---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19458 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 626 10233 4 5129 15020 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:d7:9c:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84722sec preferred_lft 84722sec inet6 fe80::f816:3eff:fed7:9cb5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:0d:8b:e9:45:29 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-19458) 02/21/26 _x86_64_ (4 CPU) 00:25:50 LINUX RESTART (4 CPU) 00:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:00 9.90 0.79 8.35 0.76 642.67 1722.34 19443.72 00:50:11 13.35 0.52 11.96 0.87 19.11 1889.27 2050.73 Average: 11.66 0.65 10.19 0.81 325.51 1807.25 10597.13 00:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:00 8351016 11670384 4291000 26.21 118856 3360576 4431676 25.44 692652 6981920 1264 00:50:11 8749296 12801048 3155612 19.27 140656 4031416 3356332 19.27 909252 6322704 282760 Average: 8550156 12235716 3723306 22.74 129756 3695996 3894004 22.35 800952 6652312 142012 00:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:00 lo 0.69 0.69 0.40 0.40 0.00 0.00 0.00 0.00 00:40:00 ens3 43.17 31.09 353.10 4.89 0.00 0.00 0.00 0.00 00:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:11 lo 331.74 331.74 315.90 315.90 0.00 0.00 0.00 0.00 00:50:11 ens3 36.98 25.93 402.55 4.36 0.00 0.00 0.00 0.00 00:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 169.07 169.07 160.87 160.87 0.00 0.00 0.00 0.00 Average: ens3 40.02 28.47 378.25 4.62 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-19458) 02/21/26 _x86_64_ (4 CPU) 00:25:50 LINUX RESTART (4 CPU) 00:30:09 CPU %user %nice %system %iowait %steal %idle 00:40:00 all 47.96 0.00 0.84 0.08 0.08 51.05 00:40:00 0 51.79 0.00 0.84 0.15 0.08 47.13 00:40:00 1 43.68 0.00 0.88 0.06 0.08 55.30 00:40:00 2 47.18 0.00 0.80 0.04 0.08 51.90 00:40:00 3 49.16 0.00 0.83 0.06 0.08 49.87 00:50:11 all 51.12 0.00 1.12 0.09 0.09 47.57 00:50:11 0 77.82 0.00 1.21 0.03 0.10 20.83 00:50:11 1 41.47 0.00 1.17 0.13 0.11 57.13 00:50:11 2 40.42 0.00 1.16 0.04 0.08 58.30 00:50:11 3 44.78 0.00 0.96 0.16 0.09 54.01 Average: all 49.57 0.00 0.98 0.08 0.09 49.28 Average: 0 65.04 0.00 1.03 0.09 0.09 33.75 Average: 1 42.56 0.00 1.03 0.09 0.09 56.23 Average: 2 43.74 0.00 0.98 0.04 0.08 55.15 Average: 3 46.94 0.00 0.90 0.11 0.08 51.97