---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4329 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 736 9528 4 5724 14910 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:4d:f3:cd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83976sec preferred_lft 83976sec inet6 fe80::f816:3eff:fe4d:f3cd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:63:b5:27:17:82 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-4329) 04/18/26 _x86_64_ (4 CPU) 20:24:59 LINUX RESTART (4 CPU) 20:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:00 16.65 2.34 13.24 1.07 137.39 4029.36 3087.35 20:50:00 58.55 0.31 46.94 11.30 9.40 4094.52 7607.28 21:00:00 32.18 0.30 26.49 5.39 11.73 4906.08 18082.93 Average: 35.79 0.98 28.89 5.92 52.84 4343.32 9592.52 20:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:00 9216504 12852564 3104284 18.96 167048 3557820 3336340 19.15 654620 6073228 105748 20:50:00 8795980 13210376 2740104 16.74 200952 4244296 2959372 16.99 821864 6272888 107548 21:00:00 9863556 15358440 587248 3.59 237156 5228172 1102292 6.33 1199724 4740508 72 Average: 9292013 13807127 2143879 13.09 201719 4343429 2466001 14.15 892069 5695541 71123 20:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:00 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 20:40:00 ens3 103.40 79.91 568.63 22.45 0.00 0.00 0.00 0.00 20:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:00 lo 5745.65 5745.65 5479.29 5479.29 0.00 0.00 0.00 0.00 20:50:00 ens3 92.94 64.59 266.47 21.02 0.00 0.00 0.00 0.00 20:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:00 lo 2582.19 2582.19 2453.34 2453.34 0.00 0.00 0.00 0.00 21:00:00 ens3 88.40 77.14 109.67 118.04 0.00 0.00 0.00 0.00 21:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2776.40 2776.40 2644.26 2644.26 0.00 0.00 0.00 0.00 Average: ens3 94.92 73.88 314.92 53.83 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-4329) 04/18/26 _x86_64_ (4 CPU) 20:24:59 LINUX RESTART (4 CPU) 20:30:00 CPU %user %nice %system %iowait %steal %idle 20:40:00 all 68.31 0.00 2.33 0.07 0.09 29.20 20:40:00 0 68.10 0.00 2.36 0.06 0.09 29.39 20:40:00 1 69.16 0.00 2.21 0.10 0.09 28.44 20:40:00 2 69.29 0.00 2.53 0.08 0.09 28.01 20:40:00 3 66.70 0.00 2.22 0.03 0.09 30.96 20:50:00 all 61.88 0.00 4.14 0.11 0.09 33.78 20:50:00 0 62.21 0.00 4.42 0.18 0.10 33.09 20:50:00 1 63.37 0.00 4.48 0.05 0.09 32.01 20:50:00 2 61.39 0.00 4.02 0.11 0.09 34.40 20:50:00 3 60.53 0.00 3.63 0.12 0.09 35.63 21:00:00 all 48.60 0.00 2.62 0.10 0.08 48.60 21:00:00 0 47.57 0.00 2.30 0.08 0.08 49.97 21:00:00 1 51.34 0.00 3.19 0.07 0.08 45.31 21:00:00 2 45.09 0.00 2.10 0.11 0.08 52.63 21:00:00 3 50.42 0.00 2.87 0.15 0.08 46.48 Average: all 59.59 0.00 3.03 0.09 0.09 37.20 Average: 0 59.29 0.00 3.03 0.11 0.09 37.49 Average: 1 61.28 0.00 3.29 0.08 0.09 35.26 Average: 2 58.58 0.00 2.88 0.10 0.09 38.35 Average: 3 59.21 0.00 2.91 0.10 0.09 37.69