---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-165795 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 68G 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 689 10565 4 4733 14956 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:06:7d:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84560sec preferred_lft 84560sec inet6 fe80::f816:3eff:fe06:7da4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:c1:4f:1f:41:fe 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-165795) 03/07/26 _x86_64_ (4 CPU) 03:28:14 LINUX RESTART (4 CPU) 03:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:40:04 17.83 2.78 14.44 0.60 156.59 3054.33 568.00 03:50:05 17.91 0.81 15.62 1.48 28.72 3576.28 2035.42 Average: 17.87 1.80 15.03 1.04 92.77 3314.85 1300.45 03:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:40:04 11077524 14044264 1918784 11.72 118608 3001556 2215736 12.72 506016 4441668 29848 03:50:05 9297636 13299616 2653888 16.21 168324 3893760 2779156 15.95 766304 5837664 5668 Average: 10187580 13671940 2286336 13.96 143466 3447658 2497446 14.34 636160 5139666 17758 03:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:40:04 lo 0.70 0.70 0.07 0.07 0.00 0.00 0.00 0.00 03:40:04 ens3 71.23 56.12 696.72 12.17 0.00 0.00 0.00 0.00 03:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:50:05 lo 387.43 387.43 368.51 368.51 0.00 0.00 0.00 0.00 03:50:05 ens3 80.86 58.14 367.30 18.68 0.00 0.00 0.00 0.00 03:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 193.73 193.73 183.97 183.97 0.00 0.00 0.00 0.00 Average: ens3 76.04 57.13 532.29 15.42 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-165795) 03/07/26 _x86_64_ (4 CPU) 03:28:14 LINUX RESTART (4 CPU) 03:30:01 CPU %user %nice %system %iowait %steal %idle 03:40:04 all 31.36 0.00 1.10 0.09 0.07 67.38 03:40:04 0 30.25 0.00 0.81 0.04 0.06 68.84 03:40:04 1 31.22 0.00 1.25 0.10 0.08 67.34 03:40:04 2 31.57 0.00 1.16 0.07 0.08 67.12 03:40:04 3 32.42 0.00 1.18 0.13 0.06 66.20 03:50:05 all 70.64 0.00 2.42 0.06 0.12 26.75 03:50:05 0 71.97 0.00 2.37 0.07 0.12 25.47 03:50:05 1 72.20 0.00 2.51 0.08 0.12 25.10 03:50:05 2 69.33 0.00 2.44 0.08 0.12 28.03 03:50:05 3 69.07 0.00 2.37 0.03 0.11 28.41 Average: all 50.95 0.00 1.76 0.08 0.09 47.12 Average: 0 51.03 0.00 1.59 0.05 0.09 47.23 Average: 1 51.68 0.00 1.88 0.09 0.10 46.26 Average: 2 50.40 0.00 1.80 0.07 0.10 47.63 Average: 3 50.69 0.00 1.78 0.08 0.09 47.36