---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39309 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 66G 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 698 9145 4 6145 14948 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:c1:7a:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84283sec preferred_lft 84283sec inet6 fe80::f816:3eff:fec1:7ae1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:57:af:32:a8:a9 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-39309) 08/21/26 _x86_64_ (4 CPU) 02:57:39 LINUX RESTART (4 CPU) 03:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:13 27.07 2.56 21.46 3.05 147.39 4178.94 61617.03 03:20:13 11.22 0.18 9.53 1.52 5.04 968.21 23789.08 03:30:13 32.33 0.27 27.83 4.22 13.59 7889.01 11096.17 Average: 23.55 1.01 19.61 2.93 55.45 4345.19 32203.38 03:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:13 9525136 13119864 2838496 17.34 132008 3581544 3026564 17.37 689028 5763848 556 03:20:13 9091552 13178648 2776300 16.96 152928 4017992 3045780 17.48 795784 6060436 241532 03:30:13 9439020 15374632 571456 3.49 177608 5759876 1118000 6.42 1610484 4778276 280 Average: 9351903 13891048 2062084 12.59 154181 4453137 2396781 13.76 1031765 5534187 80789 03:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:13 lo 16.55 16.55 3.63 3.63 0.00 0.00 0.00 0.00 03:10:13 ens3 78.03 59.96 763.71 11.47 0.00 0.00 0.00 0.00 03:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:13 lo 348.94 348.94 299.13 299.13 0.00 0.00 0.00 0.00 03:20:13 ens3 29.62 20.62 239.20 4.12 0.00 0.00 0.00 0.00 03:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:13 lo 2063.62 2063.62 1990.38 1990.38 0.00 0.00 0.00 0.00 03:30:13 ens3 67.93 65.70 274.83 356.28 0.00 0.00 0.00 0.00 03:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 808.74 808.74 763.45 763.45 0.00 0.00 0.00 0.00 Average: ens3 58.55 48.77 426.32 123.82 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-39309) 08/21/26 _x86_64_ (4 CPU) 02:57:39 LINUX RESTART (4 CPU) 03:00:11 CPU %user %nice %system %iowait %steal %idle 03:10:13 all 37.55 0.00 1.67 0.16 0.17 60.44 03:10:13 0 36.30 0.00 1.68 0.26 0.25 61.51 03:10:13 1 37.25 0.00 1.70 0.19 0.18 60.69 03:10:13 2 37.89 0.00 1.46 0.12 0.13 60.41 03:10:13 3 38.77 0.00 1.87 0.09 0.14 59.14 03:20:13 all 22.67 0.00 1.19 0.05 0.12 75.97 03:20:13 0 22.00 0.00 1.28 0.03 0.12 76.57 03:20:13 1 22.49 0.00 1.11 0.03 0.12 76.25 03:20:13 2 23.65 0.00 1.23 0.10 0.12 74.90 03:20:13 3 22.55 0.00 1.15 0.04 0.11 76.15 03:30:13 all 49.48 0.00 2.74 0.23 0.14 47.40 03:30:13 0 53.30 0.00 3.03 0.27 0.14 43.25 03:30:13 1 49.08 0.00 2.42 0.17 0.14 48.19 03:30:13 2 46.49 0.00 2.42 0.20 0.16 50.73 03:30:13 3 49.06 0.00 3.09 0.30 0.12 47.43 Average: all 36.57 0.00 1.87 0.15 0.14 61.26 Average: 0 37.20 0.00 1.99 0.19 0.17 60.45 Average: 1 36.28 0.00 1.74 0.13 0.15 61.70 Average: 2 36.02 0.00 1.70 0.14 0.13 62.01 Average: 3 36.80 0.00 2.04 0.14 0.13 60.89