---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19664 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 768 5123 4 2342 7173 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:b6:e8:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.250/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78984sec preferred_lft 78984sec inet6 fe80::f816:3eff:feb6:e8cb/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-19664) 05/25/26 _x86_64_ (2 CPU) 00:37:12 LINUX RESTART (2 CPU) 00:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:11 1.36 0.03 1.33 0.00 2.26 16.01 0.17 01:00:01 1.45 0.01 1.42 0.02 0.05 17.26 443.82 01:10:31 1.28 0.00 1.27 0.02 0.00 14.77 1.16 01:20:31 1.26 0.00 1.24 0.02 0.01 14.73 1.20 01:30:41 1.38 0.00 1.35 0.03 0.00 17.13 429.73 01:40:08 1.82 0.42 1.38 0.02 16.75 50.03 1.28 01:50:01 23.04 2.66 18.07 2.31 215.05 3451.74 749.15 02:00:31 1.58 0.00 1.56 0.02 0.00 25.35 0.51 02:10:02 15.65 0.00 1.49 14.16 0.15 19.60 112017.97 02:20:41 1.57 0.00 1.56 0.01 0.00 134.52 365.37 02:30:01 1.61 0.00 1.58 0.04 0.00 32.83 1.34 02:40:31 6.11 0.08 4.49 1.54 5.84 359.71 2057.02 Average: 4.77 0.26 3.05 1.46 19.67 343.28 9185.76 00:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:11 6256136 7534152 285680 3.51 30808 1452492 519252 5.66 453896 1204472 128 01:00:01 6261416 7540020 279748 3.44 31032 1452824 519332 5.66 454176 1205028 172 01:10:31 6260420 7539600 280184 3.45 31244 1453184 519536 5.66 454284 1205600 128 01:20:31 6260420 7540132 279648 3.44 31448 1453504 519536 5.66 454532 1206124 180 01:30:41 6253124 7533396 286336 3.52 31656 1453840 519536 5.66 454560 1206668 128 01:40:08 6223264 7518868 300632 3.70 32008 1468632 536576 5.84 479296 1220164 392 01:50:01 5144948 7343716 423800 5.21 86860 2272556 646492 7.04 619904 2034904 520 02:00:31 5159080 7360008 407528 5.01 87004 2274576 654992 7.13 620720 2037068 216 02:10:02 5157416 7359496 408056 5.02 87128 2275604 674728 7.35 639612 2038188 236 02:20:41 5108200 7347656 419600 5.16 87344 2312672 719448 7.84 634476 2075464 212 02:30:01 5065960 7309672 457640 5.63 87452 2316756 698392 7.61 663100 2079540 216 02:40:31 5300684 7399416 377224 4.64 90284 2177256 616956 6.72 617552 1941220 27800 Average: 5704256 7443844 350506 4.31 59522 1863658 595398 6.49 545509 1621203 2527 00:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:11 ens3 1.08 0.10 0.15 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 0.44 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:31 ens3 0.38 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:20:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:31 ens3 0.48 0.09 0.13 0.06 0.00 0.00 0.00 0.00 01:30:41 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:41 ens3 0.27 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:08 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 12.11 4.88 21.46 3.35 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 71.26 50.55 412.72 9.85 0.00 0.00 0.00 0.00 02:00:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:31 ens3 16.63 14.87 160.10 1.27 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 3.41 2.97 5.33 0.50 0.00 0.00 0.00 0.00 02:20:41 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:41 ens3 16.44 15.35 174.12 1.60 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 23.61 22.53 240.81 2.13 0.00 0.00 0.00 0.00 02:40:31 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 02:40:31 ens3 18.09 14.83 68.28 8.98 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 13.60 10.48 89.95 2.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19664) 05/25/26 _x86_64_ (2 CPU) 00:37:12 LINUX RESTART (2 CPU) 00:40:02 CPU %user %nice %system %iowait %steal %idle 00:50:11 all 0.24 0.00 0.07 0.01 0.03 99.64 00:50:11 0 0.20 0.00 0.08 0.00 0.03 99.68 00:50:11 1 0.27 0.00 0.07 0.02 0.03 99.61 01:00:01 all 0.21 0.00 0.16 0.01 0.03 99.58 01:00:01 0 0.08 0.00 0.17 0.01 0.04 99.71 01:00:01 1 0.34 0.00 0.14 0.02 0.03 99.46 01:10:31 all 0.25 0.00 0.07 0.01 0.03 99.63 01:10:31 0 0.06 0.00 0.09 0.01 0.04 99.79 01:10:31 1 0.44 0.00 0.05 0.01 0.03 99.47 01:20:31 all 0.22 0.00 0.07 0.01 0.04 99.66 01:20:31 0 0.04 0.00 0.08 0.02 0.04 99.83 01:20:31 1 0.39 0.00 0.07 0.01 0.03 99.50 01:30:41 all 0.25 0.00 0.17 0.01 0.03 99.54 01:30:41 0 0.41 0.00 0.17 0.01 0.03 99.38 01:30:41 1 0.09 0.00 0.16 0.01 0.04 99.70 01:40:08 all 0.52 0.00 0.09 0.02 0.03 99.34 01:40:08 0 0.70 0.00 0.07 0.02 0.03 99.18 01:40:08 1 0.34 0.00 0.10 0.01 0.04 99.50 01:50:01 all 11.81 0.00 1.79 1.47 0.07 84.86 01:50:01 0 10.92 0.00 1.80 1.41 0.08 85.79 01:50:01 1 12.69 0.00 1.78 1.54 0.05 83.94 02:00:31 all 0.91 0.00 0.29 0.01 0.07 98.71 02:00:31 0 1.00 0.00 0.30 0.01 0.08 98.61 02:00:31 1 0.81 0.00 0.29 0.01 0.07 98.82 02:10:02 all 6.78 0.00 0.62 0.03 0.08 92.50 02:10:02 0 6.02 0.00 0.56 0.03 0.07 93.32 02:10:02 1 7.54 0.00 0.68 0.03 0.08 91.67 02:20:41 all 1.77 0.00 0.28 0.01 0.07 97.88 02:20:41 0 2.18 0.00 0.35 0.01 0.07 97.39 02:20:41 1 1.35 0.00 0.20 0.02 0.07 98.36 02:30:01 all 1.74 0.00 0.43 0.01 0.06 97.75 02:30:01 0 1.00 0.00 0.38 0.01 0.06 98.54 02:30:01 1 2.48 0.00 0.49 0.01 0.06 96.96 02:30:01 CPU %user %nice %system %iowait %steal %idle 02:40:31 all 4.92 0.00 0.61 0.15 0.06 94.25 02:40:31 0 6.35 0.00 0.71 0.12 0.06 92.76 02:40:31 1 3.49 0.00 0.51 0.18 0.06 95.75 Average: all 2.43 0.00 0.38 0.15 0.05 96.99 Average: 0 2.39 0.00 0.39 0.14 0.05 97.02 Average: 1 2.47 0.00 0.37 0.15 0.05 96.96