---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28208 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 793 5063 4 2377 7148 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:63:1a:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 77102sec preferred_lft 77102sec inet6 fe80::f816:3eff:fe63:1a5a/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-28208) 06/18/26 _x86_64_ (2 CPU) 01:58:06 LINUX RESTART (2 CPU) 02:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.20 0.03 1.17 0.00 1.26 14.44 0.12 02:20:39 1.22 0.01 1.21 0.00 0.06 14.56 0.11 02:30:09 2.05 0.26 1.76 0.03 32.60 80.17 688.34 02:40:00 14.01 0.01 1.24 12.77 1.22 14.83 110914.15 02:50:00 1.12 0.00 1.11 0.02 0.00 13.83 1.08 03:00:26 3.03 1.27 1.70 0.07 92.28 151.56 838.90 03:10:01 23.38 1.75 19.32 2.32 136.95 3419.64 1051.73 03:20:19 1.33 0.00 1.33 0.00 0.00 22.03 0.08 03:30:43 1.59 0.00 1.57 0.02 0.00 22.45 0.33 03:40:01 1.48 0.00 1.47 0.01 0.00 138.97 0.07 03:50:39 1.23 0.00 1.23 0.00 0.00 16.33 0.00 04:00:19 1.52 0.00 1.51 0.02 0.00 23.37 409.83 04:10:39 1.39 0.00 1.38 0.00 0.19 36.84 0.04 04:20:19 1.38 0.00 1.37 0.01 0.00 56.23 0.10 04:30:39 1.49 0.00 1.46 0.03 0.00 24.13 0.52 Average: 3.75 0.22 2.53 1.00 17.36 259.34 7445.69 02:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6295608 7546620 273912 3.37 30600 1426044 528448 5.76 446656 1187460 124 02:20:39 6300032 7551608 268948 3.31 30800 1426400 528456 5.76 446740 1188016 184 02:30:09 6240572 7519008 300900 3.70 31168 1452552 730760 7.96 466972 1205748 164 02:40:00 6246728 7526076 293828 3.61 31372 1453216 532772 5.80 464652 1206288 152 02:50:00 6246224 7526128 293812 3.61 31580 1453548 532828 5.80 464912 1206840 152 03:00:26 6017324 7418736 394316 4.85 41012 1559800 646992 7.05 592844 1309788 54344 03:10:01 5156656 7358544 408504 5.02 87012 2275032 664680 7.24 624988 2038064 340 03:20:19 5129496 7333536 433548 5.33 87144 2277048 673564 7.34 625484 2040216 124 03:30:43 5130892 7336132 430636 5.30 87332 2278068 748324 8.15 650048 2041416 144 03:40:01 5076248 7315976 450972 5.55 87448 2312356 727744 7.93 678024 2075828 124 03:50:39 5075744 7316440 450488 5.54 87608 2313164 727744 7.93 678600 2076660 204 04:00:19 5076480 7318420 448564 5.52 87724 2314272 711036 7.74 661732 2077892 216 04:10:39 5088404 7337172 429708 5.28 87884 2320856 688608 7.50 638776 2084636 120 04:20:19 5037524 7298448 468296 5.76 88048 2332692 730820 7.96 681220 2096636 212 04:30:39 5030288 7293472 473256 5.82 88192 2334776 730732 7.96 681988 2098732 160 Average: 5543215 7399754 387979 4.77 65662 1968655 660234 7.19 586909 1728948 3784 02:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.56 0.05 0.17 0.02 0.00 0.00 0.00 0.00 02:20:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:39 ens3 1.08 0.03 9.42 0.01 0.00 0.00 0.00 0.00 02:30:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:09 ens3 0.46 0.21 3.33 0.03 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.33 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.27 0.05 0.07 0.03 0.00 0.00 0.00 0.00 03:00:26 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:26 ens3 19.93 10.92 61.68 4.41 0.00 0.00 0.00 0.00 03:10:01 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:10:01 