---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-458610 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 11G 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 730 9756 4 5502 14916 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:fe:46:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.29/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84064sec preferred_lft 84064sec inet6 fe80::f816:3eff:fefe:4680/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:6d:c0:85:8c:86 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-458610) 03/13/26 _x86_64_ (4 CPU) 06:19:21 LINUX RESTART (4 CPU) 06:20:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:30:10 33.45 2.26 30.59 0.60 134.55 2218.12 618.87 06:40:03 22.20 2.68 18.03 1.49 147.53 4477.18 3938.00 06:50:12 51.45 0.06 34.28 17.12 1.76 4923.37 253298.12 Average: 35.83 1.65 27.71 6.47 93.94 3875.47 87118.69 06:20:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:30:10 13218172 15525124 458976 2.80 90576 2413488 969572 5.57 291480 2551272 60 06:40:03 9862080 13450788 2506660 15.31 151652 3534992 2644020 15.18 701468 5385328 19932 06:50:12 7458656 12477436 3472872 21.21 183148 4856208 3550116 20.38 1013020 7408272 330468 Average: 10179636 13817783 2146169 13.11 141792 3601563 2387903 13.71 668656 5114957 116820 06:20:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:30:10 lo 0.30 0.30 0.04 0.04 0.00 0.00 0.00 0.00 06:30:10 ens3 37.90 26.16 262.32 6.81 0.00 0.00 0.00 0.00 06:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:40:03 lo 553.97 553.97 527.36 527.36 0.00 0.00 0.00 0.00 06:40:03 ens3 104.99 79.93 779.15 17.78 0.00 0.00 0.00 0.00 06:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:12 lo 1558.51 1558.51 1485.60 1485.60 0.00 0.00 0.00 0.00 06:50:12 ens3 66.36 48.52 216.05 13.93 0.00 0.00 0.00 0.00 06:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 709.08 709.08 675.60 675.60 0.00 0.00 0.00 0.00 Average: ens3 69.59 51.40 416.65 12.82 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-458610) 03/13/26 _x86_64_ (4 CPU) 06:19:21 LINUX RESTART (4 CPU) 06:20:10 CPU %user %nice %system %iowait %steal %idle 06:30:10 all 2.48 0.00 0.30 0.30 0.02 96.91 06:30:10 0 2.45 0.00 0.32 0.40 0.02 96.81 06:30:10 1 2.65 0.00 0.30 0.51 0.02 96.52 06:30:10 2 1.89 0.00 0.27 0.09 0.03 97.72 06:30:10 3 2.91 0.00 0.30 0.18 0.03 96.57 06:40:03 all 56.29 0.00 1.85 0.11 0.09 41.67 06:40:03 0 52.56 0.00 1.85 0.13 0.08 45.37 06:40:03 1 58.51 0.00 1.78 0.08 0.08 39.54 06:40:03 2 55.58 0.00 1.82 0.07 0.09 42.45 06:40:03 3 58.49 0.00 1.94 0.16 0.08 39.33 06:50:12 all 58.89 0.00 2.49 0.21 0.09 38.32 06:50:12 0 57.87 0.00 2.28 0.12 0.09 39.63 06:50:12 1 57.36 0.00 2.56 0.15 0.09 39.83 06:50:12 2 57.55 0.00 2.48 0.23 0.09 39.64 06:50:12 3 62.77 0.00 2.62 0.33 0.09 34.18 Average: all 39.19 0.00 1.55 0.21 0.07 58.99 Average: 0 37.62 0.00 1.48 0.22 0.06 60.61 Average: 1 39.48 0.00 1.55 0.25 0.06 58.65 Average: 2 38.32 0.00 1.53 0.13 0.07 59.95 Average: 3 41.33 0.00 1.62 0.22 0.07 56.76