---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9868 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 752 9237 4 6000 14894 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:db:c5:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.142/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83971sec preferred_lft 83971sec inet6 fe80::f816:3eff:fedb:c599/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:d8:43:52:ed:78 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-9868) 02/12/26 _x86_64_ (4 CPU) 20:24:21 LINUX RESTART (4 CPU) 20:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:02 15.50 2.27 12.15 1.09 135.28 3746.32 2008.67 20:50:02 58.37 0.31 47.38 10.67 10.52 4010.85 25293.44 21:00:02 33.89 0.14 28.35 5.40 6.51 5158.33 21753.29 Average: 35.92 0.91 29.29 5.72 50.77 4305.17 16351.80 20:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:02 8992112 12883796 3071036 18.76 168420 3813248 3336360 19.15 838388 6119328 115516 20:50:02 8464080 13115736 2832816 17.30 206284 4478704 3298660 18.93 1007348 6418524 108400 21:00:02 9567680 15345160 598592 3.66 245292 5502512 1120916 6.43 1401564 4821044 232 Average: 9007957 13781564 2167481 13.24 206665 4598155 2585312 14.84 1082433 5786299 74716 20:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:02 lo 1.37 1.37 0.15 0.15 0.00 0.00 0.00 0.00 20:40:02 ens3 91.09 73.93 446.17 20.76 0.00 0.00 0.00 0.00 20:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:02 lo 5516.06 5516.06 5257.53 5257.53 0.00 0.00 0.00 0.00 20:50:02 ens3 105.30 73.30 249.32 22.41 0.00 0.00 0.00 0.00 20:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:02 lo 2534.05 2534.05 2406.52 2406.52 0.00 0.00 0.00 0.00 21:00:02 ens3 95.18 86.94 135.63 124.38 0.00 0.00 0.00 0.00 21:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2683.82 2683.82 2554.73 2554.73 0.00 0.00 0.00 0.00 Average: ens3 97.19 78.06 277.04 55.85 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-9868) 02/12/26 _x86_64_ (4 CPU) 20:24:21 LINUX RESTART (4 CPU) 20:30:02 CPU %user %nice %system %iowait %steal %idle 20:40:02 all 69.60 0.00 2.43 0.08 0.09 27.80 20:40:02 0 69.26 0.00 2.34 0.08 0.09 28.23 20:40:02 1 70.71 0.00 2.46 0.09 0.10 26.64 20:40:02 2 70.35 0.00 2.64 0.08 0.10 26.83 20:40:02 3 68.07 0.00 2.26 0.09 0.10 29.48 20:50:02 all 60.87 0.00 4.17 0.16 0.10 34.70 20:50:02 0 61.22 0.00 4.10 0.27 0.10 34.31 20:50:02 1 61.69 0.00 4.51 0.10 0.10 33.60 20:50:02 2 59.67 0.00 4.05 0.12 0.10 36.06 20:50:02 3 60.90 0.00 4.02 0.15 0.09 34.83 21:00:02 all 48.71 0.00 2.72 0.20 0.08 48.28 21:00:02 0 43.82 0.00 2.67 0.38 0.08 53.05 21:00:02 1 48.96 0.00 2.63 0.15 0.08 48.18 21:00:02 2 51.99 0.00 2.93 0.18 0.08 44.81 21:00:02 3 50.07 0.00 2.66 0.10 0.08 47.10 Average: all 59.73 0.00 3.11 0.15 0.09 36.93 Average: 0 58.09 0.00 3.04 0.24 0.09 38.53 Average: 1 60.46 0.00 3.20 0.11 0.09 36.14 Average: 2 60.67 0.00 3.21 0.13 0.09 35.90 Average: 3 59.68 0.00 2.98 0.11 0.09 37.14