---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53532 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 13G 66G 16% / 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 660 8677 4 6650 14986 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:bf:2c:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84145sec preferred_lft 84145sec inet6 fe80::f816:3eff:febf:2c92/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:db:b3:4a:a5:b1 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-53532) 03/27/26 _x86_64_ (4 CPU) 12:45:20 LINUX RESTART (4 CPU) 12:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:07 48.09 3.05 27.97 17.07 164.82 4447.90 242712.31 13:10:07 31.71 0.02 28.51 3.18 0.21 2521.10 19602.42 13:20:07 16.18 0.31 14.19 1.67 11.70 8583.13 41818.32 Average: 31.99 1.13 23.56 7.31 58.91 5184.45 101376.35 12:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:07 9755428 13368192 2588772 15.81 145656 3587824 2516956 14.45 719240 5504912 27528 13:10:07 8997936 13024448 2929164 17.89 166112 3947572 2824500 16.21 835976 6091728 29036 13:20:07 8927612 15378976 566800 3.46 188212 6271420 1089044 6.25 1675380 5240964 68 Average: 9226992 13923872 2028245 12.39 166660 4602272 2143500 12.30 1076865 5612535 18877 12:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:07 lo 1544.63 1544.63 1465.64 1465.64 0.00 0.00 0.00 0.00 13:00:07 ens3 124.70 98.01 1023.59 22.45 0.00 0.00 0.00 0.00 13:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:07 lo 1524.61 1524.61 1453.15 1453.15 0.00 0.00 0.00 0.00 13:10:07 ens3 31.01 26.12 44.00 10.05 0.00 0.00 0.00 0.00 13:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:07 lo 336.64 336.64 6924.21 6924.21 0.00 0.00 0.00 0.00 13:20:07 ens3 57.62 61.05 144.28 414.38 0.00 0.00 0.00 0.00 13:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1135.21 1135.21 3281.38 3281.38 0.00 0.00 0.00 0.00 Average: ens3 71.11 61.73 403.95 148.99 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-53532) 03/27/26 _x86_64_ (4 CPU) 12:45:20 LINUX RESTART (4 CPU) 12:50:07 CPU %user %nice %system %iowait %steal %idle 13:00:07 all 68.72 0.00 2.71 0.09 0.10 28.38 13:00:07 0 69.32 0.00 2.40 0.06 0.10 28.12 13:00:07 1 68.75 0.00 3.15 0.08 0.10 27.92 13:00:07 2 69.82 0.00 2.53 0.11 0.10 27.45 13:00:07 3 67.01 0.00 2.77 0.09 0.10 30.02 13:10:07 all 65.12 0.00 2.46 0.15 0.10 32.18 13:10:07 0 64.75 0.00 2.21 0.37 0.10 32.57 13:10:07 1 64.52 0.00 2.70 0.05 0.09 32.64 13:10:07 2 65.85 0.00 2.45 0.09 0.10 31.52 13:10:07 3 65.36 0.00 2.47 0.10 0.10 31.97 13:20:07 all 35.00 0.00 1.26 0.13 0.07 63.54 13:20:07 0 34.92 0.00 1.58 0.12 0.07 63.31 13:20:07 1 27.08 0.00 1.29 0.18 0.07 71.38 13:20:07 2 43.38 0.00 1.15 0.11 0.07 55.29 13:20:07 3 34.62 0.00 1.01 0.10 0.06 64.20 Average: all 56.25 0.00 2.14 0.12 0.09 41.39 Average: 0 56.31 0.00 2.06 0.19 0.09 41.36 Average: 1 53.41 0.00 2.38 0.10 0.09 44.03 Average: 2 59.66 0.00 2.04 0.10 0.09 38.11 Average: 3 55.65 0.00 2.09 0.10 0.09 42.08