---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66495 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 756 9275 4 5957 14890 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:bf:4f:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83906sec preferred_lft 83906sec inet6 fe80::f816:3eff:febf:4f7c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:46:ec:e0:b0:20 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-66495) 04/04/26 _x86_64_ (4 CPU) 20:24:25 LINUX RESTART (4 CPU) 20:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:14 27.50 0.43 22.80 4.27 13.75 4441.52 5881.27 20:50:15 58.29 0.00 43.81 14.49 0.00 2721.80 34513.08 21:00:05 23.99 0.30 19.67 4.02 11.91 4349.06 5716.32 Average: 36.63 0.24 28.79 7.60 8.55 3836.83 15389.01 20:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:14 9126608 13429676 2521320 15.40 192404 4161956 2725916 15.65 844128 5921264 12808 20:50:15 8260212 13031596 2915456 17.81 219804 4564284 3119068 17.90 947480 6651384 121776 21:00:05 9598972 15333220 610812 3.73 248264 5449484 1130176 6.49 1297416 4884084 256 Average: 8995264 13931497 2015863 12.31 220157 4725241 2325053 13.35 1029675 5818911 44947 20:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:14 lo 1162.98 1162.98 1108.58 1108.58 0.00 0.00 0.00 0.00 20:40:14 ens3 88.58 64.64 316.89 18.70 0.00 0.00 0.00 0.00 20:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:15 lo 5738.45 5738.45 5472.86 5472.86 0.00 0.00 0.00 0.00 20:50:15 ens3 85.41 62.20 28.24 21.43 0.00 0.00 0.00 0.00 20:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:05 lo 1613.91 1613.91 1530.56 1530.56 0.00 0.00 0.00 0.00 21:00:05 ens3 82.81 75.15 106.55 117.59 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 2839.14 2839.14 2704.70 2704.70 0.00 0.00 0.00 0.00 Average: ens3 85.62 67.28 151.40 52.10 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-66495) 04/04/26 _x86_64_ (4 CPU) 20:24:25 LINUX RESTART (4 CPU) 20:30:07 CPU %user %nice %system %iowait %steal %idle 20:40:14 all 63.39 0.00 2.61 0.08 0.08 33.83 20:40:14 0 63.90 0.00 2.78 0.06 0.08 33.18 20:40:14 1 63.85 0.00 2.63 0.11 0.08 33.34 20:40:14 2 64.96 0.00 2.68 0.06 0.08 32.22 20:40:14 3 60.87 0.00 2.35 0.10 0.08 36.60 20:50:15 all 61.83 0.00 4.21 0.12 0.08 33.76 20:50:15 0 59.69 0.00 4.13 0.08 0.08 36.03 20:50:15 1 61.80 0.00 4.01 0.21 0.08 33.91 20:50:15 2 64.17 0.00 5.02 0.09 0.08 30.64 20:50:15 3 61.66 0.00 3.70 0.09 0.08 34.47 21:00:05 all 36.38 0.00 1.99 0.16 0.06 61.41 21:00:05 0 34.98 0.00 2.04 0.04 0.07 62.88 21:00:05 1 35.89 0.00 1.88 0.34 0.06 61.83 21:00:05 2 39.95 0.00 2.27 0.16 0.07 57.55 21:00:05 3 34.71 0.00 1.77 0.10 0.06 63.36 Average: all 53.99 0.00 2.94 0.12 0.07 42.87 Average: 0 52.99 0.00 2.98 0.06 0.07 43.90 Average: 1 53.97 0.00 2.84 0.22 0.07 42.90 Average: 2 56.48 0.00 3.33 0.10 0.08 40.02 Average: 3 52.55 0.00 2.61 0.10 0.07 44.67