---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-454910 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 719 9553 4 5715 14926 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:26:01:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83971sec preferred_lft 83971sec inet6 fe80::f816:3eff:fe26:196/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:2f:76:dd:73:f3 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-454910) 03/12/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:01 15.50 2.27 12.13 1.10 136.33 3941.89 8420.50 20:50:10 61.11 0.30 49.10 11.71 9.33 3981.96 13330.33 21:00:10 32.74 0.12 27.06 5.57 6.35 4838.42 4510.12 Average: 36.65 0.89 29.59 6.17 50.14 4253.99 8776.78 20:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:01 9811908 13655908 2299540 14.04 174344 3740996 2527368 14.51 686548 5432852 282092 20:50:10 8752240 13200688 2749448 16.79 208208 4266548 2944440 16.90 835212 6291000 133096 21:00:10 9873512 15359300 586424 3.58 242864 5213012 1089836 6.26 1205240 4719372 4 Average: 9479220 14071965 1878471 11.47 208472 4406852 2187215 12.55 909000 5481075 138397 20:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:01 lo 1.39 1.39 0.15 0.15 0.00 0.00 0.00 0.00 20:40:01 ens3 106.34 83.12 421.55 21.92 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:10 lo 5728.04 5728.04 5463.07 5463.07 0.00 0.00 0.00 0.00 20:50:10 ens3 99.65 73.80 263.30 21.35 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 21:00:10 lo 2448.90 2448.90 2325.55 2325.55 0.00 0.00 0.00 0.00 21:00:10 ens3 97.45 86.75 109.13 123.08 0.00 0.00 0.00 0.00 21:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2750.92 2750.92 2619.93 2619.93 0.00 0.00 0.00 0.00 Average: ens3 101.12 81.18 264.05 55.42 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-454910) 03/12/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:08 CPU %user %nice %system %iowait %steal %idle 20:40:01 all 70.02 0.00 2.38 0.05 0.09 27.45 20:40:01 0 70.14 0.00 2.26 0.04 0.09 27.46 20:40:01 1 71.17 0.00 2.51 0.09 0.09 26.13 20:40:01 2 69.68 0.00 2.43 0.04 0.09 27.75 20:40:01 3 69.11 0.00 2.33 0.03 0.10 28.44 20:50:10 all 61.87 0.00 4.24 0.10 0.09 33.70 20:50:10 0 61.67 0.00 4.55 0.14 0.09 33.55 20:50:10 1 62.19 0.00 4.23 0.09 0.09 33.41 20:50:10 2 62.13 0.00 4.54 0.07 0.09 33.17 20:50:10 3 61.49 0.00 3.64 0.09 0.09 34.69 21:00:10 all 48.35 0.00 2.64 0.11 0.07 48.83 21:00:10 0 48.85 0.00 2.63 0.12 0.07 48.33 21:00:10 1 46.31 0.00 3.01 0.04 0.07 50.56 21:00:10 2 47.61 0.00 2.37 0.15 0.07 49.80 21:00:10 3 50.63 0.00 2.54 0.15 0.07 46.60 Average: all 60.05 0.00 3.09 0.09 0.08 36.68 Average: 0 60.18 0.00 3.15 0.10 0.08 36.48 Average: 1 59.84 0.00 3.26 0.08 0.08 36.74 Average: 2 59.79 0.00 3.12 0.09 0.08 36.92 Average: 3 60.38 0.00 2.84 0.09 0.09 36.60