---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-952 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 598 10576 4 4815 15048 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:3c:03:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83587sec preferred_lft 83587sec inet6 fe80::f816:3eff:fe3c:349/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:38:a4:69:71:42 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-952) 04/07/26 _x86_64_ (4 CPU) 13:22:11 LINUX RESTART (4 CPU) 13:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:00 13.68 0.01 0.94 12.73 0.20 12.87 242855.43 13:50:00 43.73 4.27 38.72 0.74 257.39 4056.29 1267.79 14:00:00 3.02 0.06 2.83 0.14 6.67 501.24 417.41 Average: 20.14 1.45 14.16 4.54 88.08 1523.47 81513.54 13:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:00 13792208 15543820 475196 2.90 54884 1923652 1155040 6.63 199432 2132852 12 13:50:00 10185188 13091192 2873120 17.55 111912 2964956 3290456 18.89 487648 5377796 10552 14:00:00 9367008 12405384 3557708 21.73 116240 3082656 3692960 21.20 516184 6143688 88 Average: 11114801 13680132 2302008 14.06 94345 2657088 2712819 15.57 401088 4551445 3551 13:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:40:00 ens3 0.45 0.10 0.08 0.04 0.00 0.00 0.00 0.00 13:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:00 lo 0.47 0.47 0.05 0.05 0.00 0.00 0.00 0.00 13:50:00 ens3 96.61 75.63 897.18 13.80 0.00 0.00 0.00 0.00 13:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:00 lo 0.55 0.55 0.37 0.37 0.00 0.00 0.00 0.00 14:00:00 ens3 9.38 7.39 36.22 1.90 0.00 0.00 0.00 0.00 14:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.37 0.37 0.14 0.14 0.00 0.00 0.00 0.00 Average: ens3 35.48 27.71 311.16 5.24 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-952) 04/07/26 _x86_64_ (4 CPU) 13:22:11 LINUX RESTART (4 CPU) 13:30:00 CPU %user %nice %system %iowait %steal %idle 13:40:00 all 0.14 0.00 0.03 0.02 0.01 99.79 13:40:00 0 0.03 0.00 0.04 0.08 0.01 99.84 13:40:00 1 0.11 0.00 0.04 0.00 0.02 99.83 13:40:00 2 0.43 0.00 0.02 0.00 0.01 99.54 13:40:00 3 0.02 0.00 0.01 0.02 0.01 99.95 13:50:00 all 35.12 0.00 0.97 0.30 0.07 63.55 13:50:00 0 34.69 0.00 0.82 0.05 0.07 64.37 13:50:00 1 35.81 0.00 1.28 0.49 0.07 62.36 13:50:00 2 34.52 0.00 0.92 0.56 0.06 63.94 13:50:00 3 35.48 0.00 0.85 0.09 0.06 63.52 14:00:00 all 45.20 0.00 0.51 0.02 0.07 54.19 14:00:00 0 72.72 0.00 0.52 0.01 0.09 26.66 14:00:00 1 32.24 0.00 0.52 0.03 0.07 67.14 14:00:00 2 32.32 0.00 0.49 0.03 0.07 67.09 14:00:00 3 43.54 0.00 0.52 0.01 0.07 55.85 Average: all 26.82 0.00 0.50 0.11 0.05 72.51 Average: 0 35.81 0.00 0.46 0.05 0.06 63.63 Average: 1 22.72 0.00 0.61 0.17 0.06 76.44 Average: 2 22.41 0.00 0.47 0.20 0.05 76.87 Average: 3 26.34 0.00 0.46 0.04 0.05 73.11