---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22546 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 66G 16% / 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 678 8860 4 6449 14968 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:fd:d1:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.149/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84018sec preferred_lft 84018sec inet6 fe80::f816:3eff:fefd:d171/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:09:7a:56:11:31 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-22546) 02/26/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:18 25.11 0.06 22.26 2.79 6.20 2253.23 5356.41 19:30:01 30.60 0.03 27.50 3.07 0.56 4582.56 10170.41 19:40:12 11.66 0.16 10.04 1.46 11.75 5827.25 958.03 Average: 22.34 0.08 19.83 2.43 6.25 4210.57 5424.58 19:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:18 9076860 12821748 3135624 19.15 143624 3709564 3151720 18.09 732172 6165488 189592 19:30:01 7926520 12530144 3423056 20.91 159832 4513992 3313400 19.02 996568 6997428 1388 19:40:12 9104320 15351636 596032 3.64 179808 6085028 1099632 6.31 1620504 5141280 9172 Average: 8702567 13567843 2384904 14.57 161088 4769528 2521584 14.47 1116415 6101399 66717 19:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:18 lo 1401.48 1401.48 1328.73 1328.73 0.00 0.00 0.00 0.00 19:20:18 ens3 42.68 36.63 29.61 12.32 0.00 0.00 0.00 0.00 19:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1273.14 1273.14 1208.25 1208.25 0.00 0.00 0.00 0.00 19:30:01 ens3 45.26 35.52 30.43 12.11 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:12 lo 235.54 235.54 6715.54 6715.54 0.00 0.00 0.00 0.00 19:40:12 ens3 85.57 95.45 114.20 1051.35 0.00 0.00 0.00 0.00 19:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 966.62 966.62 3107.78 3107.78 0.00 0.00 0.00 0.00 Average: ens3 57.98 56.13 58.42 362.90 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-22546) 02/26/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:02 CPU %user %nice %system %iowait %steal %idle 19:20:18 all 66.76 0.00 2.40 0.09 0.11 30.64 19:20:18 0 67.67 0.00 2.53 0.10 0.11 29.58 19:20:18 1 65.13 0.00 2.24 0.06 0.10 32.47 19:20:18 2 67.29 0.00 2.51 0.09 0.11 30.00 19:20:18 3 66.94 0.00 2.31 0.12 0.11 30.52 19:30:01 all 58.59 0.00 2.42 0.31 0.10 38.57 19:30:01 0 56.35 0.00 2.57 0.12 0.10 40.86 19:30:01 1 58.45 0.00 2.39 0.46 0.10 38.60 19:30:01 2 58.87 0.00 2.14 0.14 0.10 38.76 19:30:01 3 60.71 0.00 2.58 0.54 0.10 36.07 19:40:12 all 26.44 0.00 0.88 4.55 0.07 68.07 19:40:12 0 19.14 0.00 0.90 0.76 0.06 79.14 19:40:12 1 27.87 0.00 0.53 0.22 0.06 71.32 19:40:12 2 23.05 0.00 1.03 2.42 0.07 73.43 19:40:12 3 35.71 0.00 1.06 14.80 0.07 48.36 Average: all 50.50 0.00 1.89 1.67 0.09 45.85 Average: 0 47.61 0.00 1.99 0.33 0.09 49.99 Average: 1 50.39 0.00 1.71 0.24 0.09 47.56 Average: 2 49.61 0.00 1.89 0.89 0.09 47.51 Average: 3 54.38 0.00 1.97 5.22 0.09 38.34