---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20180 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 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 5134 4 2341 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:a2:f9:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78897sec preferred_lft 78897sec inet6 fe80::f816:3eff:fea2:f9b8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20180) 05/26/26 _x86_64_ (2 CPU) 00:46:09 LINUX RESTART (2 CPU) 00:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.66 0.03 1.62 0.01 1.26 19.65 666.35 01:10:01 1.30 0.01 1.28 0.01 0.05 15.60 1.08 01:20:12 1.19 0.00 1.17 0.02 0.01 14.55 1.07 01:30:01 1.57 0.00 1.54 0.03 0.00 19.48 667.09 01:40:01 1.36 0.00 1.34 0.02 0.00 16.02 1.20 01:50:08 1.89 0.41 1.46 0.02 15.84 49.08 1.20 02:00:01 22.83 2.64 17.87 2.32 214.08 3450.80 676.69 02:10:01 1.34 0.00 1.32 0.02 0.00 21.41 1.25 02:20:02 1.37 0.00 1.35 0.02 0.00 19.85 1.12 02:30:01 15.18 0.00 1.64 13.53 0.15 141.98 106956.89 02:40:01 1.31 0.00 1.28 0.02 0.00 30.63 1.64 02:50:07 3.25 0.05 2.55 0.66 1.53 113.42 1806.08 Average: 4.50 0.26 2.86 1.39 19.25 323.26 9222.67 00:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6254676 7531592 288132 3.54 30888 1451288 736580 8.02 464412 1204644 124 01:10:01 6254676 7532144 287508 3.54 31108 1451616 736580 8.02 464444 1205192 132 01:20:12 6254424 7532452 287180 3.53 31308 1451976 736724 8.02 464832 1205748 180 01:30:01 6259784 7538360 281300 3.46 31540 1452280 736788 8.03 464920 1206288 124 01:40:01 6266088 7545188 274464 3.37 31732 1452608 736796 8.03 465372 1206808 124 01:50:08 6218284 7512704 306584 3.77 32080 1467496 758548 8.26 499748 1220396 432 02:00:01 5171292 7368684 398732 4.90 86848 2271180 841712 9.17 609424 2034956 292 02:10:01 5100600 7300156 467240 5.75 87028 2273172 850264 9.26 609648 2037124 540 02:20:02 5176076 7376812 390576 4.80 87196 2274184 870064 9.48 628432 2038304 212 02:30:01 5081888 7319924 447284 5.50 87372 2311228 859648 9.36 618124 2075492 908 02:40:01 5071852 7314240 452944 5.57 87540 2315352 893488 9.73 652332 2079660 240 02:50:07 5273340 7364304 411824 5.06 88748 2170692 851848 9.28 643792 1935924 60428 Average: 5698582 7436380 357814 4.40 59449 1861923 800753 8.72 548790 1620878 5311 00:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.95 0.07 0.10 0.04 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.49 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 0.52 0.09 0.12 0.06 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 0.39 0.06 0.10 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 0.41 0.07 0.11 0.05 0.00 0.00 0.00 0.00 01:50:08 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:08 ens3 8.04 4.75 19.84 3.12 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 65.81 49.58 411.73 9.72 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 15.25 13.20 168.19 1.16 0.00 0.00 0.00 0.00 02:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 2.55 2.07 5.03 0.43 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 17.63 16.35 185.87 1.70 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 21.59 20.80 224.69 1.99 0.00 0.00 0.00 0.00 02:50:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:07 ens3 16.38 13.43 69.45 8.47 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 12.47 10.02 90.17 2.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20180) 05/26/26 _x86_64_ (2 CPU) 00:46:09 LINUX RESTART (2 CPU) 00:50:12 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.30 0.00 0.19 0.10 0.02 99.39 01:00:01 0 0.28 0.00 0.18 0.16 0.02 99.37 01:00:01 1 0.33 0.00 0.20 0.04 0.02 99.41 01:10:01 all 0.26 0.00 0.09 0.01 0.02 99.62 01:10:01 0 0.26 0.00 0.08 0.01 0.02 99.63 01:10:01 1 0.27 0.00 0.10 0.01 0.02 99.61 01:20:12 all 0.28 0.00 0.08 0.03 0.02 99.59 01:20:12 0 0.25 0.00 0.08 0.04 0.02 99.61 01:20:12 1 0.31 0.00 0.08 0.01 0.02 99.57 01:30:01 all 0.30 0.00 0.18 0.02 0.02 99.48 01:30:01 0 0.49 0.00 0.17 0.01 0.02 99.32 01:30:01 1 0.10 0.00 0.20 0.04 0.03 99.64 01:40:01 all 0.29 0.00 0.08 0.01 0.03 99.60 01:40:01 0 0.49 0.00 0.05 0.01 0.02 99.43 01:40:01 1 0.10 0.00 0.10 0.01 0.03 99.76 01:50:08 all 0.60 0.00 0.12 0.01 0.03 99.24 01:50:08 0 0.64 0.00 0.12 0.01 0.02 99.20 01:50:08 1 0.55 0.00 0.11 0.02 0.03 99.28 02:00:01 all 12.07 0.00 1.86 0.61 0.06 85.40 02:00:01 0 14.90 0.00 1.98 0.75 0.06 82.30 02:00:01 1 9.24 0.00 1.73 0.47 0.07 88.50 02:10:01 all 0.96 0.00 0.23 0.09 0.06 98.66 02:10:01 0 1.05 0.00 0.28 0.15 0.07 98.46 02:10:01 1 0.86 0.00 0.18 0.04 0.06 98.86 02:20:02 all 5.95 0.00 0.72 0.35 0.20 92.78 02:20:02 0 7.91 0.00 0.95 0.01 0.24 90.89 02:20:02 1 4.04 0.00 0.50 0.67 0.15 94.63 02:30:01 all 2.38 0.00 0.46 0.11 0.05 97.00 02:30:01 0 1.67 0.00 0.39 0.01 0.05 97.88 02:30:01 1 3.08 0.00 0.53 0.22 0.05 96.11 02:40:01 all 1.74 0.00 0.35 0.37 0.16 97.38 02:40:01 0 1.68 0.00 0.49 0.73 0.26 96.83 02:40:01 1 1.79 0.00 0.21 0.01 0.07 97.93 02:40:01 CPU %user %nice %system %iowait %steal %idle 02:50:07 all 2.93 0.00 0.37 0.12 0.05 96.53 02:50:07 0 4.80 0.00 0.48 0.16 0.06 94.51 02:50:07 1 1.07 0.00 0.26 0.08 0.04 98.56 Average: all 2.32 0.00 0.39 0.15 0.06 97.08 Average: 0 2.84 0.00 0.43 0.17 0.07 96.48 Average: 1 1.80 0.00 0.35 0.13 0.05 97.67