---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22610 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 12G 67G 15% / 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 635 9522 4 5830 15011 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:15:23:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.51/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84488sec preferred_lft 84488sec inet6 fe80::f816:3eff:fe15:236a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:23:d6:b0:a7:5c 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-22610) 02/27/26 _x86_64_ (4 CPU) 01:06:27 LINUX RESTART (4 CPU) 01:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:00 22.98 0.80 19.13 3.05 35.33 3612.80 49637.88 01:30:00 21.97 0.16 18.77 3.04 5.01 1686.11 22101.44 Average: 22.48 0.48 18.95 3.05 20.17 2649.46 35869.77 01:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:00 9927120 13296488 2662852 16.26 129840 3363508 3014452 17.30 673664 5394192 208 01:30:00 9344800 13202144 2753744 16.82 150568 3798124 3026400 17.37 815236 5797196 126816 Average: 9635960 13249316 2708298 16.54 140204 3580816 3020426 17.34 744450 5595694 63512 01:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:00 lo 26.74 26.74 6.17 6.17 0.00 0.00 0.00 0.00 01:20:00 ens3 35.99 26.94 148.93 7.34 0.00 0.00 0.00 0.00 01:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:00 lo 1371.24 1371.24 1279.38 1279.38 0.00 0.00 0.00 0.00 01:30:00 ens3 43.30 31.87 263.11 7.83 0.00 0.00 0.00 0.00 01:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 698.99 698.99 642.77 642.77 0.00 0.00 0.00 0.00 Average: ens3 39.65 29.41 206.02 7.58 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-22610) 02/27/26 _x86_64_ (4 CPU) 01:06:27 LINUX RESTART (4 CPU) 01:10:00 CPU %user %nice %system %iowait %steal %idle 01:20:00 all 36.21 0.00 1.27 1.15 0.10 61.26 01:20:00 0 35.07 0.00 1.29 3.04 0.10 60.50 01:20:00 1 35.70 0.00 1.20 0.56 0.11 62.43 01:20:00 2 37.20 0.00 1.07 0.40 0.10 61.24 01:20:00 3 36.87 0.00 1.54 0.61 0.10 60.88 01:30:00 all 30.36 0.00 1.65 0.06 0.10 67.83 01:30:00 0 30.11 0.00 1.78 0.06 0.10 67.96 01:30:00 1 31.31 0.00 1.65 0.03 0.10 66.93 01:30:00 2 29.21 0.00 1.55 0.08 0.10 69.07 01:30:00 3 30.81 0.00 1.63 0.09 0.10 67.37 Average: all 33.28 0.00 1.46 0.61 0.10 64.54 Average: 0 32.59 0.00 1.53 1.55 0.10 64.23 Average: 1 33.51 0.00 1.42 0.29 0.10 64.67 Average: 2 33.21 0.00 1.31 0.24 0.10 65.15 Average: 3 33.84 0.00 1.59 0.35 0.10 64.12