---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39201 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 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 666 10187 4 5134 14980 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:bb:f5:31 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83291sec preferred_lft 83291sec inet6 fe80::f816:3eff:febb:f531/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:96:d1:09:37:fb 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-39201) 07/27/26 _x86_64_ (4 CPU) 00:00:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 4.29 0.28 3.69 0.31 8.60 285.17 1080.29 00:20:01 1.11 0.01 1.11 0.00 0.05 13.09 0.20 00:30:15 54.69 4.02 37.13 13.54 248.33 4092.48 235306.44 00:40:01 4.27 0.07 4.01 0.19 7.23 655.56 50.48 00:50:00 37.27 12.54 22.65 2.08 160.44 6439.86 30583.11 Average: 20.69 3.42 13.96 3.31 86.68 2328.28 54974.14 00:00:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 13640072 15490324 526032 3.21 56992 2018992 1136756 6.52 226476 2235772 204 00:20:01 13640332 15491052 525352 3.21 57344 2019108 1136756 6.52 226832 2235928 164 00:30:15 10279000 13327932 2634684 16.09 113756 3101072 2910028 16.70 488056 5248692 64 00:40:01 9276692 12508368 3453444 21.09 119788 3262564 3602192 20.68 540828 6196428 272 00:50:00 10513120 15414716 539448 3.29 144088 4831172 998380 5.73 971984 4429496 3164 Average: 11469843 14446478 1535792 9.38 98394 3046582 1956822 11.23 490835 4069263 774 00:00:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 00:10:01 ens3 4.51 2.08 89.71 0.20 0.00 0.00 0.00 0.00 00:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 00:20:01 ens3 0.23 0.08 0.03 0.02 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:15 lo 0.37 0.37 0.03 0.03 0.00 0.00 0.00 0.00 00:30:15 ens3 94.96 72.89 866.16 12.06 0.00 0.00 0.00 0.00 00:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:01 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 00:40:01 ens3 11.57 8.76 36.84 2.54 0.00 0.00 0.00 0.00 00:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:00 lo 547.90 547.90 519.62 519.62 0.00 0.00 0.00 0.00 00:50:00 ens3 67.28 53.16 535.27 85.66 0.00 0.00 0.00 0.00 00:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 110.52 110.52 104.67 104.67 0.00 0.00 0.00 0.00 Average: ens3 36.35 27.90 311.26 20.27 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-39201) 07/27/26 _x86_64_ (4 CPU) 00:00:24 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.26 0.00 0.14 0.10 0.02 99.48 00:10:01 0 0.28 0.00 0.10 0.26 0.02 99.33 00:10:01 1 0.30 0.00 0.18 0.02 0.02 99.48 00:10:01 2 0.28 0.00 0.09 0.05 0.01 99.56 00:10:01 3 0.17 0.00 0.19 0.06 0.02 99.56 00:20:01 all 0.09 0.00 0.02 0.01 0.02 99.87 00:20:01 0 0.01 0.00 0.02 0.01 0.01 99.94 00:20:01 1 0.04 0.00 0.03 0.00 0.03 99.90 00:20:01 2 0.02 0.00 0.02 0.01 0.01 99.94 00:20:01 3 0.28 0.00 0.02 0.00 0.02 99.69 00:30:15 all 21.04 0.00 0.73 0.26 0.05 77.92 00:30:15 0 19.93 0.00 0.79 0.42 0.05 78.81 00:30:15 1 20.41 0.00 0.71 0.04 0.05 78.80 00:30:15 2 19.83 0.00 0.69 0.33 0.04 79.10 00:30:15 3 24.01 0.00 0.71 0.26 0.05 74.98 00:40:01 all 51.96 0.00 0.70 0.02 0.09 47.23 00:40:01 0 42.37 0.00 0.89 0.05 0.09 56.60 00:40:01 1 55.07 0.00 0.63 0.01 0.09 44.19 00:40:01 2 49.84 0.00 0.59 0.01 0.08 49.49 00:40:01 3 60.59 0.00 0.70 0.01 0.09 38.61 00:50:00 all 57.37 0.08 1.51 0.17 0.10 40.77 00:50:00 0 50.57 0.00 1.59 0.07 0.10 47.67 00:50:00 1 50.41 0.04 1.66 0.12 0.10 47.68 00:50:00 2 71.37 0.00 1.49 0.20 0.10 26.84 00:50:00 3 57.17 0.27 1.31 0.32 0.10 40.84 Average: all 26.18 0.02 0.62 0.11 0.05 73.02 Average: 0 22.70 0.00 0.68 0.16 0.05 76.40 Average: 1 25.25 0.01 0.64 0.04 0.06 74.01 Average: 2 28.31 0.00 0.58 0.12 0.05 70.94 Average: 3 28.45 0.06 0.59 0.13 0.05 70.72