---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-50280 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: 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: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp 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 Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 18G 60G 23% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 704 10930 4 4354 14942 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:e2:80:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.234/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79279sec preferred_lft 79279sec inet6 fe80::f816:3eff:fee2:80f3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:7f:ab:27:9a:52 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-50280) 03/05/26 _x86_64_ (4 CPU) 08:16:13 LINUX RESTART (4 CPU) 08:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:02 106.16 15.84 85.84 4.49 675.75 31196.15 10903.47 08:40:02 51.69 23.37 26.77 1.55 325.02 1682.10 970.99 08:50:02 8.79 0.17 8.11 0.51 9.13 284.20 628.92 09:00:03 15.82 0.03 15.10 0.69 1.15 722.14 226.33 09:10:03 9.55 0.04 9.17 0.33 1.75 267.68 118.87 09:20:03 23.16 0.06 7.35 15.75 1.35 213.17 211070.52 09:30:22 7.43 0.01 7.09 0.33 1.19 236.31 127.54 09:40:11 2.71 0.02 2.68 0.01 1.60 46.04 0.12 09:50:02 6.01 0.00 5.86 0.15 0.22 163.77 46.52 10:00:23 11.71 0.02 11.25 0.44 0.82 637.22 308.03 10:10:24 6.26 0.02 6.06 0.17 1.07 191.51 52.89 Average: 22.64 3.59 16.84 2.22 92.36 3232.65 20343.93 08:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:02 1363744 4132144 11800788 72.07 252596 2520596 13136276 75.40 2003500 12427680 1028 08:40:02 3738656 6898856 9035340 55.18 266308 2899212 10658228 61.18 2222188 9850020 876 08:50:02 2735160 5919296 10015204 61.17 267652 2921800 10789160 61.93 2230780 10846824 356 09:00:03 10458896 13780168 2160176 13.19 273032 3049376 2905096 16.68 2281340 3103196 204 09:10:03 9268616 12626564 3313384 20.24 274776 3084264 3977760 22.83 2285472 4283964 476 09:20:03 7991232 11381584 4557360 27.83 275884 3115588 5271832 30.26 2291940 5544516 500 09:30:22 6680804 10106300 5832020 35.62 276536 3150076 6613652 37.96 2294760 6852388 300 09:40:11 11873612 15320172 620360 3.79 276768 3170908 1332660 7.65 2297816 1669628 18588 09:50:02 6287760 9737244 6200568 37.87 277304 3173276 6938844 39.83 2298516 7242908 300 10:00:23 7766412 11361884 4576940 27.95 281292 3309676 5305960 30.46 2314864 5745952 524 10:10:24 6797736 10421296 5516992 33.70 281880 3337088 6075424 34.87 2326428 6690660 384 Average: 6814784 10153228 5784467 35.33 273093 3066533 6636808 38.10 2258873 6750703 2140 08:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:02 lo 13.23 13.23 11.57 11.57 0.00 0.00 0.00 0.00 08:30:02 ens3 36.58 24.47 771.88 3.08 0.00 0.00 0.00 0.00 08:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:02 lo 40.35 40.35 20.21 20.21 0.00 0.00 0.00 0.00 08:40:02 ens3 2.02 1.68 0.44 0.37 0.00 0.00 0.00 0.00 08:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:02 lo 30.91 30.91 13.71 13.71 0.00 0.00 0.00 0.00 08:50:02 ens3 0.86 0.65 0.19 0.14 0.00 0.00 0.00 0.00 08:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:03 lo 11.27 11.27 5.50 5.50 0.00 0.00 0.00 0.00 09:00:03 ens3 1.09 0.89 0.31 0.24 0.00 0.00 0.00 0.00 09:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:03 lo 6.96 6.96 4.33 4.33 0.00 0.00 0.00 0.00 09:10:03 ens3 1.68 1.30 0.50 1.72 0.00 0.00 0.00 0.00 09:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:03 lo 19.67 19.67 9.31 9.31 0.00 0.00 0.00 0.00 09:20:03 ens3 0.85 0.60 0.21 0.15 0.00 0.00 0.00 0.00 09:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:22 lo 28.03 28.03 11.16 11.16 0.00 