---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8232 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 651 8650 4 6686 14995 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:e2:68:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.151/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84174sec preferred_lft 84174sec inet6 fe80::f816:3eff:fee2:68bd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:20:ec:41:6c:f3 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-8232) 02/06/26 _x86_64_ (4 CPU) 13:26:38 LINUX RESTART (4 CPU) 13:30:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:10 32.76 3.57 26.02 3.18 782.16 4323.06 26173.10 13:50:16 27.61 0.01 24.68 2.91 0.20 2285.96 8459.80 14:00:00 38.24 0.14 21.27 16.83 6.85 9420.90 285093.19 Average: 32.80 1.23 24.01 7.56 261.81 5300.96 105029.24 13:30:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:10 9787516 13424780 2532416 15.47 135936 3637752 2715812 15.59 827880 5365668 18132 13:50:16 8192928 12470136 3483216 21.27 155936 4212372 3608080 20.71 971592 6779972 237136 14:00:00 8904740 15390696 555544 3.39 177052 6328036 1095028 6.29 1783036 5165948 25740 Average: 8961728 13761871 2190392 13.38 156308 4726053 2472973 14.19 1194169 5770529 93669 13:30:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:10 lo 1483.26 1483.26 1407.34 1407.34 0.00 0.00 0.00 0.00 13:40:10 ens3 121.42 93.17 1133.68 19.42 0.00 0.00 0.00 0.00 13:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:16 lo 1086.51 1086.51 1034.18 1034.18 0.00 0.00 0.00 0.00 13:50:16 ens3 45.03 33.77 27.44 11.50 0.00 0.00 0.00 0.00 13:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:00 lo 643.85 643.85 7407.10 7407.10 0.00 0.00 0.00 0.00 14:00:00 ens3 50.99 40.96 122.46 45.67 0.00 0.00 0.00 0.00 14:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1073.02 1073.02 3247.31 3247.31 0.00 0.00 0.00 0.00 Average: ens3 72.33 55.83 425.61 25.33 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-8232) 02/06/26 _x86_64_ (4 CPU) 13:26:38 LINUX RESTART (4 CPU) 13:30:19 CPU %user %nice %system %iowait %steal %idle 13:40:10 all 53.24 0.00 2.22 0.60 0.09 43.85 13:40:10 0 54.31 0.00 2.26 0.54 0.09 42.80 13:40:10 1 53.63 0.00 2.14 0.80 0.09 43.33 13:40:10 2 51.84 0.00 2.22 0.50 0.10 45.35 13:40:10 3 53.16 0.00 2.24 0.55 0.10 43.94 13:50:16 all 65.35 0.00 2.33 0.09 0.10 32.14 13:50:16 0 62.96 0.00 2.30 0.11 0.10 34.54 13:50:16 1 67.00 0.00 2.43 0.06 0.10 30.41 13:50:16 2 66.34 0.00 2.37 0.13 0.10 31.06 13:50:16 3 65.08 0.00 2.23 0.05 0.10 32.53 14:00:00 all 42.58 0.00 1.59 0.31 0.09 55.44 14:00:00 0 42.52 0.00 1.83 0.25 0.09 55.32 14:00:00 1 38.77 0.00 1.53 0.19 0.08 59.43 14:00:00 2 48.37 0.00 1.57 0.54 0.09 49.43 14:00:00 3 40.67 0.00 1.42 0.24 0.09 57.57 Average: all 53.86 0.00 2.05 0.33 0.09 43.67 Average: 0 53.38 0.00 2.13 0.30 0.09 44.10 Average: 1 53.30 0.00 2.04 0.35 0.09 44.22 Average: 2 55.63 0.00 2.06 0.39 0.09 41.83 Average: 3 53.13 0.00 1.97 0.28 0.10 44.53