---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38075 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: 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: 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 13G 65G 17% / 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 659 8165 4 7164 14987 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:fb:71:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.10/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82879sec preferred_lft 82879sec inet6 fe80::f816:3eff:fefb:714b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:32:22:7a:3a:e5 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-38075) 07/23/26 _x86_64_ (4 CPU) 11:34:22 LINUX RESTART (4 CPU) 11:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:05 21.83 1.34 20.38 0.12 97.47 948.94 561.26 12:00:05 29.95 3.84 23.85 2.26 197.44 5109.00 5015.32 12:10:05 24.01 0.02 21.21 2.78 0.25 2012.01 27211.00 12:20:05 25.79 0.03 23.25 2.50 0.39 4027.41 21733.19 12:30:01 11.01 0.14 9.59 1.28 10.05 7451.02 1498.29 Average: 22.54 1.08 19.67 1.79 61.23 3901.77 11210.27 11:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:05 13029628 15323948 673272 4.11 77860 2425120 1267292 7.27 372824 2689852 169944 12:00:05 9647204 13234836 2724388 16.64 134108 3581264 2837208 16.29 697644 5642096 24012 12:10:05 8781132 12717632 3237764 19.77 152756 3880988 3221572 18.49 804140 6347828 12164 12:20:05 7148684 12051292 3900160 23.82 171584 4787216 3697796 21.23 1074552 7659104 284 12:30:01 8374848 15346752 597772 3.65 187160 6774608 1102320 6.33 1823332 5611340 200 Average: 9396299 13734892 2226671 13.60 144694 4289839 2425238 13.92 954498 5590044 41321 11:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:05 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 11:50:05 ens3 33.71 23.38 214.77 4.99 0.00 0.00 0.00 0.00 11:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:05 lo 897.21 897.21 853.67 853.67 0.00 0.00 0.00 0.00 12:00:05 ens3 133.05 101.30 1093.66 19.57 0.00 0.00 0.00 0.00 12:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:05 lo 1245.45 1245.45 1181.84 1181.84 0.00 0.00 0.00 0.00 12:10:05 ens3 32.12 27.29 14.11 9.83 0.00 0.00 0.00 0.00 12:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:05 lo 1027.35 1027.35 973.37 973.37 0.00 0.00 0.00 0.00 12:20:05 ens3 39.28 28.99 24.68 11.27 0.00 0.00 0.00 0.00 12:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 2591.82 2591.82 9368.87 9368.87 0.00 0.00 0.00 0.00 12:30:01 ens3 41.99 48.14 136.61 556.30 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1149.23 1149.23 2462.83 2462.83 0.00 0.00 0.00 0.00 Average: ens3 56.04 45.80 296.95 119.62 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-38075) 07/23/26 _x86_64_ (4 CPU) 11:34:22 LINUX RESTART (4 CPU) 11:40:03 CPU %user %nice %system %iowait %steal %idle 11:50:05 all 1.63 0.00 0.22 0.44 0.11 97.60 11:50:05 0 2.89 0.00 0.19 0.15 0.11 96.65 11:50:05 1 2.12 0.00 0.25 0.53 0.08 97.02 11:50:05 2 0.98 0.00 0.29 0.40 0.18 98.15 11:50:05 3 0.52 0.00 0.14 0.70 0.06 98.59 12:00:05 all 44.11 0.00 1.88 0.38 0.09 53.54 12:00:05 0 44.32 0.00 2.15 0.35 0.09 53.09 12:00:05 1 44.37 0.00 1.78 0.44 0.10 53.32 12:00:05 2 44.56 0.00 2.00 0.38 0.09 52.97 12:00:05 3 43.18 0.00 1.60 0.37 0.09 54.76 12:10:05 all 63.69 0.00 2.29 0.93 0.14 32.95 12:10:05 0 63.57 0.00 2.08 1.20 0.13 33.01 12:10:05 1 62.96 0.00 2.31 0.75 0.17 33.81 12:10:05 2 63.65 0.00 2.50 0.69 0.13 33.03 12:10:05 3 64.58 0.00 2.25 1.07 0.13 31.96 12:20:05 all 50.62 0.00 2.18 0.15 0.13 46.93 12:20:05 0 47.87 0.00 2.29 0.16 0.12 49.56 12:20:05 1 49.57 0.00 2.02 0.20 0.12 48.09 12:20:05 2 50.52 0.00 2.13 0.06 0.13 47.16 12:20:05 3 54.53 0.00 2.27 0.18 0.13 42.89 12:30:01 all 34.49 0.00 1.40 0.16 0.37 63.58 12:30:01 0 45.99 0.00 1.35 0.07 0.59 52.01 12:30:01 1 21.36 0.00 1.32 0.21 0.37 76.74 12:30:01 2 34.73 0.00 1.40 0.01 0.33 63.53 12:30:01 3 35.88 0.00 1.55 0.33 0.19 62.04 Average: all 38.85 0.00 1.59 0.41 0.17 58.98 Average: 0 40.86 0.00 1.61 0.39 0.21 56.93 Average: 1 36.03 0.00 1.53 0.43 0.17 61.85 Average: 2 38.82 0.00 1.66 0.31 0.17 59.04 Average: 3 39.69 0.00 1.56 0.53 0.12 58.10