---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22070 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 766 5130 4 2336 7175 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:39:c7:54 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.68/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79355sec preferred_lft 79355sec inet6 fe80::f816:3eff:fe39:c754/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22070) 06/01/26 _x86_64_ (2 CPU) 00:40:53 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:10 1.53 0.01 1.51 0.02 0.05 17.90 430.15 01:10:30 1.96 0.25 1.69 0.03 30.99 74.30 1.50 01:20:01 14.57 0.01 1.40 13.17 0.17 16.24 114580.78 01:30:10 1.58 0.00 1.57 0.01 0.00 19.04 0.26 01:40:20 2.76 1.31 1.43 0.01 94.71 109.76 0.25 01:50:01 22.23 1.75 18.15 2.33 136.24 3398.05 901.98 02:00:30 1.39 0.00 1.38 0.02 0.00 23.42 0.29 02:10:00 1.56 0.00 1.55 0.01 0.00 138.09 0.41 02:20:01 1.30 0.00 1.27 0.03 0.00 31.52 399.23 02:30:10 1.59 0.00 1.54 0.05 0.00 30.25 4.47 Average: 4.92 0.33 3.09 1.50 26.02 374.65 11069.20 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:10 6286100 7532860 287640 3.54 30692 1421748 532028 5.79 448696 1183464 224 01:10:30 6233668 7507608 312480 3.84 31088 1448204 532064 5.80 461192 1201236 188 01:20:01 6234344 7508828 311168 3.83 31240 1448568 532200 5.80 461460 1201728 192 01:30:10 6243372 7518392 301568 3.71 31420 1448900 532264 5.80 461456 1202240 132 01:40:20 6005564 7378712 435256 5.35 39252 1534044 620112 6.75 573008 1282584 40500 01:50:01 5153260 7346776 421092 5.18 86592 2267684 660812 7.20 618612 2030512 260 02:00:30 5149944 7345576 422292 5.19 86732 2269668 674484 7.35 622628 2032636 200 02:10:00 5094156 7324616 443084 5.45 86872 2304276 715372 7.79 663808 2067380 576 02:20:01 5117220 7353324 414304 5.09 87036 2309696 684116 7.45 632172 2072952 1488 02:30:10 5103556 7342112 425420 5.23 87208 2311924 684416 7.45 632548 2075240 196 Average: 5662118 7415880 377430 4.64 59813 1876471 616787 6.72 557558 1634997 4396 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 0.50 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:10:30 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:30 ens3 0.77 0.28 3.15 0.07 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 0.53 0.09 0.13 0.06 0.00 0.00 0.00 0.00 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 0.67 0.05 0.12 0.03 0.00 0.00 0.00 0.00 01:40:20 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:20 ens3 21.41 10.58 50.28 4.80 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 59.79 47.21 389.11 8.35 0.00 0.00 0.00 0.00 02:00:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:30 ens3 15.81 14.10 160.55 1.22 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 6.16 5.09 43.66 0.66 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 17.49 16.85 149.95 2.06 0.00 0.00 0.00 0.00 02:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:10 ens3 19.34 18.74 220.31 1.70 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 14.16 11.23 101.36 1.88 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22070) 06/01/26 _x86_64_ (2 CPU) 00:40:53 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:10 all 0.31 0.00 0.16 0.01 0.03 99.49 01:00:10 0 0.14 0.00 0.17 0.00 0.03 99.65 01:00:10 1 0.47 0.00 0.16 0.01 0.03 99.33 01:10:30 all 0.38 0.00 0.10 0.02 0.03 99.46 01:10:30 0 0.42 0.00 0.09 0.03 0.03 99.43 01:10:30 1 0.34 0.00 0.11 0.02 0.04 99.49 01:20:01 all 0.26 0.00 0.09 0.03 0.03 99.59 01:20:01 0 0.36 0.00 0.09 0.02 0.03 99.51 01:20:01 1 0.17 0.00 0.09 0.04 0.03 99.67 01:30:10 all 0.26 0.00 0.16 0.01 0.03 99.54 01:30:10 0 0.23 0.00 0.17 0.02 0.03 99.55 01:30:10 1 0.29 0.00 0.15 0.00 0.04 99.52 01:40:20 all 1.05 0.00 0.24 0.04 0.03 98.64 01:40:20 0 1.52 0.00 0.23 0.06 0.02 98.17 01:40:20 1 0.58 0.00 0.25 0.02 0.03 99.12 01:50:01 all 11.58 0.00 1.69 0.63 0.07 86.03 01:50:01 0 9.16 0.00 1.57 0.64 0.07 88.57 01:50:01 1 14.01 0.00 1.81 0.62 0.07 83.49 02:00:30 all 0.92 0.00 0.30 0.01 0.06 98.71 02:00:30 0 1.17 0.00 0.39 0.00 0.08 98.35 02:00:30 1 0.68 0.00 0.21 0.01 0.04 99.06 02:10:00 all 9.32 0.00 0.66 0.01 0.08 89.92 02:10:00 0 14.91 0.00 0.92 0.01 0.08 84.09 02:10:00 1 3.51 0.00 0.40 0.01 0.08 96.00 02:20:01 all 2.09 0.00 0.31 0.01 0.06 97.54 02:20:01 0 2.21 0.00 0.43 0.01 0.08 97.28 02:20:01 1 1.97 0.00 0.18 0.00 0.05 97.80 02:30:10 all 1.05 0.00 0.36 0.02 0.06 98.51 02:30:10 0 0.93 0.00 0.31 0.02 0.05 98.70 02:30:10 1 1.17 0.00 0.40 0.03 0.08 98.32 Average: all 2.65 0.00 0.40 0.08 0.05 96.83 Average: 0 3.03 0.00 0.43 0.08 0.05 96.41 Average: 1 2.26 0.00 0.37 0.07 0.05 97.25