---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26090 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 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 680 8627 4 6681 14966 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:22:f7:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84079sec preferred_lft 84079sec inet6 fe80::f816:3eff:fe22:f7cf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:18:46:a3:69:8e 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-26090) 03/03/26 _x86_64_ (4 CPU) 19:13:45 LINUX RESTART (4 CPU) 19:20:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:30:14 31.32 3.03 25.25 3.04 165.11 4064.74 3850.33 19:40:06 29.31 0.01 26.29 3.01 0.16 2402.22 27133.96 19:50:14 16.88 0.13 14.90 1.84 6.32 8589.21 6679.98 Average: 25.73 1.04 22.07 2.62 56.35 5053.33 12536.26 19:20:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:30:14 9364592 13002860 2955376 18.05 139556 3626244 3044256 17.47 815596 5816040 32576 19:40:06 8950056 13003204 2951560 18.03 165224 3980936 2887508 16.57 932124 6048428 26872 19:50:14 8881148 15362976 583676 3.56 185140 6310292 1120916 6.43 1764800 5195168 12 Average: 9065265 13789680 2163537 13.21 163307 4639157 2350893 13.49 1170840 5686545 19820 19:20:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:30:14 lo 1588.70 1588.70 1508.16 1508.16 0.00 0.00 0.00 0.00 19:30:14 ens3 126.86 101.44 976.67 21.30 0.00 0.00 0.00 0.00 19:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:06 lo 1406.52 1406.52 1340.13 1340.13 0.00 0.00 0.00 0.00 19:40:06 ens3 43.04 33.60 25.66 11.17 0.00 0.00 0.00 0.00 19:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:14 lo 487.34 487.34 6984.97 6984.97 0.00 0.00 0.00 0.00 19:50:14 ens3 63.40 63.13 111.09 451.43 0.00 0.00 0.00 0.00 19:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1153.40 1153.40 3316.60 3316.60 0.00 0.00 0.00 0.00 Average: ens3 77.46 65.90 366.61 164.34 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-26090) 03/03/26 _x86_64_ (4 CPU) 19:13:45 LINUX RESTART (4 CPU) 19:20:28 CPU %user %nice %system %iowait %steal %idle 19:30:14 all 64.30 0.00 2.52 0.27 0.09 32.82 19:30:14 0 62.97 0.00 2.45 0.26 0.09 34.23 19:30:14 1 65.54 0.00 2.50 0.26 0.09 31.61 19:30:14 2 64.21 0.00 2.30 0.39 0.09 33.00 19:30:14 3 64.49 0.00 2.82 0.18 0.09 32.42 19:40:06 all 65.57 0.00 2.39 0.15 0.10 31.79 19:40:06 0 63.22 0.00 2.30 0.16 0.10 34.22 19:40:06 1 66.25 0.00 2.43 0.15 0.10 31.07 19:40:06 2 66.06 0.00 2.36 0.08 0.10 31.41 19:40:06 3 66.75 0.00 2.48 0.21 0.10 30.47 19:50:14 all 38.14 0.00 1.32 0.39 0.08 60.07 19:50:14 0 38.74 0.00 1.19 0.50 0.08 59.48 19:50:14 1 45.90 0.00 1.63 0.21 0.08 52.18 19:50:14 2 33.06 0.00 1.21 0.05 0.07 65.61 19:50:14 3 34.86 0.00 1.25 0.78 0.08 63.02 Average: all 55.81 0.00 2.07 0.27 0.09 41.76 Average: 0 54.80 0.00 1.97 0.31 0.09 42.83 Average: 1 59.09 0.00 2.18 0.21 0.09 38.44 Average: 2 54.21 0.00 1.95 0.17 0.09 43.58 Average: 3 55.15 0.00 2.17 0.39 0.09 42.19