---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17192 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 12G 66G 15% / 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 608 9467 4 5913 15038 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:d3:8d:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82460sec preferred_lft 82460sec inet6 fe80::f816:3eff:fed3:8d1b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:30:d6:72:7d:c2 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-17192) 05/20/26 _x86_64_ (4 CPU) 16:38:45 LINUX RESTART (4 CPU) 16:40:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:50:09 4.14 0.09 3.77 0.28 3.35 279.80 323.07 17:00:01 14.44 0.03 1.43 12.99 1.85 16.65 246258.71 17:10:05 1.17 0.00 1.17 0.00 0.00 13.05 0.01 17:20:09 1.26 0.00 1.25 0.00 0.01 14.06 0.00 17:30:01 1.50 0.25 1.25 0.00 8.99 31.42 0.01 17:40:09 69.22 4.43 62.34 2.45 265.47 10348.87 11852.92 Average: 15.41 0.81 12.01 2.59 47.19 1807.47 42520.06 16:40:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:50:09 13660588 15507584 509060 3.11 56768 2016080 1149624 6.60 225296 2219364 40 17:00:01 13655352 15508280 508372 3.10 57452 2021308 1150412 6.60 230940 2220524 204 17:10:05 13655352 15508640 508068 3.10 57792 2021320 1149624 6.60 231292 2221368 260 17:20:09 13654848 15508508 508196 3.10 58164 2021332 1149624 6.60 231656 2221980 164 17:30:01 13645832 15507708 508952 3.11 58584 2029056 1154892 6.63 233348 2249888 212 17:40:09 8604164 13440576 2514328 15.36 136592 4788872 2736000 15.70 1157456 6184628 3104 Average: 12812689 15163549 842829 5.15 70892 2482995 1415029 8.12 384998 2886292 664 16:40:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:50:09 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 16:50:09 ens3 4.68 2.00 85.17 0.17 0.00 0.00 0.00 0.00 16:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 17:00:01 ens3 0.28 0.15 0.07 0.04 0.00 0.00 0.00 0.00 17:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:10:05 ens3 0.23 0.09 0.05 0.02 0.00 0.00 0.00 0.00 17:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:09 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:20:09 ens3 0.21 0.08 0.04 0.02 0.00 0.00 0.00 0.00 17:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:30:01 ens3 4.51 2.72 10.12 1.14 0.00 0.00 0.00 0.00 17:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:09 lo 827.93 827.93 789.03 789.03 0.00 0.00 0.00 0.00 17:40:09 ens3 143.88 106.47 1313.31 21.36 0.00 0.00 0.00 0.00 17:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 139.96 139.96 133.31 133.31 0.00 0.00 0.00 0.00 Average: ens3 25.95 18.82 237.76 3.84 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-17192) 05/20/26 _x86_64_ (4 CPU) 16:38:45 LINUX RESTART (4 CPU) 16:40:09 CPU %user %nice %system %iowait %steal %idle 16:50:09 all 0.28 0.00 0.13 0.09 0.01 99.49 16:50:09 0 0.30 0.00 0.22 0.02 0.01 99.46 16:50:09 1 0.17 0.00 0.09 0.02 0.01 99.71 16:50:09 2 0.47 0.00 0.10 0.23 0.02 99.19 16:50:09 3 0.17 0.00 0.11 0.10 0.01 99.61 17:00:01 all 0.22 0.00 0.03 0.03 0.01 99.71 17:00:01 0 0.77 0.00 0.03 0.01 0.01 99.18 17:00:01 1 0.05 0.00 0.05 0.08 0.01 99.82 17:00:01 2 0.03 0.00 0.03 0.02 0.01 99.91 17:00:01 3 0.02 0.00 0.02 0.01 0.02 99.94 17:10:05 all 0.04 0.00 0.02 0.01 0.01 99.93 17:10:05 0 0.10 0.00 0.02 0.00 0.01 99.87 17:10:05 1 0.02 0.00 0.02 0.01 0.01 99.94 17:10:05 2 0.00 0.00 0.01 0.01 0.01 99.97 17:10:05 3 0.03 0.00 0.03 0.00 0.01 99.92 17:20:09 all 0.18 0.00 0.02 0.01 0.01 99.78 17:20:09 0 0.03 0.00 0.03 0.00 0.02 99.92 17:20:09 1 0.27 0.00 0.02 0.00 0.01 99.70 17:20:09 2 0.01 0.00 0.01 0.00 0.01 99.97 17:20:09 3 0.40 0.00 0.03 0.02 0.01 99.54 17:30:01 all 0.22 0.00 0.02 0.01 0.01 99.74 17:30:01 0 0.11 0.00 0.02 0.00 0.01 99.86 17:30:01 1 0.08 0.00 0.02 0.01 0.01 99.87 17:30:01 2 0.10 0.00 0.03 0.00 0.01 99.85 17:30:01 3 0.58 0.00 0.02 0.02 0.02 99.36 17:40:09 all 49.90 0.00 2.13 0.40 0.09 47.48 17:40:09 0 48.95 0.00 2.28 0.67 0.09 48.02 17:40:09 1 53.21 0.00 2.25 0.50 0.10 43.94 17:40:09 2 47.87 0.00 2.12 0.23 0.09 49.68 17:40:09 3 49.56 0.00 1.87 0.20 0.08 48.29 Average: all 8.56 0.00 0.40 0.09 0.03 90.93 Average: 0 8.45 0.00 0.44 0.12 0.03 90.97 Average: 1 9.06 0.00 0.41 0.10 0.02 90.39 Average: 2 8.17 0.00 0.39 0.08 0.03 91.33 Average: 3 8.53 0.00 0.35 0.06 0.03 91.03