---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25077 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 708 9512 4 5767 14937 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:37:a4:02 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.200/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84620sec preferred_lft 84620sec inet6 fe80::f816:3eff:fe37:a402/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:34:0c:3a:03:c2 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-25077) 03/01/26 _x86_64_ (4 CPU) 20:47:54 LINUX RESTART (4 CPU) 20:50:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:00:32 44.80 2.97 26.27 15.56 542.59 5435.94 258414.99 21:10:09 35.01 0.07 31.55 3.39 1.54 6177.27 11853.77 Average: 40.03 1.55 28.84 9.63 279.03 5797.07 138307.43 20:50:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:00:32 9331336 13219676 2735200 16.71 160044 3816852 2980912 17.11 850076 5772836 16624 21:10:09 7862260 13158852 2789508 17.04 187412 5125224 2969752 17.05 1145292 6851916 34056 Average: 8596798 13189264 2762354 16.87 173728 4471038 2975332 17.08 997684 6312376 25340 20:50:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:00:32 lo 852.06 852.06 811.54 811.54 0.00 0.00 0.00 0.00 21:00:32 ens3 103.39 78.01 981.84 17.98 0.00 0.00 0.00 0.00 21:00:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:09 lo 1258.22 1258.22 1198.39 1198.39 0.00 0.00 0.00 0.00 21:10:09 ens3 57.30 42.94 238.03 12.97 0.00 0.00 0.00 0.00 21:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1049.91 1049.91 999.99 999.99 0.00 0.00 0.00 0.00 Average: ens3 80.93 60.93 619.51 15.54 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-25077) 03/01/26 _x86_64_ (4 CPU) 20:47:54 LINUX RESTART (4 CPU) 20:50:25 CPU %user %nice %system %iowait %steal %idle 21:00:32 all 66.25 0.00 2.42 0.17 0.12 31.05 21:00:32 0 63.98 0.00 2.17 0.19 0.12 33.55 21:00:32 1 65.44 0.00 2.35 0.18 0.12 31.91 21:00:32 2 68.80 0.00 2.82 0.14 0.12 28.13 21:00:32 3 66.77 0.00 2.33 0.17 0.12 30.61 21:10:09 all 57.11 0.00 2.49 0.27 0.12 40.01 21:10:09 0 54.11 0.00 2.52 0.23 0.12 43.02 21:10:09 1 59.74 0.00 2.65 0.25 0.12 37.23 21:10:09 2 58.56 0.00 2.29 0.26 0.11 38.77 21:10:09 3 56.02 0.00 2.49 0.34 0.11 41.03 Average: all 61.80 0.00 2.45 0.22 0.12 35.41 Average: 0 59.18 0.00 2.34 0.21 0.12 38.16 Average: 1 62.66 0.00 2.50 0.22 0.12 34.50 Average: 2 63.81 0.00 2.56 0.20 0.12 33.31 Average: 3 61.54 0.00 2.41 0.25 0.12 35.68