---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-458957 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 650 10555 4 4782 14996 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:bf:30:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.166/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84716sec preferred_lft 84716sec inet6 fe80::f816:3eff:febf:3055/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:1c:cb:f5:3c:27 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-458957) 03/13/26 _x86_64_ (4 CPU) 07:12:44 LINUX RESTART (4 CPU) 07:20:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:14 3.50 0.07 3.26 0.17 7.09 581.08 180.44 07:40:01 21.55 0.53 19.10 1.92 20.20 3420.47 15835.18 Average: 12.43 0.30 11.09 1.04 13.57 1984.67 7919.02 07:20:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:14 10071728 13082660 2880612 17.59 113664 3059524 3098592 17.79 501504 5464812 14488 07:40:01 10851092 15381640 575228 3.51 134616 4499356 1065348 6.12 872780 4231944 813676 Average: 10461410 14232150 1727920 10.55 124140 3779440 2081970 11.95 687142 4848378 414082 07:20:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:14 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 07:30:14 ens3 10.39 8.08 36.26 2.28 0.00 0.00 0.00 0.00 07:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 lo 506.12 506.12 482.23 482.23 0.00 0.00 0.00 0.00 07:40:01 ens3 54.81 36.56 496.70 18.07 0.00 0.00 0.00 0.00 07:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 250.50 250.50 238.57 238.57 0.00 0.00 0.00 0.00 Average: ens3 32.35 22.16 263.87 10.08 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-458957) 03/13/26 _x86_64_ (4 CPU) 07:12:44 LINUX RESTART (4 CPU) 07:20:14 CPU %user %nice %system %iowait %steal %idle 07:30:14 all 48.06 0.00 0.72 0.03 0.09 51.10 07:30:14 0 40.95 0.00 0.66 0.03 0.09 58.27 07:30:14 1 60.40 0.00 0.64 0.01 0.10 38.86 07:30:14 2 45.83 0.00 0.71 0.02 0.09 53.36 07:30:14 3 45.10 0.00 0.87 0.05 0.08 53.89 07:40:01 all 51.63 0.00 1.39 0.29 0.10 46.59 07:40:01 0 63.25 0.00 1.35 0.05 0.10 35.26 07:40:01 1 42.68 0.00 1.68 0.10 0.12 55.42 07:40:01 2 43.43 0.00 1.26 0.45 0.09 54.77 07:40:01 3 57.15 0.00 1.27 0.57 0.09 40.91 Average: all 49.83 0.00 1.05 0.16 0.09 48.87 Average: 0 51.97 0.00 1.00 0.04 0.10 46.90 Average: 1 51.64 0.00 1.15 0.05 0.11 47.05 Average: 2 44.65 0.00 0.98 0.23 0.09 54.05 Average: 3 51.06 0.00 1.07 0.31 0.09 47.48