---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15482 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 11G 68G 14% / 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 632 10641 4 4715 15014 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:02:bc:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.110/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80892sec preferred_lft 80892sec inet6 fe80::f816:3eff:fe02:bc5b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:28:a9:6c:10:de 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-15482) 05/15/26 _x86_64_ (4 CPU) 10:00:15 LINUX RESTART (4 CPU) 10:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:18 13.93 0.01 1.45 12.48 0.20 16.65 237027.19 10:30:18 1.51 0.00 1.51 0.00 0.00 16.39 0.00 10:40:18 1.42 0.00 1.42 0.00 0.00 15.69 0.08 10:50:18 1.47 0.00 1.47 0.00 0.00 16.36 0.00 11:00:08 1.59 0.00 1.59 0.00 0.00 17.72 0.00 11:10:18 1.59 0.00 1.59 0.00 0.00 17.41 0.00 11:20:18 1.56 0.00 1.56 0.00 0.00 16.92 0.00 11:30:18 65.07 5.11 57.48 2.47 290.91 6646.44 6353.97 Average: 11.03 0.64 8.49 1.90 36.28 842.94 31044.02 10:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:18 13647272 15532248 484356 2.96 56268 2054428 1144676 6.57 262664 2207796 160 10:30:18 13647352 15532932 483640 2.95 56860 2054440 1144676 6.57 263256 2208284 4 10:40:18 13646628 15532908 483776 2.95 57408 2054576 1144676 6.57 263808 2209492 12 10:50:18 13645228 15532124 484500 2.96 58008 2054588 1144676 6.57 264408 2210412 32 11:00:08 13643524 15531180 485484 2.97 58616 2054724 1144740 6.57 265020 2211972 8 11:10:18 13640528 15528804 487784 2.98 59216 2054732 1144804 6.57 265608 2217296 8 11:20:18 13639028 15528052 488604 2.98 59800 2054868 1144804 6.57 266208 2217504 168 11:30:18 10934580 15405424 552764 3.38 130556 4459612 1100520 6.32 847996 4193956 766036 Average: 13305518 15515459 493864 3.02 67092 2355246 1139196 6.54 337371 2459589 95804 10:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:18 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:20:18 ens3 0.21 0.09 0.04 0.02 0.00 0.00 0.00 0.00 10:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:18 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:30:18 ens3 0.23 0.08 0.04 0.02 0.00 0.00 0.00 0.00 10:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:18 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:40:18 ens3 0.33 0.12 0.08 0.04 0.00 0.00 0.00 0.00 10:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:18 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:50:18 ens3 0.19 0.08 0.04 0.02 0.00 0.00 0.00 0.00 10:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:08 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:00:08 ens3 0.24 0.12 0.07 0.04 0.00 0.00 0.00 0.00 11:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:18 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:10:18 ens3 0.37 0.22 0.08 0.44 0.00 0.00 0.00 0.00 11:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:18 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:20:18 ens3 0.18 0.08 0.04 0.02 0.00 0.00 0.00 0.00 11:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:18 lo 399.64 399.64 376.25 376.25 0.00 0.00 0.00 0.00 11:30:18 ens3 143.72 112.11 1217.97 22.55 0.00 0.00 0.00 0.00 11:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 49.89 49.89 46.90 46.90 0.00 0.00 0.00 0.00 Average: ens3 18.13 14.07 151.83 2.88 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-15482) 05/15/26 _x86_64_ (4 CPU) 10:00:15 LINUX RESTART (4 CPU) 10:10:03 CPU %user %nice %system %iowait %steal %idle 10:20:18 all 0.07 0.00 0.03 0.03 0.02 99.86 10:20:18 0 0.09 0.00 0.03 0.02 0.03 99.83 10:20:18 1 0.03 0.00 0.01 0.00 0.01 99.95 10:20:18 2 0.13 0.00 0.02 0.01 0.01 99.82 10:20:18 3 0.02 0.00 0.04 0.08 0.02 99.85 10:30:18 all 0.02 0.00 0.02 0.02 0.02 99.93 10:30:18 0 0.02 0.00 0.02 0.05 0.01 99.90 10:30:18 1 0.02 0.00 0.02 0.00 0.02 99.94 10:30:18 2 0.01 0.00 0.02 0.01 0.01 99.96 10:30:18 3 0.02 0.00 0.03 0.01 0.02 99.92 10:40:18 all 0.08 0.00 0.02 5.28 0.01 94.61 10:40:18 0 0.02 0.00 0.01 2.77 0.01 97.20 10:40:18 1 0.13 0.00 0.03 13.26 0.02 86.55 10:40:18 2 0.18 0.00 0.02 2.55 0.01 97.25 10:40:18 3 0.01 0.00 0.01 2.55 0.02 97.42 10:50:18 all 0.13 0.00 0.02 0.17 0.01 99.67 10:50:18 0 0.01 0.00 0.01 0.01 0.01 99.96 10:50:18 1 0.41 0.00 0.02 0.52 0.01 99.04 10:50:18 2 0.11 0.00 0.04 0.07 0.01 99.77 10:50:18 3 0.01 0.00 0.02 0.07 0.02 99.89 11:00:08 all 0.29 0.00 0.02 0.03 0.01 99.64 11:00:08 0 0.02 0.00 0.01 0.05 0.01 99.91 11:00:08 1 0.02 0.00 0.02 0.00 0.01 99.95 11:00:08 2 1.13 0.00 0.03 0.03 0.03 98.78 11:00:08 3 0.01 0.00 0.02 0.05 0.01 99.91 11:10:18 all 0.11 0.00 0.02 0.10 0.01 99.76 11:10:18 0 0.04 0.00 0.01 0.02 0.01 99.92 11:10:18 1 0.02 0.00 0.02 0.01 0.01 99.93 11:10:18 2 0.37 0.00 0.03 0.24 0.01 99.34 11:10:18 3 0.02 0.00 0.02 0.11 0.02 99.83 11:20:18 all 0.09 0.00 0.02 0.09 0.01 99.79 11:20:18 0 0.01 0.00 0.01 0.00 0.01 99.97 11:20:18 1 0.30 0.00 0.03 0.26 0.01 99.40 11:20:18 2 0.02 0.00 0.02 0.04 0.01 99.91 11:20:18 3 0.02 0.00 0.03 0.04 0.02 99.89 11:30:18 all 47.22 0.00 1.99 0.42 0.09 50.29 11:30:18 0 47.68 0.00 2.10 0.23 0.08 49.91 11:30:18 1 47.53 0.00 2.25 0.98 0.09 49.14 11:30:18 2 45.69 0.00 1.88 0.27 0.09 52.07 11:30:18 3 47.96 0.00 1.73 0.20 0.09 50.02 Average: all 5.97 0.00 0.27 0.76 0.02 92.98 Average: 0 5.96 0.00 0.27 0.39 0.02 93.36 Average: 1 6.02 0.00 0.30 1.87 0.02 91.78 Average: 2 5.92 0.00 0.26 0.40 0.02 93.40 Average: 3 5.97 0.00 0.24 0.39 0.03 93.38