---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-693 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 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 596 10559 4 4832 15050 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:10:4d:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84460sec preferred_lft 84460sec inet6 fe80::f816:3eff:fe10:4de3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:91:25:e3:7a:41 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-693) 04/07/26 _x86_64_ (4 CPU) 09:08:51 LINUX RESTART (4 CPU) 09:10:32 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:23 57.60 3.95 36.67 16.97 201.32 5860.44 247861.71 09:30:01 23.96 0.02 21.49 2.45 0.24 2130.22 9125.53 09:40:09 15.38 0.03 13.52 1.83 0.67 3447.33 55091.09 Average: 32.22 1.33 23.82 7.07 67.33 3822.41 104318.22 09:10:32 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:23 10071364 13484748 2474296 15.11 134224 3412372 2605544 14.96 659624 5257616 17584 09:30:01 8832740 12757180 3198536 19.54 152496 3866940 3275352 18.80 776600 6347600 136496 09:40:09 10897480 15477624 476440 2.91 158760 4493096 983328 5.64 997488 4014604 1896 Average: 9933861 13906517 2049757 12.52 148493 3924136 2288075 13.13 811237 5206607 51992 09:10:32 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:23 lo 1492.01 1492.01 1415.53 1415.53 0.00 0.00 0.00 0.00 09:20:23 ens3 123.73 93.70 1099.02 15.45 0.00 0.00 0.00 0.00 09:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 lo 1202.86 1202.86 1145.94 1145.94 0.00 0.00 0.00 0.00 09:30:01 ens3 26.43 21.95 43.44 6.75 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:09 lo 2836.50 2836.50 9573.50 9573.50 0.00 0.00 0.00 0.00 09:40:09 ens3 18.38 14.00 13.46 10.26 0.00 0.00 0.00 0.00 09:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1857.80 1857.80 4117.80 4117.80 0.00 0.00 0.00 0.00 Average: ens3 56.07 43.12 384.58 10.85 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-693) 04/07/26 _x86_64_ (4 CPU) 09:08:51 LINUX RESTART (4 CPU) 09:10:32 CPU %user %nice %system %iowait %steal %idle 09:20:23 all 62.74 0.00 2.55 0.30 0.11 34.30 09:20:23 0 61.79 0.00 2.53 0.11 0.11 35.46 09:20:23 1 62.54 0.00 2.49 0.19 0.11 34.67 09:20:23 2 62.83 0.00 2.68 0.21 0.11 34.17 09:20:23 3 63.79 0.00 2.51 0.67 0.12 32.91 09:30:01 all 67.10 0.00 2.27 0.10 0.11 30.41 09:30:01 0 66.42 0.00 2.21 0.08 0.11 31.17 09:30:01 1 68.68 0.00 2.24 0.10 0.11 28.87 09:30:01 2 66.29 0.00 2.24 0.10 0.11 31.26 09:30:01 3 67.03 0.00 2.40 0.13 0.11 30.33 09:40:09 all 45.06 0.00 1.75 0.21 0.11 52.87 09:40:09 0 45.13 0.00 1.55 0.04 0.10 53.18 09:40:09 1 48.90 0.00 1.61 0.04 0.11 49.34 09:40:09 2 42.26 0.00 1.82 0.32 0.12 55.48 09:40:09 3 43.96 0.00 2.04 0.42 0.09 53.49 Average: all 58.11 0.00 2.19 0.20 0.11 39.39 Average: 0 57.60 0.00 2.09 0.08 0.11 40.12 Average: 1 59.86 0.00 2.11 0.11 0.11 37.81 Average: 2 56.92 0.00 2.24 0.21 0.11 40.51 Average: 3 58.06 0.00 2.31 0.41 0.11 39.11