---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9884 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 684 10300 4 5004 14962 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:a0:b8:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.63/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84452sec preferred_lft 84452sec inet6 fe80::f816:3eff:fea0:b8e7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:dc:96:e2:40:33 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-9884) 02/12/26 _x86_64_ (4 CPU) 23:12:27 LINUX RESTART (4 CPU) 23:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:30:04 12.24 1.88 9.47 0.89 124.87 2777.68 2114.96 23:40:04 27.90 0.94 23.06 3.90 29.93 4495.61 4101.78 Average: 20.05 1.41 16.25 2.39 77.50 3634.78 3106.22 23:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:30:04 10308852 13767156 2191204 13.38 133812 3451228 2568668 14.74 682648 5003660 30596 23:40:04 10672116 15425860 524004 3.20 174848 4609924 1049816 6.03 1039376 4159940 99956 Average: 10490484 14596508 1357604 8.29 154330 4030576 1809242 10.39 861012 4581800 65276 23:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:30:04 lo 1.11 1.11 0.11 0.11 0.00 0.00 0.00 0.00 23:30:04 ens3 97.95 77.71 599.87 18.77 0.00 0.00 0.00 0.00 23:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:04 lo 1504.86 1504.86 1433.61 1433.61 0.00 0.00 0.00 0.00 23:40:04 ens3 97.88 72.54 462.81 18.65 0.00 0.00 0.00 0.00 23:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 751.36 751.36 715.31 715.31 0.00 0.00 0.00 0.00 Average: ens3 97.92 75.13 531.49 18.71 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-9884) 02/12/26 _x86_64_ (4 CPU) 23:12:27 LINUX RESTART (4 CPU) 23:20:01 CPU %user %nice %system %iowait %steal %idle 23:30:04 all 56.18 0.00 1.81 0.05 0.08 41.88 23:30:04 0 55.30 0.00 2.04 0.03 0.07 42.55 23:30:04 1 54.08 0.00 1.52 0.04 0.07 44.28 23:30:04 2 56.82 0.00 2.04 0.08 0.07 40.98 23:30:04 3 58.53 0.00 1.63 0.04 0.08 39.72 23:40:04 all 68.63 0.00 2.65 0.18 0.10 28.44 23:40:04 0 66.28 0.00 2.32 0.25 0.10 31.06 23:40:04 1 69.92 0.00 2.81 0.08 0.10 27.10 23:40:04 2 71.27 0.00 3.05 0.04 0.10 25.54 23:40:04 3 67.06 0.00 2.43 0.35 0.10 30.07 Average: all 62.39 0.00 2.23 0.11 0.09 35.18 Average: 0 60.78 0.00 2.18 0.14 0.09 36.82 Average: 1 61.98 0.00 2.16 0.06 0.09 35.72 Average: 2 64.03 0.00 2.54 0.06 0.09 33.28 Average: 3 62.79 0.00 2.03 0.19 0.09 34.90