---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1290 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 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 11G 67G 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 678 10354 4 4956 14968 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:ad:29:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84069sec preferred_lft 84069sec inet6 fe80::f816:3eff:fead:2903/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:12:d7:f5:8e:a7 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1290) 08/01/26 _x86_64_ (4 CPU) 22:52:45 LINUX RESTART (4 CPU) 23:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:10:04 8.22 1.93 6.08 0.22 124.08 1605.20 673.32 23:20:01 11.45 0.47 9.86 1.12 17.75 2266.52 2408.65 23:30:04 28.20 0.56 23.52 4.12 21.94 3655.00 3283.71 Average: 15.98 0.98 13.17 1.83 54.60 2510.95 2123.18 23:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:10:04 10793516 13925528 2036976 12.44 119628 3164156 2488788 14.29 547440 4688496 26388 23:20:01 9546968 13338236 2618080 15.99 150304 3726976 3087444 17.72 717704 5688716 21328 23:30:04 10639172 15355228 594748 3.63 177636 4565736 1117640 6.42 966032 4251492 168 Average: 10326552 14206331 1749935 10.69 149189 3818956 2231291 12.81 743725 4876235 15961 23:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:10:04 lo 0.37 0.37 0.03 0.03 0.00 0.00 0.00 0.00 23:10:04 ens3 62.69 51.66 702.40 8.57 0.00 0.00 0.00 0.00 23:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:01 lo 1.46 1.46 0.14 0.14 0.00 0.00 0.00 0.00 23:20:01 ens3 74.76 56.87 104.32 18.71 0.00 0.00 0.00 0.00 23:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:04 lo 1770.89 1770.89 1676.94 1676.94 0.00 0.00 0.00 0.00 23:30:04 ens3 98.39 89.41 409.36 149.92 0.00 0.00 0.00 0.00 23:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 593.51 593.51 561.51 561.51 0.00 0.00 0.00 0.00 Average: ens3 78.65 66.03 405.81 59.26 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1290) 08/01/26 _x86_64_ (4 CPU) 22:52:45 LINUX RESTART (4 CPU) 23:00:04 CPU %user %nice %system %iowait %steal %idle 23:10:04 all 17.76 0.00 0.60 0.03 0.04 81.57 23:10:04 0 17.94 0.00 0.61 0.06 0.03 81.36 23:10:04 1 18.95 0.00 0.55 0.01 0.04 80.46 23:10:04 2 17.12 0.00 0.54 0.01 0.04 82.29 23:10:04 3 17.04 0.00 0.69 0.06 0.05 82.16 23:20:01 all 72.60 0.00 2.22 0.03 0.09 25.05 23:20:01 0 76.18 0.00 2.26 0.02 0.09 21.44 23:20:01 1 72.78 0.00 2.19 0.04 0.09 24.90 23:20:01 2 72.26 0.00 2.33 0.03 0.09 25.29 23:20:01 3 69.18 0.00 2.10 0.04 0.09 28.58 23:30:04 all 43.40 0.00 1.97 0.08 0.08 54.48 23:30:04 0 38.27 0.00 2.10 0.08 0.08 59.47 23:30:04 1 43.65 0.00 1.66 0.08 0.07 54.54 23:30:04 2 48.76 0.00 2.29 0.10 0.08 48.78 23:30:04 3 42.93 0.00 1.84 0.06 0.08 55.10 Average: all 44.54 0.00 1.60 0.05 0.07 53.75 Average: 0 44.06 0.00 1.66 0.05 0.07 54.16 Average: 1 45.09 0.00 1.47 0.04 0.07 53.33 Average: 2 46.00 0.00 1.72 0.05 0.07 52.16 Average: 3 43.00 0.00 1.54 0.05 0.07 55.33