---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66446 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 646 8782 4 6560 15000 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:8c:eb:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.215/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83902sec preferred_lft 83902sec inet6 fe80::f816:3eff:fe8c:eb51/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:44:1b:b3:09:7f 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-66446) 04/04/26 _x86_64_ (4 CPU) 14:31:32 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:07 22.06 0.06 19.34 2.66 6.40 2306.36 6192.55 15:00:01 32.69 0.04 29.36 3.29 0.81 4545.80 18669.63 15:10:07 10.31 0.29 8.82 1.20 11.30 6250.91 1364.97 Average: 21.62 0.13 19.10 2.38 6.20 4365.97 8676.68 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:07 9368004 12965148 2993048 18.28 143624 3567992 2990968 17.17 704212 5907000 2816 15:00:01 7794528 12421444 3531208 21.57 165580 4528908 3387356 19.44 991220 7119952 7260 15:10:07 9005768 15362308 585188 3.57 181584 6186396 1110264 6.37 1637964 5183944 140 Average: 8722767 13582967 2369815 14.47 163596 4761099 2496196 14.33 1111132 6070299 3405 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:07 lo 1300.86 1300.86 1233.52 1233.52 0.00 0.00 0.00 0.00 14:50:07 ens3 51.73 41.41 53.77 13.75 0.00 0.00 0.00 0.00 14:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 1435.29 1435.29 1363.13 1363.13 0.00 0.00 0.00 0.00 15:00:01 ens3 48.26 38.45 51.10 12.99 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:07 lo 2437.36 2437.36 9199.05 9199.05 0.00 0.00 0.00 0.00 15:10:07 ens3 49.12 53.22 134.92 407.51 0.00 0.00 0.00 0.00 15:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1726.28 1726.28 3947.99 3947.99 0.00 0.00 0.00 0.00 Average: ens3 49.71 44.40 80.11 145.58 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-66446) 04/04/26 _x86_64_ (4 CPU) 14:31:32 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:07 all 67.71 0.00 2.23 0.04 0.08 29.94 14:50:07 0 65.62 0.00 2.20 0.06 0.08 32.04 14:50:07 1 67.99 0.00 2.32 0.03 0.08 29.58 14:50:07 2 68.53 0.00 2.10 0.04 0.08 29.25 14:50:07 3 68.70 0.00 2.30 0.04 0.07 28.89 15:00:01 all 61.63 0.00 2.46 0.10 0.08 35.74 15:00:01 0 60.59 0.00 2.65 0.14 0.08 36.53 15:00:01 1 60.91 0.00 2.41 0.07 0.08 36.53 15:00:01 2 61.62 0.00 2.15 0.04 0.07 36.11 15:00:01 3 63.41 0.00 2.62 0.13 0.08 33.76 15:10:07 all 28.92 0.00 1.08 0.11 0.06 69.83 15:10:07 0 24.39 0.00 0.94 0.20 0.06 74.39 15:10:07 1 29.53 0.00 1.04 0.06 0.06 69.31 15:10:07 2 28.81 0.00 1.31 0.14 0.06 69.69 15:10:07 3 32.97 0.00 1.02 0.03 0.06 65.92 Average: all 52.67 0.00 1.92 0.08 0.07 45.26 Average: 0 50.10 0.00 1.93 0.14 0.07 47.76 Average: 1 52.72 0.00 1.92 0.05 0.07 45.23 Average: 2 52.91 0.00 1.85 0.08 0.07 45.10 Average: 3 54.95 0.00 1.98 0.06 0.07 42.93