---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17474 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 10G 68G 13% / 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 617 10983 4 4387 15028 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:2f:75:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.113/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81608sec preferred_lft 81608sec inet6 fe80::f816:3eff:fe2f:75ee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:21:fa:64:b0:33 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-17474) 05/21/26 _x86_64_ (4 CPU) 18:08:47 LINUX RESTART (4 CPU) 18:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:20:16 1.47 0.05 1.42 0.01 2.31 17.63 221.89 18:30:01 1.20 0.01 1.20 0.00 0.04 13.45 0.00 18:40:16 13.75 0.00 1.29 12.46 0.14 14.17 237319.88 18:50:16 1.16 0.00 1.16 0.00 0.00 13.00 0.00 19:00:16 1.22 0.00 1.22 0.00 0.00 13.84 0.01 19:10:16 14.48 1.32 13.07 0.08 95.23 564.62 1014.10 19:20:16 30.41 3.11 26.18 1.12 170.84 4164.47 1692.71 Average: 9.14 0.64 6.51 2.00 38.37 685.88 35127.55 18:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:20:16 13783052 15532172 486632 2.97 53828 1922436 1135536 6.52 193168 2153788 16 18:30:01 13782044 15531600 487268 2.98 54224 1922444 1135600 6.52 193576 2155104 212 18:40:16 13776752 15531760 486920 2.97 54884 1927216 1135664 6.52 198968 2156128 48 18:50:16 13776500 15531900 486792 2.97 55252 1927232 1135664 6.52 199340 2156924 156 19:00:16 13776516 15532300 486476 2.97 55640 1927236 1135664 6.52 199708 2157924 40 19:10:16 13427680 15363448 647004 3.95 65792 2090564 1236976 7.10 275940 2406528 49760 19:20:16 10721100 13830248 2131408 13.02 127776 3128696 2393668 13.74 516360 4776128 25500 Average: 13291949 15264775 744643 4.55 66771 2120832 1329825 7.63 253866 2566075 10819 18:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:20:16 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 18:20:16 ens3 0.32 0.12 0.09 0.04 0.00 0.00 0.00 0.00 18:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:30:01 ens3 0.19 0.08 0.04 0.02 0.00 0.00 0.00 0.00 18:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:16 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:40:16 ens3 0.24 0.12 0.07 0.04 0.00 0.00 0.00 0.00 18:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:16 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:50:16 ens3 0.18 0.08 0.04 0.02 0.00 0.00 0.00 0.00 18:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:16 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 19:00:16 ens3 0.20 0.10 0.07 0.04 0.00 0.00 0.00 0.00 19:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:16 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 19:10:16 ens3 28.40 18.48 135.03 4.55 0.00 0.00 0.00 0.00 19:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:16 lo 0.87 0.87 0.09 0.09 0.00 0.00 0.00 0.00 19:20:16 ens3 87.03 72.00 684.31 16.53 0.00 0.00 0.00 0.00 19:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.22 0.22 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 16.65 13.00 117.09 3.03 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-17474) 05/21/26 _x86_64_ (4 CPU) 18:08:47 LINUX RESTART (4 CPU) 18:10:16 CPU %user %nice %system %iowait %steal %idle 18:20:16 all 0.06 0.00 0.03 0.02 0.01 99.88 18:20:16 0 0.04 0.00 0.03 0.03 0.02 99.88 18:20:16 1 0.02 0.00 0.02 0.05 0.01 99.91 18:20:16 2 0.04 0.00 0.03 0.01 0.01 99.91 18:20:16 3 0.13 0.00 0.04 0.01 0.02 99.81 18:30:01 all 0.23 0.00 0.03 0.01 0.01 99.72 18:30:01 0 0.25 0.00 0.02 0.00 0.01 99.71 18:30:01 1 0.02 0.00 0.04 0.04 0.02 99.88 18:30:01 2 0.61 0.00 0.02 0.00 0.01 99.36 18:30:01 3 0.02 0.00 0.03 0.01 0.01 99.93 18:40:16 all 0.19 0.00 0.04 0.15 0.01 99.61 18:40:16 0 0.03 0.00 0.02 0.00 0.01 99.94 18:40:16 1 0.31 0.00 0.09 0.19 0.02 99.39 18:40:16 2 0.05 0.00 0.02 0.02 0.00 99.90 18:40:16 3 0.35 0.00 0.03 0.41 0.01 99.20 18:50:16 all 0.06 0.00 0.02 0.08 0.01 99.83 18:50:16 0 0.02 0.00 0.01 0.06 0.01 99.90 18:50:16 1 0.08 0.00 0.03 0.03 0.01 99.85 18:50:16 2 0.03 0.00 0.03 0.21 0.02 99.71 18:50:16 3 0.11 0.00 0.02 0.02 0.01 99.84 19:00:16 all 0.12 0.00 0.02 0.05 0.01 99.80 19:00:16 0 0.02 0.00 0.01 0.05 0.01 99.91 19:00:16 1 0.43 0.00 0.03 0.03 0.02 99.49 19:00:16 2 0.02 0.00 0.03 0.07 0.01 99.87 19:00:16 3 0.02 0.00 0.02 0.03 0.01 99.92 19:10:16 all 1.00 0.00 0.14 2.25 0.02 96.59 19:10:16 0 1.50 0.00 0.16 0.38 0.02 97.94 19:10:16 1 0.81 0.00 0.16 0.48 0.03 98.52 19:10:16 2 0.77 0.00 0.08 0.17 0.01 98.96 19:10:16 3 0.91 0.00 0.16 7.96 0.02 90.95 19:20:16 all 37.86 0.00 1.39 0.49 0.07 60.19 19:20:16 0 39.79 0.00 1.42 0.23 0.07 58.48 19:20:16 1 36.70 0.00 1.35 0.09 0.07 61.79 19:20:16 2 38.35 0.00 1.43 0.30 0.08 59.85 19:20:16 3 36.60 0.00 1.34 1.35 0.07 60.64 Average: all 5.64 0.00 0.24 0.44 0.02 93.67 Average: 0 5.94 0.00 0.24 0.11 0.02 93.69 Average: 1 5.49 0.00 0.25 0.13 0.03 94.11 Average: 2 5.68 0.00 0.23 0.11 0.02 93.96 Average: 3 5.44 0.00 0.23 1.40 0.02 92.90