---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20033 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 654 10187 4 5147 14991 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:c8:70:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84616sec preferred_lft 84616sec inet6 fe80::f816:3eff:fec8:7048/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:d9:01:ad:98:46 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-20033) 05/25/26 _x86_64_ (4 CPU) 19:25:13 LINUX RESTART (4 CPU) 19:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:40:00 18.63 2.54 14.61 1.48 735.83 3790.09 9779.37 19:50:01 29.62 1.08 24.15 4.39 35.22 4064.70 6585.50 Average: 24.13 1.81 19.38 2.93 385.64 3927.35 8182.97 19:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:40:00 10032196 13832092 2125436 12.98 142892 3764052 2704856 15.53 786492 5161632 23176 19:50:01 10493920 15404660 545948 3.33 175048 4763432 1110492 6.37 1097216 4285344 84600 Average: 10263058 14618376 1335692 8.16 158970 4263742 1907674 10.95 941854 4723488 53888 19:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:40:00 lo 1.45 1.45 0.15 0.15 0.00 0.00 0.00 0.00 19:40:00 ens3 126.30 92.32 664.69 20.96 0.00 0.00 0.00 0.00 19:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:01 lo 1790.72 1790.72 1706.22 1706.22 0.00 0.00 0.00 0.00 19:50:01 ens3 74.88 59.01 426.49 18.88 0.00 0.00 0.00 0.00 19:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 895.78 895.78 852.90 852.90 0.00 0.00 0.00 0.00 Average: ens3 100.60 75.67 545.63 19.92 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-20033) 05/25/26 _x86_64_ (4 CPU) 19:25:13 LINUX RESTART (4 CPU) 19:30:00 CPU %user %nice %system %iowait %steal %idle 19:40:00 all 71.88 0.00 2.40 0.38 0.15 25.19 19:40:00 0 70.61 0.00 2.49 0.29 0.15 26.46 19:40:00 1 73.40 0.00 2.34 0.79 0.15 23.31 19:40:00 2 72.76 0.00 2.51 0.20 0.15 24.38 19:40:00 3 70.76 0.00 2.26 0.23 0.14 26.61 19:50:01 all 63.36 0.00 2.85 1.54 0.15 32.11 19:50:01 0 61.24 0.00 2.57 0.89 0.15 35.16 19:50:01 1 65.21 0.00 3.31 2.02 0.15 29.31 19:50:01 2 65.19 0.00 3.01 1.85 0.15 29.80 19:50:01 3 61.80 0.00 2.51 1.38 0.15 34.16 Average: all 67.63 0.00 2.63 0.96 0.15 28.64 Average: 0 65.93 0.00 2.53 0.59 0.15 30.80 Average: 1 69.31 0.00 2.83 1.41 0.15 26.31 Average: 2 68.98 0.00 2.76 1.02 0.15 27.09 Average: 3 66.29 0.00 2.38 0.81 0.15 30.38