---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37311 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: 5599.94 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 11G 67G 14% / 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 642 10470 4 4877 15004 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:dd:2a:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.77/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84752sec preferred_lft 84752sec inet6 fe80::f816:3eff:fedd:2a77/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:be:f3:af:51:4f 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-37311) 08/13/26 _x86_64_ (4 CPU) 09:54:27 LINUX RESTART (4 CPU) 10:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:13 3.77 0.08 3.50 0.18 7.25 558.81 20.77 10:20:01 18.72 0.53 16.68 1.51 20.31 2389.69 11760.62 Average: 11.17 0.31 10.02 0.84 13.71 1464.95 5831.04 10:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:13 9916584 13047884 2915132 17.80 115700 3170124 3123996 17.93 507056 5602052 9004 10:20:01 10022712 13594052 2364712 14.44 135260 3564416 2532244 14.54 678524 5272716 21172 Average: 9969648 13320968 2639922 16.12 125480 3367270 2828120 16.23 592790 5437384 15088 10:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:13 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 10:10:13 ens3 9.75 8.01 36.92 2.17 0.00 0.00 0.00 0.00 10:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 557.43 557.43 531.25 531.25 0.00 0.00 0.00 0.00 10:20:01 ens3 40.77 29.60 423.52 4.17 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 276.19 276.19 263.12 263.12 0.00 0.00 0.00 0.00 Average: ens3 25.10 18.69 228.26 3.16 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-37311) 08/13/26 _x86_64_ (4 CPU) 09:54:27 LINUX RESTART (4 CPU) 10:00:14 CPU %user %nice %system %iowait %steal %idle 10:10:13 all 48.00 0.00 0.73 0.02 0.08 51.17 10:10:13 0 55.32 0.00 0.81 0.02 0.08 43.77 10:10:13 1 37.96 0.00 0.67 0.02 0.09 61.26 10:10:13 2 56.10 0.00 0.70 0.02 0.08 43.09 10:10:13 3 42.61 0.00 0.75 0.01 0.07 56.57 10:20:01 all 55.69 0.00 1.41 0.06 0.08 42.76 10:20:01 0 48.16 0.00 1.13 0.06 0.08 50.57 10:20:01 1 82.23 0.00 1.72 0.03 0.09 15.93 10:20:01 2 48.82 0.00 1.31 0.07 0.08 49.72 10:20:01 3 43.53 0.00 1.47 0.06 0.09 54.84 Average: all 51.80 0.00 1.07 0.04 0.08 47.01 Average: 0 51.78 0.00 0.97 0.04 0.08 47.13 Average: 1 59.87 0.00 1.19 0.02 0.09 38.83 Average: 2 52.50 0.00 1.01 0.05 0.08 46.37 Average: 3 43.07 0.00 1.11 0.03 0.08 55.71