.36 30728 1422100 531112 5.78 447532 1183740 124 01:10:01 6245696 7519988 300064 3.69 31108 1448496 730144 7.95 462376 1201752 168 01:20:01 6253060 7528188 291888 3.59 31292 1449136 531412 5.79 457240 1202264 124 01:30:01 6252988 7528668 291360 3.58 31480 1449472 531412 5.79 456960 1202788 124 01:40:01 6253056 7529360 290664 3.57 31648 1449920 531468 5.79 457480 1203276 140 01:50:01 6253056 7529860 290156 3.57 31824 1450240 531468 5.79 457620 1203772 264 02:00:01 5102720 7304372 462716 5.69 87180 2274624 704956 7.68 653972 2038092 304 02:10:01 5101080 7303584 463516 5.70 87316 2275344 706184 7.69 654808 2038948 124 02:20:01 5099356 7303252 463688 5.70 87440 2276620 706328 7.69 655400 2040304 152 02:30:01 5097320 7302244 464724 5.71 87588 2277492 706380 7.69 655532 2041212 124 Average: 5841111 7448835 352022 4.33 51649 1745019 612899 6.68 527831 1503578 161 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 2.64 0.09 0.36 0.06 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.55 0.09 0.09 0.04 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.96 0.36 3.37 0.15 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 0.63 0.24 0.14 0.70 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 0.33 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.36 0.07 0.10 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 0.29 0.07 0.08 0.04 0.00 0.00 0.00 0.00 02:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 75.41 55.01 397.37 12.37 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 18.50 13.07 180.11 0.86 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 20.17 15.38 200.35 1.04 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 19.28 13.04 190.48 0.86 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 12.65 8.86 88.41 1.47 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32477) 07/03/26 _x86_64_ (2 CPU) 00:38:16 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.27 0.00 0.09 0.02 0.02 99.61 00:50:01 0 0.20 0.00 0.08 0.02 0.02 99.69 00:50:01 1 0.35 0.00 0.09 0.02 0.02 99.53 01:00:01 all 0.30 0.00 0.17 0.02 0.02 99.49 01:00:01 0 0.31 0.00 0.18 0.02 0.02 99.48 01:00:01 1 0.30 0.00 0.16 0.01 0.02 99.51 01:10:01 all 0.39 0.00 0.10 0.02 0.02 99.47 01:10:01 0 0.34 0.00 0.08 0.02 0.02 99.54 01:10:01 1 0.44 0.00 0.12 0.03 0.02 99.39 01:20:01 all 0.24 0.00 0.08 0.01 0.02 99.65 01:20:01 0 0.37 0.00 0.06 0.02 0.01 99.54 01:20:01 1 0.12 0.00 0.10 0.00 0.02 99.76 01:30:01 all 0.27 0.00 0.17 0.01 0.02 99.54 01:30:01 0 0.47 0.00 0.15 0.02 0.01 99.36 01:30:01 1 0.07 0.00 0.18 0.00 0.02 99.73 01:40:01 all 0.26 0.00 0.06 0.01 0.02 99.66 01:40:01 0 0.46 0.00 0.05 0.01 0.01 99.48 01:40:01 1 0.05 0.00 0.08 0.01 0.02 99.84 01:50:01 all 0.23 0.00 0.07 0.01 0.02 99.67 01:50:01 0 0.23 0.00 0.08 0.01 0.02 99.68 01:50:01 1 0.24 0.00 0.07 0.02 0.02 99.66 02:00:01 all 12.21 0.00 1.86 0.69 0.05 85.19 02:00:01 0 7.91 0.00 1.58 0.53 0.04 89.95 02:00:01 1 16.53 0.00 2.14 0.85 0.06 80.42 02:10:01 all 0.51 0.00 0.18 1.14 0.04 98.14 02:10:01 0 0.48 0.00 0.18 0.06 0.04 99.24 02:10:01 1 0.53 0.00 0.18 2.22 0.04 97.03 02:20:01 all 0.67 0.00 0.21 0.08 0.03 99.01 02:20:01 0 0.79 0.00 0.21 0.01 0.03 98.96 02:20:01 1 0.54 0.00 0.21 0.15 0.03 99.06 02:30:01 all 0.77 0.00 0.29 4.73 0.03 94.17 02:30:01 0 0.45 0.00 0.23 8.18 0.02 91.11 02:30:01 1 1.09 0.00 0.36 1.27 0.05 97.23 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.46 0.00 0.30 0.61 0.03 97.60 Average: 0 1.09 0.00 0.26 0.81 0.02 97.82 Average: 1 1.84 0.00 0.33 0.41 0.03 97.38