---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8292 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: 5600.00 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 795 9239 4 5953 14851 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:b9:55:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.133/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83964sec preferred_lft 83964sec inet6 fe80::f816:3eff:feb9:557b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:e7:c6:44:4f:c6 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-8292) 02/06/26 _x86_64_ (4 CPU) 20:24:21 LINUX RESTART (4 CPU) 20:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:08 16.61 2.05 13.38 1.18 129.28 3990.82 7565.61 20:50:08 64.15 0.01 52.28 11.86 0.11 3769.38 10217.31 21:00:04 31.70 0.14 26.64 4.92 6.53 4975.25 5708.33 Average: 37.49 0.74 30.77 5.99 45.42 4243.47 7834.91 20:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:08 8881680 13215336 2737464 16.72 178784 4216152 3017192 17.32 904324 6111264 429564 20:50:08 8224484 12895752 3053376 18.65 204824 4494260 3225000 18.51 1036696 6617036 128372 21:00:04 9622292 15351872 592552 3.62 241340 5459356 1123164 6.45 1412852 4768628 220 Average: 8909485 13820987 2127797 13.00 208316 4723256 2455119 14.09 1117957 5832309 186052 20:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:08 lo 97.66 97.66 91.84 91.84 0.00 0.00 0.00 0.00 20:40:08 ens3 89.84 70.13 347.16 19.88 0.00 0.00 0.00 0.00 20:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:08 lo 5691.96 5691.96 5424.92 5424.92 0.00 0.00 0.00 0.00 20:50:08 ens3 76.25 60.38 28.73 21.94 0.00 0.00 0.00 0.00 20:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:04 lo 2094.96 2094.96 1985.63 1985.63 0.00 0.00 0.00 0.00 21:00:04 ens3 96.48 87.13 136.32 135.67 0.00 0.00 0.00 0.00 21:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2628.33 2628.33 2500.95 2500.95 0.00 0.00 0.00 0.00 Average: ens3 87.50 72.51 170.88 58.98 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-8292) 02/06/26 _x86_64_ (4 CPU) 20:24:21 LINUX RESTART (4 CPU) 20:30:08 CPU %user %nice %system %iowait %steal %idle 20:40:08 all 70.25 0.00 2.40 0.06 0.10 27.18 20:40:08 0 70.30 0.00 2.25 0.07 0.11 27.27 20:40:08 1 69.85 0.00 2.29 0.05 0.10 27.71 20:40:08 2 70.41 0.00 2.31 0.10 0.10 27.08 20:40:08 3 70.45 0.00 2.75 0.03 0.11 26.67 20:50:08 all 61.56 0.00 4.15 0.12 0.09 34.07 20:50:08 0 60.48 0.00 4.10 0.12 0.10 35.21 20:50:08 1 61.46 0.00 4.08 0.09 0.09 34.28 20:50:08 2 62.73 0.00 4.51 0.09 0.10 32.57 20:50:08 3 61.59 0.00 3.92 0.17 0.09 34.24 21:00:04 all 44.43 0.00 2.42 0.13 0.08 52.93 21:00:04 0 46.57 0.00 2.50 0.20 0.09 50.64 21:00:04 1 44.51 0.00 2.34 0.13 0.08 52.94 21:00:04 2 46.59 0.00 2.40 0.11 0.08 50.83 21:00:04 3 40.06 0.00 2.46 0.08 0.08 57.31 Average: all 58.77 0.00 2.99 0.10 0.09 38.04 Average: 0 59.14 0.00 2.95 0.13 0.10 37.68 Average: 1 58.64 0.00 2.90 0.09 0.09 38.28 Average: 2 59.93 0.00 3.07 0.10 0.09 36.80 Average: 3 57.38 0.00 3.04 0.09 0.09 39.39