---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5683 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 691 8356 4 6941 14955 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:8d:c2:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84570sec preferred_lft 84570sec inet6 fe80::f816:3eff:fe8d:c251/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:6a:4c:3d:86:bf 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-5683) 03/18/26 _x86_64_ (4 CPU) 21:19:47 LINUX RESTART (4 CPU) 21:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:30:02 78.26 12.36 61.90 4.00 2105.72 11511.56 24593.81 21:40:02 25.07 0.02 22.48 2.57 0.44 2188.03 21929.08 21:50:02 22.19 0.10 19.75 2.34 8.33 8989.88 9061.29 Average: 41.89 4.17 34.75 2.97 706.88 7569.09 18536.66 21:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:30:02 8940240 13016608 2939024 17.95 139880 4055144 3137768 18.01 911972 6128188 212308 21:40:02 8128904 12631988 3320892 20.28 161944 4425076 3335548 19.15 1018968 6794008 235584 21:50:02 8613804 15362384 583196 3.56 183668 6575948 1100396 6.32 1852744 5399960 27588 Average: 8560983 13670327 2281037 13.93 161831 5018723 2524571 14.49 1261228 6107385 158493 21:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:30:02 lo 1583.99 1583.99 1503.88 1503.88 0.00 0.00 0.00 0.00 21:30:02 ens3 172.83 124.27 1541.13 22.55 0.00 0.00 0.00 0.00 21:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:02 lo 1206.26 1206.26 1149.29 1149.29 0.00 0.00 0.00 0.00 21:40:02 ens3 21.44 19.48 41.45 6.16 0.00 0.00 0.00 0.00 21:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:02 lo 654.16 654.16 7233.63 7233.63 0.00 0.00 0.00 0.00 21:50:02 ens3 41.13 34.03 106.69 34.90 0.00 0.00 0.00 0.00 21:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1148.76 1148.76 3293.11 3293.11 0.00 0.00 0.00 0.00 Average: ens3 78.60 59.36 564.52 21.20 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-5683) 03/18/26 _x86_64_ (4 CPU) 21:19:47 LINUX RESTART (4 CPU) 21:20:00 CPU %user %nice %system %iowait %steal %idle 21:30:02 all 61.59 0.00 3.05 0.69 0.09 34.57 21:30:02 0 60.54 0.00 2.65 1.21 0.09 35.51 21:30:02 1 60.69 0.00 3.22 0.38 0.09 35.63 21:30:02 2 62.44 0.00 3.50 0.87 0.09 33.10 21:30:02 3 62.71 0.00 2.84 0.31 0.09 34.05 21:40:02 all 65.87 0.00 2.46 0.06 0.09 31.52 21:40:02 0 65.23 0.00 2.44 0.11 0.10 32.13 21:40:02 1 64.27 0.00 2.34 0.06 0.09 33.24 21:40:02 2 68.29 0.00 2.62 0.03 0.09 28.98 21:40:02 3 65.70 0.00 2.43 0.05 0.09 31.74 21:50:02 all 41.80 0.00 1.65 0.37 0.09 56.09 21:50:02 0 43.44 0.00 1.62 0.29 0.08 54.58 21:50:02 1 46.05 0.00 1.64 0.73 0.09 51.49 21:50:02 2 41.95 0.00 1.68 0.31 0.09 55.97 21:50:02 3 35.76 0.00 1.66 0.16 0.09 62.33 Average: all 56.42 0.00 2.39 0.38 0.09 40.73 Average: 0 56.40 0.00 2.23 0.54 0.09 40.74 Average: 1 57.00 0.00 2.40 0.39 0.09 40.12 Average: 2 57.56 0.00 2.60 0.41 0.09 39.35 Average: 3 54.72 0.00 2.31 0.17 0.09 42.71