---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1256 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 688 10265 4 5036 14958 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:82:9e:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82963sec preferred_lft 82963sec inet6 fe80::f816:3eff:fe82:9e53/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:a2:1f:5b:6c:91 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-1256) 08/01/26 _x86_64_ (4 CPU) 19:03:43 LINUX RESTART (4 CPU) 19:10:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:23 1.45 0.01 1.44 0.01 0.05 27.41 0.99 19:30:23 1.48 0.00 1.48 0.00 0.00 23.95 0.00 19:40:08 11.26 1.97 8.85 0.44 127.27 2303.67 830.45 19:50:23 18.45 0.76 15.82 1.87 27.30 3188.58 2338.20 20:00:00 17.35 0.25 14.24 2.85 12.21 2096.21 2052.52 Average: 9.98 0.60 8.36 1.03 33.02 1528.00 1044.17 19:10:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:23 12784388 15467760 501936 3.07 103216 2766248 995604 5.71 361024 2873964 168 19:30:23 12781204 15465840 503828 3.08 104144 2766496 1003860 5.76 361964 2877404 104 19:40:08 10065092 13480924 2478652 15.14 130900 3413536 2826748 16.23 552240 5374496 30324 19:50:23 8883200 13288380 2663032 16.26 171020 4279736 3134032 17.99 782344 6231400 77736 20:00:00 10643500 15440804 508184 3.10 178392 4643028 1011316 5.80 921284 4290384 52 Average: 11031477 14628742 1331126 8.13 137534 3573809 1794312 10.30 595771 4329530 21677 19:10:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:23 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 19:20:23 ens3 5.79 4.68 94.83 0.61 0.00 0.00 0.00 0.00 19:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:23 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 19:30:23 ens3 5.29 4.29 83.11 0.48 0.00 0.00 0.00 0.00 19:30:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:08 lo 0.66 0.66 0.06 0.06 0.00 0.00 0.00 0.00 19:40:08 ens3 67.86 54.12 637.21 10.13 0.00 0.00 0.00 0.00 19:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:23 lo 719.25 719.25 685.08 685.08 0.00 0.00 0.00 0.00 19:50:23 ens3 71.03 53.45 317.13 13.74 0.00 0.00 0.00 0.00 19:50:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:00 lo 1099.80 1099.80 1035.02 1035.02 0.00 0.00 0.00 0.00 20:00:00 ens3 78.29 77.01 138.63 160.01 0.00 0.00 0.00 0.00 20:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 361.85 361.85 342.09 342.09 0.00 0.00 0.00 0.00 Average: ens3 45.41 38.41 253.46 36.04 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-1256) 08/01/26 _x86_64_ (4 CPU) 19:03:43 LINUX RESTART (4 CPU) 19:10:23 CPU %user %nice %system %iowait %steal %idle 19:20:23 all 0.21 0.00 0.04 0.01 0.02 99.72 19:20:23 0 0.12 0.00 0.05 0.03 0.01 99.79 19:20:23 1 0.22 0.00 0.04 0.01 0.02 99.72 19:20:23 2 0.47 0.00 0.02 0.00 0.02 99.49 19:20:23 3 0.04 0.00 0.04 0.01 0.03 99.89 19:30:23 all 0.38 0.00 0.03 0.01 0.02 99.56 19:30:23 0 0.02 0.00 0.02 0.00 0.02 99.94 19:30:23 1 0.35 0.00 0.06 0.01 0.02 99.57 19:30:23 2 1.12 0.00 0.02 0.00 0.02 98.84 19:30:23 3 0.01 0.00 0.03 0.03 0.03 99.91 19:40:08 all 36.89 0.00 1.16 0.04 0.06 61.85 19:40:08 0 36.87 0.00 1.09 0.03 0.06 61.96 19:40:08 1 35.30 0.00 1.13 0.03 0.06 63.48 19:40:08 2 37.57 0.00 1.25 0.07 0.06 61.05 19:40:08 3 37.83 0.00 1.17 0.02 0.07 60.92 19:50:23 all 69.90 0.00 2.58 0.05 0.10 27.37 19:50:23 0 68.31 0.00 2.70 0.04 0.10 28.84 19:50:23 1 69.72 0.00 2.45 0.03 0.10 27.70 19:50:23 2 69.37 0.00 2.39 0.08 0.10 28.06 19:50:23 3 72.21 0.00 2.79 0.04 0.10 24.86 20:00:00 all 28.35 0.00 1.29 0.06 0.06 70.25 20:00:00 0 23.82 0.00 1.25 0.03 0.07 74.83 20:00:00 1 29.57 0.00 1.43 0.03 0.06 68.91 20:00:00 2 28.67 0.00 1.28 0.05 0.06 69.94 20:00:00 3 31.32 0.00 1.19 0.13 0.06 67.30 Average: all 27.26 0.00 1.02 0.03 0.05 71.63 Average: 0 25.97 0.00 1.03 0.03 0.05 72.92 Average: 1 27.16 0.00 1.02 0.02 0.05 71.74 Average: 2 27.51 0.00 0.99 0.04 0.05 71.41 Average: 3 28.40 0.00 1.05 0.04 0.06 70.46