---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3122 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 11G 68G 14% / 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 627 10644 4 4716 15018 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:32:f1:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83408sec preferred_lft 83408sec inet6 fe80::f816:3eff:fe32:f1e5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:85:8c:a2:e7:d0 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-3122) 01/22/26 _x86_64_ (4 CPU) 22:57:52 LINUX RESTART (4 CPU) 23:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:10:02 11.61 0.57 9.61 1.42 608.28 1050.67 22002.17 23:20:02 13.93 0.01 1.25 12.67 0.20 14.81 242528.93 23:30:02 1.13 0.00 1.13 0.00 0.23 13.27 0.00 23:40:00 53.21 4.65 47.73 0.83 266.11 3371.60 2255.14 Average: 19.93 1.30 14.90 3.73 218.71 1110.33 66754.45 23:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:10:02 13430096 15518060 496452 3.03 68264 2243596 1139724 6.54 405732 2275704 216 23:20:02 13425760 15518984 495384 3.03 68816 2248296 1139724 6.54 411048 2275120 144 23:30:02 13425312 15518908 495508 3.03 69112 2248368 1139724 6.54 411340 2276800 212 23:40:00 11440332 14478392 1486852 9.08 119756 3100916 1853376 10.64 628844 3972696 26096 Average: 12930375 15258586 743549 4.54 81487 2460294 1318137 7.57 464241 2700080 6667 23:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:10:02 lo 0.15 0.15 0.02 0.02 0.00 0.00 0.00 0.00 23:10:02 ens3 66.49 45.48 189.29 3.16 0.00 0.00 0.00 0.00 23:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:20:02 ens3 0.15 0.08 0.04 0.02 0.00 0.00 0.00 0.00 23:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:30:02 ens3 0.14 0.07 0.04 0.02 0.00 0.00 0.00 0.00 23:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:00 lo 100.99 100.99 95.99 95.99 0.00 0.00 0.00 0.00 23:40:00 ens3 79.40 57.82 797.83 11.60 0.00 0.00 0.00 0.00 23:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 25.25 25.25 23.93 23.93 0.00 0.00 0.00 0.00 Average: ens3 36.51 25.83 246.24 3.69 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-3122) 01/22/26 _x86_64_ (4 CPU) 22:57:52 LINUX RESTART (4 CPU) 23:00:02 CPU %user %nice %system %iowait %steal %idle 23:10:02 all 0.62 0.00 0.21 0.30 0.03 98.84 23:10:02 0 0.59 0.00 0.22 0.69 0.02 98.48 23:10:02 1 0.52 0.00 0.24 0.17 0.03 99.04 23:10:02 2 0.67 0.00 0.18 0.12 0.03 99.01 23:10:02 3 0.72 0.00 0.19 0.22 0.04 98.83 23:20:02 all 0.22 0.00 0.03 0.02 0.02 99.71 23:20:02 0 0.01 0.00 0.03 0.02 0.01 99.94 23:20:02 1 0.04 0.00 0.02 0.00 0.02 99.92 23:20:02 2 0.02 0.00 0.04 0.07 0.01 99.86 23:20:02 3 0.81 0.00 0.03 0.00 0.02 99.13 23:30:02 all 0.03 0.00 0.02 0.01 0.02 99.92 23:30:02 0 0.02 0.00 0.03 0.00 0.01 99.94 23:30:02 1 0.03 0.00 0.02 0.00 0.01 99.94 23:30:02 2 0.02 0.00 0.02 0.00 0.01 99.94 23:30:02 3 0.07 0.00 0.03 0.02 0.03 99.86 23:40:00 all 10.98 0.00 0.61 0.30 0.03 88.07 23:40:00 0 10.84 0.00 0.63 0.15 0.03 88.35 23:40:00 1 10.74 0.00 0.53 0.07 0.04 88.62 23:40:00 2 10.22 0.00 0.58 0.44 0.04 88.72 23:40:00 3 12.12 0.00 0.72 0.52 0.04 86.60 Average: all 2.95 0.00 0.22 0.16 0.02 96.65 Average: 0 2.86 0.00 0.23 0.21 0.02 96.69 Average: 1 2.82 0.00 0.20 0.06 0.02 96.89 Average: 2 2.72 0.00 0.20 0.16 0.02 96.89 Average: 3 3.41 0.00 0.24 0.19 0.03 96.12