---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19350 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 607 10449 4 4932 15039 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:3e:96:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.70/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84769sec preferred_lft 84769sec inet6 fe80::f816:3eff:fe3e:96ee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:23:38:4a:c6:da 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-19350) 02/20/26 _x86_64_ (4 CPU) 13:09:59 LINUX RESTART (4 CPU) 13:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:00 68.83 22.94 44.87 1.02 2317.41 14696.65 6517.33 13:30:00 3.28 0.07 3.10 0.12 6.85 466.47 293.42 Average: 36.07 11.51 23.99 0.57 1162.60 7584.46 3406.65 13:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:00 9602176 12633588 3329848 20.34 112568 3088464 3607788 20.71 609628 5818072 664 13:30:00 9323340 12485456 3476888 21.24 116928 3204532 3669960 21.07 637860 6062044 20 Average: 9462758 12559522 3403368 20.79 114748 3146498 3638874 20.89 623744 5940058 342 13:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:00 lo 0.64 0.64 0.06 0.06 0.00 0.00 0.00 0.00 13:20:00 ens3 116.92 86.59 1040.15 15.06 0.00 0.00 0.00 0.00 13:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:00 lo 0.55 0.55 0.37 0.37 0.00 0.00 0.00 0.00 13:30:00 ens3 8.67 6.58 35.79 1.43 0.00 0.00 0.00 0.00 13:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.60 0.60 0.22 0.22 0.00 0.00 0.00 0.00 Average: ens3 62.82 46.60 538.17 8.25 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-19350) 02/20/26 _x86_64_ (4 CPU) 13:09:59 LINUX RESTART (4 CPU) 13:10:00 CPU %user %nice %system %iowait %steal %idle 13:20:00 all 39.60 0.00 1.27 0.48 0.07 58.57 13:20:00 0 36.46 0.00 1.23 0.62 0.07 61.62 13:20:00 1 35.87 0.00 1.33 0.45 0.07 62.29 13:20:00 2 45.18 0.00 1.37 0.28 0.07 53.10 13:20:00 3 40.91 0.00 1.15 0.58 0.07 57.29 13:30:00 all 46.01 0.00 0.53 0.02 0.07 53.37 13:30:00 0 33.42 0.00 0.52 0.02 0.08 65.96 13:30:00 1 44.94 0.00 0.58 0.03 0.07 54.38 13:30:00 2 50.16 0.00 0.58 0.02 0.07 49.16 13:30:00 3 55.47 0.00 0.45 0.00 0.07 44.01 Average: all 42.80 0.00 0.90 0.25 0.07 55.97 Average: 0 34.94 0.00 0.88 0.32 0.07 63.79 Average: 1 40.41 0.00 0.96 0.24 0.07 58.33 Average: 2 47.67 0.00 0.97 0.15 0.07 51.13 Average: 3 48.19 0.00 0.80 0.29 0.07 50.65