---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-442052 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 733 9540 4 5715 14913 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:00:0d:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84031sec preferred_lft 84031sec inet6 fe80::f816:3eff:fe00:d9b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:57:49:60:ca:8c 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-442052) 03/11/26 _x86_64_ (4 CPU) 10:56:52 LINUX RESTART (4 CPU) 11:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:18 29.38 2.32 13.14 13.92 136.64 3706.47 234869.23 11:20:04 61.32 0.34 46.94 14.04 10.08 4357.92 26536.91 11:30:01 41.63 0.23 33.89 7.50 10.77 5204.14 13594.23 Average: 43.85 0.98 31.03 11.83 53.68 4415.09 93646.37 11:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:18 10175688 13656988 2300012 14.05 158424 3430864 2584272 14.83 626352 5165192 98656 11:20:04 9106080 13386636 2563168 15.65 201128 4117724 2762408 15.86 819120 5952744 9988 11:30:01 9890520 15376172 569124 3.48 238000 5218612 1114060 6.39 1209888 4702500 232 Average: 9724096 14139932 1810768 11.06 199184 4255733 2153580 12.36 885120 5273479 36292 11:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:18 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 11:10:18 ens3 106.59 82.36 595.60 22.31 0.00 0.00 0.00 0.00 11:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:04 lo 4940.45 4940.45 4711.69 4711.69 0.00 0.00 0.00 0.00 11:20:04 ens3 107.57 69.79 330.98 21.66 0.00 0.00 0.00 0.00 11:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 3351.33 3351.33 3191.59 3191.59 0.00 0.00 0.00 0.00 11:30:01 ens3 82.62 67.33 104.21 56.43 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2721.10 2721.10 2593.22 2593.22 0.00 0.00 0.00 0.00 Average: ens3 98.96 73.29 346.52 33.40 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-442052) 03/11/26 _x86_64_ (4 CPU) 10:56:52 LINUX RESTART (4 CPU) 11:00:01 CPU %user %nice %system %iowait %steal %idle 11:10:18 all 64.10 0.00 2.30 0.10 0.13 33.37 11:10:18 0 61.31 0.00 2.21 0.15 0.13 36.21 11:10:18 1 66.15 0.00 2.30 0.05 0.13 31.37 11:10:18 2 63.97 0.00 2.43 0.08 0.13 33.38 11:10:18 3 64.99 0.00 2.28 0.10 0.14 32.50 11:20:04 all 60.09 0.00 3.93 1.20 0.13 34.65 11:20:04 0 60.58 0.00 3.84 0.72 0.13 34.74 11:20:04 1 59.86 0.00 4.21 1.56 0.14 34.23 11:20:04 2 59.92 0.00 3.82 1.01 0.13 35.12 11:20:04 3 60.00 0.00 3.84 1.50 0.14 34.52 11:30:01 all 56.98 0.00 3.46 0.38 0.12 39.06 11:30:01 0 55.88 0.00 3.33 0.16 0.12 40.51 11:30:01 1 54.30 0.00 3.17 0.56 0.12 41.84 11:30:01 2 58.91 0.00 3.43 0.56 0.14 36.96 11:30:01 3 58.82 0.00 3.92 0.21 0.12 36.92 Average: all 60.43 0.00 3.22 0.55 0.13 35.67 Average: 0 59.27 0.00 3.11 0.34 0.13 37.15 Average: 1 60.18 0.00 3.21 0.71 0.13 35.77 Average: 2 60.97 0.00 3.21 0.54 0.13 35.13 Average: 3 61.32 0.00 3.33 0.59 0.13 34.62