---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5651 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: 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 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 747 9184 4 6056 14898 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:29:5f:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83906sec preferred_lft 83906sec inet6 fe80::f816:3eff:fe29:5fdd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:02:e5:09:62:8f 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-5651) 03/18/26 _x86_64_ (4 CPU) 20:24:27 LINUX RESTART (4 CPU) 20:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:04 14.03 2.30 10.71 1.02 136.01 3577.33 5122.63 20:50:10 55.77 0.32 45.17 10.29 9.70 4390.41 9759.47 21:00:04 37.25 0.30 30.13 6.82 11.87 5120.54 7111.81 Average: 35.75 0.97 28.72 6.05 52.52 4360.20 7340.57 20:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:04 9656912 13465372 2490624 15.21 164656 3744628 2812268 16.14 780608 5527480 78468 20:50:10 8650468 13297676 2650404 16.19 207384 4469196 2790148 16.02 979080 6223584 12720 21:00:04 9527660 15363068 580436 3.55 243252 5556612 1114944 6.40 1365904 4917128 164 Average: 9278347 14042039 1907155 11.65 205097 4590145 2239120 12.85 1041864 5556064 30451 20:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:04 lo 1.28 1.28 0.13 0.13 0.00 0.00 0.00 0.00 20:40:04 ens3 99.04 81.40 517.51 21.21 0.00 0.00 0.00 0.00 20:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:10 lo 5173.80 5173.80 4933.86 4933.86 0.00 0.00 0.00 0.00 20:50:10 ens3 93.14 67.90 318.24 20.22 0.00 0.00 0.00 0.00 20:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:04 lo 3102.48 3102.48 2953.09 2953.09 0.00 0.00 0.00 0.00 21:00:04 ens3 83.48 72.13 105.30 75.84 0.00 0.00 0.00 0.00 21:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2766.44 2766.44 2635.96 2635.96 0.00 0.00 0.00 0.00 Average: ens3 91.92 73.80 314.43 38.90 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-5651) 03/18/26 _x86_64_ (4 CPU) 20:24:27 LINUX RESTART (4 CPU) 20:30:04 CPU %user %nice %system %iowait %steal %idle 20:40:04 all 64.98 0.00 2.24 0.05 0.11 32.62 20:40:04 0 65.30 0.00 2.26 0.04 0.11 32.29 20:40:04 1 64.83 0.00 2.40 0.03 0.11 32.63 20:40:04 2 65.15 0.00 2.11 0.08 0.11 32.56 20:40:04 3 64.64 0.00 2.20 0.06 0.11 32.98 20:50:10 all 62.55 0.00 4.07 0.10 0.11 33.17 20:50:10 0 62.22 0.00 4.25 0.08 0.11 33.34 20:50:10 1 63.64 0.00 4.40 0.09 0.10 31.76 20:50:10 2 62.51 0.00 4.01 0.06 0.11 33.30 20:50:10 3 61.84 0.00 3.62 0.15 0.10 34.29 21:00:04 all 54.03 0.00 3.14 0.24 0.17 42.42 21:00:04 0 54.09 0.00 2.87 0.69 0.10 42.25 21:00:04 1 51.85 0.00 3.16 0.06 0.10 44.83 21:00:04 2 54.75 0.00 3.31 0.14 0.20 41.60 21:00:04 3 55.45 0.00 3.21 0.06 0.29 40.99 Average: all 60.55 0.00 3.15 0.13 0.13 36.04 Average: 0 60.57 0.00 3.13 0.27 0.10 35.93 Average: 1 60.14 0.00 3.32 0.06 0.10 36.37 Average: 2 60.83 0.00 3.15 0.09 0.14 35.79 Average: 3 60.67 0.00 3.01 0.09 0.17 36.06