ens3 63.69 47.68 378.57 8.80 0.00 0.00 0.00 0.00 03:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:19 ens3 15.35 13.38 163.09 1.16 0.00 0.00 0.00 0.00 03:30:43 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:43 ens3 2.28 1.77 4.88 0.43 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 5.55 4.16 39.61 0.41 0.00 0.00 0.00 0.00 03:50:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:39 ens3 2.55 1.70 0.32 0.22 0.00 0.00 0.00 0.00 04:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:19 ens3 5.08 4.27 9.45 0.74 0.00 0.00 0.00 0.00 04:10:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:39 ens3 13.44 12.86 138.05 1.24 0.00 0.00 0.00 0.00 04:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:20:19 ens3 14.08 13.39 152.57 1.48 0.00 0.00 0.00 0.00 04:30:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:30:39 ens3 14.47 13.45 135.77 1.16 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 10.56 8.18 72.47 1.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28208) 06/18/26 _x86_64_ (2 CPU) 01:58:06 LINUX RESTART (2 CPU) 02:00:09 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.26 0.00 0.08 0.01 0.03 99.62 02:10:01 0 0.14 0.00 0.09 0.01 0.04 99.72 02:10:01 1 0.39 0.00 0.06 0.01 0.03 99.52 02:20:39 all 0.25 0.00 0.07 0.01 0.03 99.63 02:20:39 0 0.05 0.00 0.08 0.01 0.04 99.82 02:20:39 1 0.45 0.00 0.07 0.01 0.03 99.44 02:30:09 all 0.43 0.00 0.19 0.02 0.03 99.32 02:30:09 0 0.20 0.00 0.21 0.01 0.03 99.55 02:30:09 1 0.67 0.00 0.18 0.04 0.03 99.09 02:40:00 all 0.28 0.00 0.08 0.03 0.03 99.58 02:40:00 0 0.36 0.00 0.06 0.01 0.02 99.54 02:40:00 1 0.20 0.00 0.09 0.05 0.04 99.62 02:50:00 all 0.27 0.00 0.07 0.01 0.03 99.62 02:50:00 0 0.49 0.00 0.05 0.02 0.02 99.42 02:50:00 1 0.06 0.00 0.09 0.00 0.04 99.82 03:00:26 all 1.31 0.00 0.35 0.06 0.03 98.25 03:00:26 0 0.81 0.00 0.30 0.06 0.03 98.80 03:00:26 1 1.81 0.00 0.39 0.06 0.03 97.71 03:10:01 all 11.49 0.00 1.69 1.48 0.06 85.28 03:10:01 0 11.37 0.00 1.77 1.01 0.05 85.80 03:10:01 1 11.62 0.00 1.60 1.95 0.08 84.75 03:20:19 all 0.92 0.00 0.22 0.03 0.05 98.79 03:20:19 0 1.27 0.00 0.29 0.05 0.06 98.34 03:20:19 1 0.56 0.00 0.15 0.00 0.04 99.25 03:30:43 all 6.81 0.00 0.88 0.02 0.07 92.23 03:30:43 0 11.61 0.00 1.39 0.02 0.08 86.90 03:30:43 1 2.24 0.00 0.39 0.01 0.06 97.29 03:40:01 all 1.08 0.00 0.23 0.02 0.05 98.62 03:40:01 0 0.93 0.00 0.24 0.01 0.05 98.78 03:40:01 1 1.23 0.00 0.22 0.03 0.05 98.47 03:50:39 all 0.66 0.00 0.16 0.01 0.05 99.11 03:50:39 0 0.67 0.00 0.19 0.00 0.07 99.07 03:50:39 1 0.65 0.00 0.13 0.02 0.03 99.16 03:50:39 CPU %user %nice %system %iowait %steal %idle 04:00:19 all 0.87 0.00 0.27 0.01 0.05 98.81 04:00:19 0 0.90 0.00 0.28 0.01 0.05 98.76 04:00:19 1 0.84 0.00 0.25 0.01 0.04 98.85 04:10:39 all 1.83 0.00 0.28 0.03 0.04 97.82 04:10:39 0 2.20 0.00 0.38 0.02 0.05 97.35 04:10:39 1 1.45 0.00 0.19 0.04 0.03 98.30 04:20:19 all 2.12 0.00 0.42 0.04 0.04 97.38 04:20:19 0 1.47 0.00 0.36 0.05 0.05 98.08 04:20:19 1 2.77 0.00 0.47 0.04 0.04 96.67 04:30:39 all 0.91 0.00 0.29 0.01 0.05 98.74 04:30:39 0 1.18 0.00 0.36 0.01 0.06 98.38 04:30:39 1 0.64 0.00 0.22 0.00 0.03 99.10 Average: all 1.94 0.00 0.35 0.11 0.04 97.56 Average: 0 2.20 0.00 0.40 0.08 0.05 97.27 Average: 1 1.67 0.00 0.30 0.15 0.04 97.85