---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7183 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 67G 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 10445 4 4911 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:5b:96:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82514sec preferred_lft 82514sec inet6 fe80::f816:3eff:fe5b:96b8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:78:c5:1f:8d:63 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-7183) 04/24/26 _x86_64_ (4 CPU) 00:00:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:20 1.80 0.19 1.60 0.01 4.77 24.19 0.44 00:20:20 1.27 0.00 1.27 0.00 0.01 14.69 0.00 00:30:06 38.42 4.18 33.57 0.67 258.66 3962.05 851.06 00:40:07 3.72 0.07 3.45 0.20 7.05 555.02 45.11 00:50:20 31.86 0.50 16.90 14.46 18.71 2400.85 241637.18 Average: 15.38 0.97 11.29 3.12 56.79 1384.34 49535.64 00:00:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:20 13654060 15494752 521608 3.19 57296 2009444 1131264 6.49 224388 2226944 16 00:20:20 13654092 15495340 520908 3.18 57676 2009584 1131328 6.49 224800 2227588 20 00:30:06 10237576 13183680 2779400 16.98 111824 3008796 3122776 17.92 488760 5298392 316 00:40:07 10301596 13429328 2532660 15.47 117732 3169088 2778288 15.95 540084 5190416 23464 00:50:20 9987176 13544120 2413932 14.74 140292 3548364 2493932 14.32 720276 5262428 10168 Average: 11566900 14229444 1753702 10.71 96964 2749055 2131518 12.23 439662 4041154 6797 00:00:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:20 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 00:10:20 ens3 0.26 0.13 0.07 0.04 0.00 0.00 0.00 0.00 00:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:20:20 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 00:20:20 ens3 0.16 0.07 0.04 0.02 0.00 0.00 0.00 0.00 00:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:06 lo 0.40 0.40 0.05 0.05 0.00 0.00 0.00 0.00 00:30:06 ens3 92.39 69.72 913.57 12.29 0.00 0.00 0.00 0.00 00:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:07 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 00:40:07 ens3 11.81 9.79 37.01 3.11 0.00 0.00 0.00 0.00 00:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:20 lo 435.86 435.86 415.26 415.26 0.00 0.00 0.00 0.00 00:50:20 ens3 40.33 28.23 400.86 4.65 0.00 0.00 0.00 0.00 00:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 89.28 89.28 84.91 84.91 0.00 0.00 0.00 0.00 Average: ens3 28.76 21.40 268.03 3.99 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-7183) 04/24/26 _x86_64_ (4 CPU) 00:00:20 CPU %user %nice %system %iowait %steal %idle 00:10:20 all 0.22 0.00 0.03 0.01 0.02 99.72 00:10:20 0 0.01 0.00 0.02 0.01 0.01 99.95 00:10:20 1 0.83 0.00 0.04 0.00 0.04 99.10 00:10:20 2 0.03 0.00 0.01 0.01 0.02 99.94 00:10:20 3 0.02 0.00 0.03 0.03 0.03 99.89 00:20:20 all 0.14 0.00 0.02 0.01 0.02 99.81 00:20:20 0 0.01 0.00 0.01 0.00 0.01 99.98 00:20:20 1 0.51 0.00 0.02 0.00 0.02 99.45 00:20:20 2 0.02 0.00 0.02 0.01 0.02 99.94 00:20:20 3 0.04 0.00 0.04 0.03 0.04 99.86 00:30:06 all 20.46 0.00 0.71 0.40 0.05 78.38 00:30:06 0 23.04 0.00 0.76 0.24 0.04 75.92 00:30:06 1 19.26 0.00 0.58 0.08 0.05 80.03 00:30:06 2 20.48 0.00 0.58 0.09 0.05 78.80 00:30:06 3 19.07 0.00 0.91 1.20 0.04 78.78 00:40:07 all 50.04 0.00 0.67 0.05 0.08 49.16 00:40:07 0 46.76 0.00 0.50 0.06 0.08 52.60 00:40:07 1 45.84 0.00 0.60 0.03 0.08 53.46 00:40:07 2 62.30 0.00 0.84 0.00 0.08 36.78 00:40:07 3 45.25 0.00 0.73 0.09 0.07 53.85 00:50:20 all 58.55 0.00 1.19 0.08 0.09 40.09 00:50:20 0 51.43 0.00 1.02 0.08 0.09 47.39 00:50:20 1 47.74 0.00 1.24 0.16 0.08 50.78 00:50:20 2 88.95 0.00 1.39 0.03 0.09 9.54 00:50:20 3 46.11 0.00 1.13 0.06 0.08 52.61 Average: all 26.04 0.00 0.52 0.11 0.05 73.28 Average: 0 24.36 0.00 0.46 0.08 0.05 75.06 Average: 1 22.95 0.00 0.50 0.05 0.05 76.44 Average: 2 34.64 0.00 0.57 0.03 0.05 64.71 Average: 3 22.20 0.00 0.57 0.28 0.05 76.90