---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26760 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 8.3G 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 758 4850 4 2628 7183 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:d6:b6:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79011sec preferred_lft 79011sec inet6 fe80::f816:3eff:fed6:b686/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26760) 06/12/26 _x86_64_ (2 CPU) 00:42:21 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:07 1.45 0.01 1.43 0.01 0.05 17.56 431.23 01:10:07 13.88 0.00 1.32 12.56 0.15 16.36 109274.64 01:20:01 1.75 0.28 1.45 0.02 33.47 74.54 0.58 01:30:07 1.47 0.00 1.45 0.02 0.00 18.33 861.86 01:40:05 1.54 0.40 1.14 0.00 15.89 45.91 0.00 01:50:01 23.23 2.61 18.29 2.33 211.45 3460.67 562.87 02:00:08 1.42 0.00 1.41 0.01 0.00 18.18 0.22 02:10:08 1.38 0.00 1.38 0.00 0.00 17.75 0.00 02:20:01 1.51 0.00 1.49 0.02 0.00 441.55 2.39 02:30:08 1.58 0.00 1.55 0.02 0.00 150.03 1.82 02:40:08 1.32 0.00 1.32 0.00 0.00 17.01 0.00 Average: 4.58 0.30 2.92 1.36 23.55 386.18 10085.31 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:07 6299732 7546604 273868 3.37 30672 1421892 531676 5.79 445912 1183492 188 01:10:07 6298332 7545800 274596 3.38 30888 1422268 531700 5.79 446264 1184056 188 01:20:01 6230792 7505712 314092 3.86 31236 1449000 735960 8.02 461372 1201812 128 01:30:07 6252208 7527676 292096 3.59 31428 1449332 735960 8.02 461408 1202328 200 01:40:05 6232632 7523432 296084 3.64 31724 1464156 752268 8.19 487304 1215812 296 01:50:01 4946076 7150788 615964 7.57 86744 2278064 1019472 11.10 774124 2041128 280 02:00:08 4926040 7131320 635332 7.81 86892 2278480 940240 10.24 694212 2041692 268 02:10:08 5099472 7314196 452448 5.56 87060 2287748 934136 10.17 672004 2051136 8932 02:20:01 4800432 7134312 630864 7.76 87216 2405460 1106164 12.05 844444 2169004 240 02:30:08 4526096 6900944 863528 10.62 87348 2445744 1185600 12.91 924152 2209284 272 02:40:08 4663156 7038608 725908 8.93 87496 2446176 1176948 12.82 914976 2209872 264 Average: 5479543 7301763 488616 6.01 61700 1940756 877284 9.56 647834 1700874 1023 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 0.64 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 1.30 0.15 7.53 0.11 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.09 0.43 4.09 0.09 0.00 0.00 0.00 0.00 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.30 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:05 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 12.49 5.82 20.29 3.36 0.00 0.00 0.00 0.00 01:50:01 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 88.65 69.53 798.76 10.68 0.00 0.00 0.00 0.00 02:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:08 ens3 31.46 28.57 475.36 1.90 0.00 0.00 0.00 0.00 02:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 76.42 72.68 1199.83 4.76 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 24.71 23.84 392.00 1.59 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 32.26 30.16 494.66 2.00 0.00 0.00 0.00 0.00 02:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 12.44 11.60 184.51 0.82 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 25.57 22.05 324.96 2.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26760) 06/12/26 _x86_64_ (2 CPU) 00:42:21 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:07 all 0.30 0.00 0.16 0.01 0.02 99.51 01:00:07 0 0.33 0.00 0.15 0.01 0.02 99.48 01:00:07 1 0.26 0.00 0.17 0.01 0.02 99.54 01:10:07 all 0.30 0.00 0.08 0.03 0.02 99.57 01:10:07 0 0.09 0.00 0.09 0.01 0.02 99.79 01:10:07 1 0.51 0.00 0.07 0.05 0.02 99.34 01:20:01 all 0.41 0.00 0.12 0.02 0.02 99.43 01:20:01 0 0.29 0.00 0.15 0.01 0.02 99.53 01:20:01 1 0.53 0.00 0.09 0.04 0.01 99.33 01:30:07 all 0.29 0.00 0.18 0.02 0.01 99.49 01:30:07 0 0.10 0.00 0.21 0.01 0.01 99.67 01:30:07 1 0.49 0.00 0.16 0.02 0.02 99.31 01:40:05 all 0.54 0.00 0.10 0.02 0.02 99.33 01:40:05 0 0.68 0.00 0.09 0.03 0.01 99.19 01:40:05 1 0.41 0.00 0.11 0.01 0.02 99.47 01:50:01 all 12.16 0.00 1.90 0.49 0.05 85.39 01:50:01 0 8.23 0.00 1.63 0.41 0.04 89.68 01:50:01 1 16.10 0.00 2.17 0.57 0.06 81.09 02:00:08 all 0.65 0.00 0.35 0.01 0.04 98.96 02:00:08 0 0.78 0.00 0.46 0.01 0.04 98.70 02:00:08 1 0.51 0.00 0.23 0.01 0.03 99.21 02:10:08 all 1.08 0.00 0.56 0.01 0.06 98.29 02:10:08 0 1.50 0.00 0.91 0.01 0.08 97.51 02:10:08 1 0.66 0.00 0.21 0.01 0.05 99.07 02:20:01 all 0.78 0.00 0.22 0.02 0.04 98.95 02:20:01 0 0.68 0.00 0.16 0.02 0.03 99.11 02:20:01 1 0.87 0.00 0.27 0.03 0.04 98.79 02:30:08 all 0.78 0.00 0.36 0.01 0.04 98.82 02:30:08 0 0.83 0.00 0.43 0.01 0.04 98.69 02:30:08 1 0.73 0.00 0.28 0.01 0.03 98.95 02:40:08 all 0.51 0.00 0.22 0.01 0.04 99.23 02:40:08 0 0.42 0.00 0.23 0.01 0.05 99.29 02:40:08 1 0.61 0.00 0.20 0.01 0.03 99.16 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.61 0.00 0.38 0.06 0.03 97.92 Average: 0 1.26 0.00 0.41 0.05 0.03 98.25 Average: 1 1.96 0.00 0.36 0.07 0.03 97.59