---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3839 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 717 9367 4 5904 14929 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:92:a8:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83483sec preferred_lft 83483sec inet6 fe80::f816:3eff:fe92:a827/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:fc:be:64:2e:49 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-3839) 08/09/26 _x86_64_ (4 CPU) 20:09:45 LINUX RESTART (4 CPU) 20:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:07 12.90 7.16 5.66 0.08 1319.42 4153.40 1185.93 20:30:06 50.50 4.40 44.95 1.16 266.39 4902.18 2040.73 20:40:03 38.37 0.47 31.83 6.07 15.33 4463.26 28394.32 20:50:06 62.51 0.00 39.02 23.49 0.16 3028.39 266508.01 Average: 41.01 3.02 30.29 7.70 403.23 4134.28 74691.50 20:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:07 13766872 15542432 476704 2.91 53464 1948920 1136060 6.52 192368 2172372 232 20:30:06 10286316 13485624 2476444 15.13 132704 3205268 2873440 16.49 522092 5205028 33392 20:40:03 9127340 13430844 2520832 15.40 195612 4150992 2691680 15.45 783156 5983796 40432 20:50:06 8466024 13256188 2690572 16.43 230348 4555776 2826904 16.23 905996 6478424 32664 Average: 10411638 13928772 2041138 12.47 153032 3465239 2382021 13.67 600903 4959905 26680 20:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:07 lo 0.21 0.21 0.02 0.02 0.00 0.00 0.00 0.00 20:20:07 ens3 15.16 10.47 66.90 2.21 0.00 0.00 0.00 0.00 20:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:06 lo 0.96 0.96 0.09 0.09 0.00 0.00 0.00 0.00 20:30:06 ens3 124.96 96.72 848.79 22.07 0.00 0.00 0.00 0.00 20:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:03 lo 2878.13 2878.13 2744.56 2744.56 0.00 0.00 0.00 0.00 20:40:03 ens3 98.18 73.18 332.18 21.07 0.00 0.00 0.00 0.00 20:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:06 lo 5064.07 5064.07 4828.96 4828.96 0.00 0.00 0.00 0.00 20:50:06 ens3 87.33 62.86 23.83 20.50 0.00 0.00 0.00 0.00 20:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1984.34 1984.34 1891.97 1891.97 0.00 0.00 0.00 0.00 Average: ens3 81.15 60.61 316.30 16.41 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-3839) 08/09/26 _x86_64_ (4 CPU) 20:09:45 LINUX RESTART (4 CPU) 20:10:00 CPU %user %nice %system %iowait %steal %idle 20:20:07 all 0.63 0.00 0.18 0.33 0.02 98.84 20:20:07 0 0.34 0.00 0.15 0.26 0.01 99.23 20:20:07 1 1.00 0.00 0.27 0.62 0.02 98.09 20:20:07 2 0.79 0.00 0.17 0.23 0.02 98.78 20:20:07 3 0.38 0.00 0.12 0.21 0.02 99.27 20:30:06 all 40.11 0.00 1.57 0.28 0.07 57.97 20:30:06 0 42.00 0.00 1.86 0.23 0.08 55.84 20:30:06 1 41.46 0.00 1.51 0.34 0.07 56.61 20:30:06 2 38.50 0.00 1.32 0.28 0.07 59.82 20:30:06 3 38.50 0.00 1.58 0.27 0.07 59.58 20:40:03 all 63.84 0.00 3.30 0.11 0.10 32.66 20:40:03 0 61.02 0.00 3.14 0.18 0.10 35.57 20:40:03 1 64.03 0.00 3.43 0.07 0.10 32.37 20:40:03 2 64.43 0.00 3.21 0.06 0.10 32.21 20:40:03 3 65.87 0.00 3.41 0.13 0.10 30.50 20:50:06 all 63.58 0.00 4.06 0.10 0.09 32.16 20:50:06 0 62.73 0.00 4.25 0.07 0.09 32.85 20:50:06 1 62.06 0.00 3.81 0.09 0.09 33.94 20:50:06 2 65.07 0.00 4.17 0.07 0.09 30.59 20:50:06 3 64.47 0.00 4.01 0.16 0.09 31.26 Average: all 41.87 0.00 2.27 0.20 0.07 55.59 Average: 0 41.37 0.00 2.34 0.19 0.07 56.04 Average: 1 41.93 0.00 2.24 0.28 0.07 55.47 Average: 2 42.03 0.00 2.21 0.16 0.07 55.53 Average: 3 42.15 0.00 2.27 0.19 0.07 55.31