---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23869 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 13G 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 675 8599 4 6713 14971 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:52:c0:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.5/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83885sec preferred_lft 83885sec inet6 fe80::f816:3eff:fe52:c03c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:ae:77:05:4c:ff 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-23869) 02/27/26 _x86_64_ (4 CPU) 19:03:20 LINUX RESTART (4 CPU) 19:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 21.56 2.96 16.80 1.80 162.27 3316.68 4501.67 19:30:03 26.00 0.01 22.98 3.00 0.17 2216.45 9354.14 19:40:03 21.11 0.02 19.18 1.91 0.45 4000.05 6935.47 Average: 22.89 0.99 19.66 2.24 54.08 3176.27 6936.84 19:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 10021844 13585796 2372976 14.49 134412 3565324 2508204 14.40 750568 5218116 27452 19:30:03 9208768 13183740 2771748 16.93 153952 3921644 3188776 18.30 872764 5882232 30864 19:40:03 8255976 13159908 2791696 17.05 165036 4803164 2904400 16.67 1145988 6502456 21376 Average: 9162196 13309815 2645473 16.16 151133 4096711 2867127 16.46 923107 5867601 26564 19:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 979.59 979.59 927.65 927.65 0.00 0.00 0.00 0.00 19:20:01 ens3 110.45 85.78 983.28 16.43 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:03 lo 1536.77 1536.77 1463.81 1463.81 0.00 0.00 0.00 0.00 19:30:03 ens3 43.29 34.11 20.08 11.74 0.00 0.00 0.00 0.00 19:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:03 lo 953.79 953.79 7521.94 7521.94 0.00 0.00 0.00 0.00 19:40:03 ens3 31.55 24.68 42.44 8.11 0.00 0.00 0.00 0.00 19:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1157.45 1157.45 3305.18 3305.18 0.00 0.00 0.00 0.00 Average: ens3 61.68 48.12 347.33 12.08 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-23869) 02/27/26 _x86_64_ (4 CPU) 19:03:20 LINUX RESTART (4 CPU) 19:10:03 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 42.61 0.00 1.73 0.12 0.07 55.47 19:20:01 0 42.03 0.00 1.60 0.08 0.07 56.22 19:20:01 1 42.25 0.00 1.86 0.19 0.07 55.63 19:20:01 2 42.77 0.00 1.74 0.07 0.07 55.36 19:20:01 3 43.38 0.00 1.72 0.14 0.07 54.69 19:30:03 all 66.93 0.00 2.40 0.25 0.09 30.33 19:30:03 0 66.92 0.00 2.18 0.08 0.09 30.73 19:30:03 1 66.70 0.00 2.37 0.20 0.09 30.63 19:30:03 2 67.40 0.00 2.53 0.19 0.09 29.79 19:30:03 3 66.71 0.00 2.51 0.51 0.09 30.19 19:40:03 all 49.83 0.00 1.81 0.10 0.09 48.17 19:40:03 0 50.94 0.00 1.75 0.06 0.09 47.17 19:40:03 1 48.46 0.00 1.92 0.21 0.08 49.33 19:40:03 2 52.70 0.00 1.85 0.08 0.09 45.28 19:40:03 3 47.21 0.00 1.72 0.07 0.09 50.91 Average: all 53.15 0.00 1.98 0.16 0.08 44.63 Average: 0 53.33 0.00 1.84 0.07 0.08 44.68 Average: 1 52.50 0.00 2.05 0.20 0.08 45.17 Average: 2 54.33 0.00 2.04 0.11 0.08 43.44 Average: 3 52.46 0.00 1.99 0.24 0.08 45.23