---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19570 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 8.5G 69G 11% / 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 603 12738 4 2647 15057 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:41:48:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.34/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81155sec preferred_lft 81155sec inet6 fe80::f816:3eff:fe41:480c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:a6:5a:e8:0b:a4 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-19570) 05/24/26 _x86_64_ (4 CPU) 11:21:22 LINUX RESTART (4 CPU) 11:30:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:25 1.46 0.01 1.45 0.00 0.04 16.69 0.15 11:50:01 1.41 0.00 1.41 0.00 0.00 15.46 0.00 12:00:25 1.43 0.00 1.43 0.00 0.00 15.43 0.00 12:10:13 15.13 0.00 1.65 13.48 0.15 17.94 246124.68 12:20:00 1.55 0.00 1.54 0.00 0.01 16.97 0.00 12:30:25 1.55 0.00 1.55 0.00 0.00 17.11 0.00 12:40:15 1.58 0.00 1.58 0.00 0.00 17.33 0.00 Average: 3.41 0.00 1.52 1.89 0.03 16.70 34546.17 11:30:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:25 13195108 15544320 439596 2.68 87984 2458088 998620 5.73 263440 2612136 164 11:50:01 13194104 15543832 440052 2.69 88476 2458104 998620 5.73 263952 2613188 8 12:00:25 13194132 15544360 439448 2.68 88964 2458112 998620 5.73 264440 2613960 4 12:10:13 13190900 15546616 437196 2.67 89700 2462860 998620 5.73 269844 2614788 4 12:20:00 13188888 15545072 438664 2.68 90208 2462868 998620 5.73 270304 2615596 8 12:30:25 13186620 15543516 440252 2.69 90740 2463004 998684 5.73 270880 2616456 36 12:40:15 13185360 15542772 440944 2.69 91280 2463016 998748 5.73 271392 2618828 32 Average: 13190730 15544355 439450 2.68 89622 2460865 998647 5.73 267750 2614993 37 11:30:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:25 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:40:25 ens3 0.29 0.12 0.07 0.04 0.00 0.00 0.00 0.00 11:40:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:50:01 ens3 0.22 0.08 0.04 0.02 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:25 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:00:25 ens3 0.24 0.11 0.07 0.04 0.00 0.00 0.00 0.00 12:00:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:13 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:10:13 ens3 0.22 0.09 0.04 0.02 0.00 0.00 0.00 0.00 12:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:20:00 ens3 0.24 0.10 0.05 0.02 0.00 0.00 0.00 0.00 12:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:25 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:30:25 ens3 0.22 0.11 0.05 0.02 0.00 0.00 0.00 0.00 12:30:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:15 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:40:15 ens3 0.57 0.17 0.14 0.08 0.00 0.00 0.00 0.00 12:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 0.28 0.11 0.07 0.03 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-19570) 05/24/26 _x86_64_ (4 CPU) 11:21:22 LINUX RESTART (4 CPU) 11:30:25 CPU %user %nice %system %iowait %steal %idle 11:40:25 all 0.05 0.00 0.02 0.01 0.02 99.90 11:40:25 0 0.02 0.00 0.02 0.01 0.02 99.93 11:40:25 1 0.13 0.00 0.02 0.02 0.02 99.81 11:40:25 2 0.04 0.00 0.02 0.02 0.01 99.91 11:40:25 3 0.02 0.00 0.02 0.00 0.01 99.96 11:50:01 all 0.05 0.00 0.02 0.01 0.02 99.90 11:50:01 0 0.03 0.00 0.04 0.02 0.03 99.89 11:50:01 1 0.02 0.00 0.02 0.00 0.02 99.94 11:50:01 2 0.15 0.00 0.01 0.00 0.01 99.82 11:50:01 3 0.01 0.00 0.01 0.01 0.01 99.96 12:00:25 all 0.16 0.00 0.02 0.01 0.02 99.80 12:00:25 0 0.32 0.00 0.03 0.00 0.02 99.62 12:00:25 1 0.02 0.00 0.02 0.01 0.03 99.91 12:00:25 2 0.26 0.00 0.01 0.00 0.01 99.71 12:00:25 3 0.02 0.00 0.01 0.02 0.02 99.94 12:10:13 all 0.14 0.00 0.02 0.04 0.02 99.78 12:10:13 0 0.04 0.00 0.01 0.01 0.01 99.93 12:10:13 1 0.47 0.00 0.04 0.04 0.04 99.42 12:10:13 2 0.02 0.00 0.02 0.00 0.01 99.95 12:10:13 3 0.01 0.00 0.03 0.12 0.01 99.83 12:20:00 all 0.21 0.00 0.02 0.01 0.02 99.74 12:20:00 0 0.01 0.00 0.02 0.00 0.02 99.95 12:20:00 1 0.80 0.00 0.03 0.02 0.04 99.11 12:20:00 2 0.02 0.00 0.02 0.01 0.01 99.95 12:20:00 3 0.01 0.00 0.01 0.01 0.02 99.95 12:30:25 all 0.05 0.00 0.02 0.01 0.02 99.91 12:30:25 0 0.04 0.00 0.03 0.00 0.03 99.90 12:30:25 1 0.11 0.00 0.02 0.01 0.02 99.84 12:30:25 2 0.02 0.00 0.02 0.02 0.01 99.93 12:30:25 3 0.01 0.00 0.01 0.00 0.01 99.95 12:40:15 all 0.07 0.00 0.02 0.01 0.02 99.87 12:40:15 0 0.02 0.00 0.03 0.00 0.02 99.93 12:40:15 1 0.23 0.00 0.03 0.02 0.02 99.71 12:40:15 2 0.03 0.00 0.02 0.00 0.02 99.93 12:40:15 3 0.03 0.00 0.02 0.01 0.02 99.93 Average: all 0.10 0.00 0.02 0.01 0.02 99.84 Average: 0 0.07 0.00 0.03 0.01 0.02 99.88 Average: 1 0.25 0.00 0.03 0.02 0.03 99.68 Average: 2 0.08 0.00 0.02 0.01 0.01 99.89 Average: 3 0.02 0.00 0.02 0.02 0.01 99.93