0.00 0.00 0.00 09:30:22 ens3 0.63 0.47 0.14 0.10 0.00 0.00 0.00 0.00 09:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:11 lo 14.95 14.95 6.43 6.43 0.00 0.00 0.00 0.00 09:40:11 ens3 0.91 0.61 0.27 0.19 0.00 0.00 0.00 0.00 09:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:02 lo 18.12 18.12 10.60 10.60 0.00 0.00 0.00 0.00 09:50:02 ens3 0.62 0.48 0.13 0.10 0.00 0.00 0.00 0.00 09:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:23 lo 13.40 13.40 7.90 7.90 0.00 0.00 0.00 0.00 10:00:23 ens3 0.88 0.73 0.24 0.19 0.00 0.00 0.00 0.00 10:00:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:24 lo 30.11 30.11 11.82 11.82 0.00 0.00 0.00 0.00 10:10:24 ens3 0.76 0.63 0.18 0.15 0.00 0.00 0.00 0.00 10:10:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.65 20.65 10.23 10.23 0.00 0.00 0.00 0.00 Average: ens3 4.25 2.95 70.20 0.58 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-50280) 03/05/26 _x86_64_ (4 CPU) 08:16:13 LINUX RESTART (4 CPU) 08:20:02 CPU %user %nice %system %iowait %steal %idle 08:30:02 all 53.29 0.08 2.57 1.24 0.12 42.71 08:30:02 0 55.16 0.06 2.71 1.42 0.12 40.53 08:30:02 1 51.90 0.23 2.32 1.44 0.12 43.99 08:30:02 2 52.61 0.02 2.44 1.39 0.12 43.42 08:30:02 3 53.47 0.00 2.81 0.70 0.12 42.90 08:40:02 all 51.29 0.00 1.93 0.16 0.14 46.48 08:40:02 0 51.41 0.00 1.87 0.20 0.14 46.38 08:40:02 1 51.73 0.00 1.94 0.07 0.14 46.12 08:40:02 2 51.51 0.00 1.91 0.16 0.14 46.27 08:40:02 3 50.50 0.00 2.01 0.22 0.14 47.13 08:50:02 all 20.40 0.00 0.89 0.06 0.12 78.53 08:50:02 0 20.08 0.00 0.80 0.04 0.12 78.96 08:50:02 1 20.12 0.00 0.92 0.03 0.12 78.81 08:50:02 2 20.32 0.00 0.94 0.08 0.12 78.54 08:50:02 3 21.09 0.00 0.91 0.08 0.12 77.81 09:00:03 all 21.87 0.00 0.82 0.06 0.10 77.15 09:00:03 0 21.10 0.00 0.85 0.10 0.10 77.85 09:00:03 1 22.45 0.00 0.77 0.06 0.10 76.62 09:00:03 2 22.75 0.00 0.75 0.04 0.10 76.36 09:00:03 3 21.18 0.00 0.90 0.05 0.10 77.76 09:10:03 all 12.48 0.00 0.53 0.04 0.09 86.87 09:10:03 0 12.63 0.00 0.53 0.04 0.08 86.72 09:10:03 1 12.34 0.00 0.52 0.08 0.09 86.97 09:10:03 2 12.40 0.00 0.62 0.03 0.10 86.85 09:10:03 3 12.55 0.00 0.44 0.02 0.08 86.92 09:20:03 all 14.12 0.00 0.58 0.12 0.10 85.08 09:20:03 0 14.12 0.00 0.58 0.04 0.09 85.16 09:20:03 1 14.70 0.00 0.49 0.14 0.10 84.57 09:20:03 2 13.24 0.00 0.69 0.23 0.10 85.74 09:20:03 3 14.43 0.00 0.55 0.07 0.10 84.86 09:30:22 all 15.03 0.00 0.61 0.03 0.09 84.23 09:30:22 0 14.40 0.00 0.62 0.05 0.09 84.83 09:30:22 1 15.25 0.00 0.56 0.02 0.09 84.08 09:30:22 2 15.55 0.00 0.63 0.02 0.09 83.71 09:30:22 3 14.93 0.00 0.63 0.03 0.09 84.32 09:40:11 all 3.23 0.00 0.39 0.12 0.08 96.18 09:40:11 0 3.21 0.00 0.35 0.13 0.07 96.24 09:40:11 1 3.30 0.00 0.41 0.01 0.08 96.19 09:40:11 2 3.15 0.00 0.43 0.19 0.08 96.15 09:40:11 3 3.25 0.00 0.37 0.15 0.07 96.15 09:50:02 all 10.34 0.00 0.55 0.09 0.08 88.93 09:50:02 0 10.05 0.00 0.48 0.03 0.08 89.36 09:50:02 1 10.82 0.00 0.70 0.04 0.08 88.36 09:50:02 2 10.38 0.00 0.50 0.03 0.08 89.00 09:50:02 3 10.10 0.00 0.54 0.26 0.09 89.02 10:00:23 all 18.63 0.00 0.73 0.19 0.09 80.35 10:00:23 0 18.28 0.00 0.74 0.40 0.09 80.49 10:00:23 1 19.03 0.00 0.66 0.19 0.09 80.03 10:00:23 2 18.21 0.00 0.71 0.09 0.09 80.90 10:00:23 3 19.02 0.00 0.80 0.10 0.09 79.99 10:10:24 all 10.91 0.00 0.49 0.03 0.10 88.47 10:10:24 0 11.04 0.00 0.50 0.03 0.13 88.29 10:10:24 1 11.06 0.00 0.54 0.05 0.10 88.26 10:10:24 2 11.00 0.00 0.51 0.03 0.09 88.37 10:10:24 3 10.55 0.00 0.40 0.01 0.09 88.95 Average: CPU %user %nice %system %iowait %steal %idle Average: all 21.06 0.01 0.92 0.19 0.10 77.72 Average: 0 21.05 0.01 0.91 0.23 0.10 77.70 Average: 1 21.15 0.02 0.89 0.19 0.10 77.64 Average: 2 21.01 0.00 0.92 0.21 0.10 77.76 Average: 3 21.01 0.00 0.94 0.15 0.10 77.80