---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-475546 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 12G 66G 16% / 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 648 8864 4 6476 14997 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:03:e6:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.106/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84641sec preferred_lft 84641sec inet6 fe80::f816:3eff:fe03:e61c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:11:c2:56:04:49 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-475546) 03/14/26 _x86_64_ (4 CPU) 22:11:12 LINUX RESTART (4 CPU) 22:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:30:01 26.51 0.02 23.72 2.77 0.23 2324.22 7107.23 22:40:02 21.76 0.09 19.52 2.15 8.29 9303.78 5058.10 Average: 24.13 0.06 21.62 2.46 4.26 5813.24 6082.89 22:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:30:01 9330452 13131000 2825276 17.26 151908 3749240 3215328 18.46 759172 5876200 30108 22:40:02 9162764 15435932 512956 3.13 177860 6112992 1040700 5.97 1625180 5068616 28308 Average: 9246608 14283466 1669116 10.19 164884 4931116 2128014 12.21 1192176 5472408 29208 22:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:30:01 lo 1164.29 1164.29 1108.74 1108.74 0.00 0.00 0.00 0.00 22:30:01 ens3 25.20 21.88 38.86 6.81 0.00 0.00 0.00 0.00 22:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:02 lo 712.38 712.38 7289.59 7289.59 0.00 0.00 0.00 0.00 22:40:02 ens3 40.19 34.03 110.07 34.50 0.00 0.00 0.00 0.00 22:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 938.38 938.38 4198.49 4198.49 0.00 0.00 0.00 0.00 Average: ens3 32.69 27.95 74.46 20.65 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-475546) 03/14/26 _x86_64_ (4 CPU) 22:11:12 LINUX RESTART (4 CPU) 22:20:01 CPU %user %nice %system %iowait %steal %idle 22:30:01 all 65.34 0.00 2.34 0.11 0.10 32.10 22:30:01 0 66.05 0.00 1.99 0.31 0.09 31.55 22:30:01 1 65.79 0.00 2.01 0.04 0.10 32.07 22:30:01 2 64.76 0.00 3.05 0.05 0.10 32.04 22:30:01 3 64.77 0.00 2.33 0.05 0.10 32.75 22:40:02 all 43.03 0.00 1.64 0.18 0.08 55.07 22:40:02 0 35.10 0.00 1.31 0.15 0.08 63.35 22:40:02 1 39.90 0.00 1.75 0.12 0.07 58.16 22:40:02 2 49.45 0.00 1.59 0.16 0.08 48.72 22:40:02 3 47.71 0.00 1.89 0.27 0.08 50.04 Average: all 54.17 0.00 1.99 0.14 0.09 43.60 Average: 0 50.54 0.00 1.65 0.23 0.09 47.48 Average: 1 52.83 0.00 1.88 0.08 0.08 45.13 Average: 2 57.10 0.00 2.32 0.11 0.09 40.38 Average: 3 56.23 0.00 2.11 0.16 0.09 41.41