---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53603 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 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 757 9504 4 5726 14888 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:a2:1a:de brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83722sec preferred_lft 83722sec inet6 fe80::f816:3eff:fea2:1ade/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:da:95:1d:49:9a 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-53603) 03/27/26 _x86_64_ (4 CPU) 20:24:27 LINUX RESTART (4 CPU) 20:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:06 12.46 2.31 9.40 0.74 136.23 2729.68 2284.43 20:50:07 49.59 0.33 40.99 8.27 9.88 4642.72 29956.53 21:00:05 45.02 0.01 36.57 8.45 0.37 3178.81 14677.58 Average: 35.70 0.88 28.99 5.82 48.82 3518.49 15655.10 20:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:06 10577992 13751252 2209672 13.50 141772 3166624 2475948 14.21 546844 4867916 47672 20:50:07 8946608 13280292 2670676 16.31 202512 4166720 3094904 17.76 805620 6145944 109984 21:00:05 7698412 13184840 2759156 16.85 242764 5210840 2883796 16.55 1200384 6910668 692772 Average: 9074337 13405461 2546501 15.55 195683 4181395 2818216 16.18 850949 5974843 283476 20:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:06 lo 1.03 1.03 0.11 0.11 0.00 0.00 0.00 0.00 20:40:06 ens3 93.73 75.81 542.47 18.95 0.00 0.00 0.00 0.00 20:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:07 lo 3756.96 3756.96 3582.84 3582.84 0.00 0.00 0.00 0.00 20:50:07 ens3 101.87 75.19 322.15 21.86 0.00 0.00 0.00 0.00 20:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:05 lo 4428.59 4428.59 4222.16 4222.16 0.00 0.00 0.00 0.00 21:00:05 ens3 91.71 67.39 103.19 22.07 0.00 0.00 0.00 0.00 21:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2728.70 2728.70 2601.55 2601.55 0.00 0.00 0.00 0.00 Average: ens3 95.78 72.80 322.76 20.96 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-53603) 03/27/26 _x86_64_ (4 CPU) 20:24:27 LINUX RESTART (4 CPU) 20:30:07 CPU %user %nice %system %iowait %steal %idle 20:40:06 all 47.29 0.00 1.60 0.05 0.06 50.99 20:40:06 0 46.18 0.00 1.34 0.02 0.06 52.40 20:40:06 1 48.07 0.00 1.60 0.08 0.06 50.19 20:40:06 2 46.85 0.00 1.69 0.05 0.07 51.34 20:40:06 3 48.06 0.00 1.77 0.05 0.06 50.05 20:50:07 all 64.77 0.00 3.66 0.08 0.08 31.41 20:50:07 0 63.50 0.00 3.29 0.07 0.08 33.06 20:50:07 1 64.75 0.00 4.04 0.07 0.08 31.06 20:50:07 2 65.36 0.00 3.77 0.11 0.08 30.68 20:50:07 3 65.46 0.00 3.54 0.08 0.08 30.85 21:00:05 all 62.65 0.00 3.87 0.08 0.08 33.32 21:00:05 0 60.81 0.00 3.42 0.05 0.08 35.64 21:00:05 1 63.97 0.00 3.67 0.06 0.08 32.22 21:00:05 2 63.04 0.00 3.76 0.14 0.08 32.98 21:00:05 3 62.79 0.00 4.63 0.06 0.08 32.44 Average: all 58.23 0.00 3.04 0.07 0.07 38.58 Average: 0 56.83 0.00 2.68 0.05 0.07 40.37 Average: 1 58.93 0.00 3.10 0.07 0.08 37.83 Average: 2 58.41 0.00 3.07 0.10 0.08 38.34 Average: 3 58.77 0.00 3.31 0.06 0.07 37.78