---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25817 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 645 10595 4 4748 15001 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:10:2b:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.235/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84759sec preferred_lft 84759sec inet6 fe80::f816:3eff:fe10:2b78/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:32:4a:99:0b:a6 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-25817) 03/03/26 _x86_64_ (4 CPU) 00:25:28 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:17 3.69 0.11 3.41 0.17 8.58 519.79 154.01 00:50:17 33.09 0.53 17.65 14.91 19.64 2466.26 253523.90 Average: 18.19 0.32 10.44 7.44 14.04 1480.10 125157.27 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:17 10859416 13817336 2146380 13.11 114156 3006960 2415096 13.86 503496 4667788 24240 00:50:17 10217104 13620612 2338704 14.28 137092 3401548 2504816 14.38 689080 5076980 9560 Average: 10538260 13718974 2242542 13.70 125624 3204254 2459956 14.12 596288 4872384 16900 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:17 lo 0.58 0.58 0.37 0.37 0.00 0.00 0.00 0.00 00:40:17 ens3 10.70 8.27 36.12 2.50 0.00 0.00 0.00 0.00 00:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:17 lo 511.19 511.19 487.01 487.01 0.00 0.00 0.00 0.00 00:50:17 ens3 42.63 27.00 410.15 5.36 0.00 0.00 0.00 0.00 00:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 252.50 252.50 240.46 240.46 0.00 0.00 0.00 0.00 Average: ens3 26.45 17.51 220.65 3.91 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-25817) 03/03/26 _x86_64_ (4 CPU) 00:25:28 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:17 all 46.58 0.00 0.72 0.02 0.09 52.58 00:40:17 0 42.73 0.00 0.73 0.01 0.09 56.43 00:40:17 1 47.64 0.00 0.75 0.04 0.09 51.48 00:40:17 2 43.34 0.00 0.70 0.01 0.09 55.86 00:40:17 3 52.59 0.00 0.70 0.04 0.10 46.56 00:50:17 all 53.87 0.00 1.41 0.17 0.11 44.44 00:50:17 0 44.94 0.00 1.36 0.16 0.11 53.43 00:50:17 1 67.14 0.00 1.70 0.20 0.11 30.85 00:50:17 2 55.68 0.00 1.34 0.18 0.11 42.70 00:50:17 3 47.70 0.00 1.25 0.14 0.10 50.81 Average: all 50.17 0.00 1.06 0.10 0.10 48.57 Average: 0 43.82 0.00 1.04 0.08 0.10 54.95 Average: 1 57.27 0.00 1.22 0.12 0.10 41.30 Average: 2 49.44 0.00 1.02 0.09 0.10 49.36 Average: 3 50.18 0.00 0.97 0.09 0.10 48.66