---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8242 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 637 8657 4 6693 15008 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:97:b9:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84244sec preferred_lft 84244sec inet6 fe80::f816:3eff:fe97:b993/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:b0:9e:d7:20:4d 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-8242) 02/06/26 _x86_64_ (4 CPU) 14:07:30 LINUX RESTART (4 CPU) 14:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:11 33.53 3.45 26.87 3.20 758.23 4300.31 31159.16 14:30:01 27.91 0.01 24.95 2.95 0.22 2425.36 16514.03 14:40:11 35.56 0.13 19.43 16.00 6.53 8998.32 274805.80 Average: 32.39 1.21 23.74 7.43 258.02 5273.67 108530.02 14:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:11 9308856 13081360 2876464 17.57 136236 3765916 3099196 17.79 844312 5842760 126280 14:30:01 8646784 12811420 3142864 19.20 156992 4104028 3564396 20.46 954692 6354532 100448 14:40:11 8865644 15358424 587772 3.59 176636 6334960 1137624 6.53 1784516 5189216 640 Average: 8940428 13750401 2202367 13.45 156621 4734968 2600405 14.93 1194507 5795503 75789 14:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:11 lo 1435.37 1435.37 1361.71 1361.71 0.00 0.00 0.00 0.00 14:20:11 ens3 125.95 93.16 1117.29 18.94 0.00 0.00 0.00 0.00 14:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 1137.91 1137.91 1083.37 1083.37 0.00 0.00 0.00 0.00 14:30:01 ens3 32.29 28.55 26.68 10.81 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:11 lo 577.25 577.25 7048.49 7048.49 0.00 0.00 0.00 0.00 14:40:11 ens3 53.99 52.04 118.73 397.41 0.00 0.00 0.00 0.00 14:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1049.23 1049.23 3188.24 3188.24 0.00 0.00 0.00 0.00 Average: ens3 71.20 58.26 425.57 143.88 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-8242) 02/06/26 _x86_64_ (4 CPU) 14:07:30 LINUX RESTART (4 CPU) 14:10:01 CPU %user %nice %system %iowait %steal %idle 14:20:11 all 53.44 0.00 2.28 0.14 0.08 44.06 14:20:11 0 52.58 0.00 2.20 0.12 0.08 45.02 14:20:11 1 53.64 0.00 2.28 0.17 0.08 43.82 14:20:11 2 52.76 0.00 2.18 0.12 0.08 44.86 14:20:11 3 54.76 0.00 2.47 0.14 0.08 42.55 14:30:01 all 63.72 0.00 2.29 0.09 0.09 33.81 14:30:01 0 63.42 0.00 2.28 0.16 0.09 34.05 14:30:01 1 65.09 0.00 2.49 0.11 0.09 32.22 14:30:01 2 62.51 0.00 2.25 0.05 0.09 35.11 14:30:01 3 63.86 0.00 2.13 0.05 0.09 33.87 14:40:11 all 40.69 0.00 1.49 0.30 0.08 57.45 14:40:11 0 43.87 0.00 1.44 0.21 0.08 54.40 14:40:11 1 41.98 0.00 1.36 0.09 0.08 56.49 14:40:11 2 42.43 0.00 1.75 0.23 0.08 55.51 14:40:11 3 34.47 0.00 1.42 0.65 0.08 63.39 Average: all 52.48 0.00 2.02 0.18 0.08 45.24 Average: 0 53.16 0.00 1.97 0.16 0.08 44.62 Average: 1 53.43 0.00 2.04 0.13 0.08 44.32 Average: 2 52.45 0.00 2.05 0.14 0.08 45.28 Average: 3 50.88 0.00 2.00 0.28 0.08 46.76