---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3551 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 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 681 10434 4 4873 14965 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:6a:c3:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83823sec preferred_lft 83823sec inet6 fe80::f816:3eff:fe6a:c37c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:35:80:83:d1:75 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-3551) 08/08/26 _x86_64_ (4 CPU) 23:02:23 LINUX RESTART (4 CPU) 23:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:20:17 1.76 0.01 1.75 0.00 0.05 38.72 0.13 23:30:18 13.99 1.96 11.07 0.96 129.54 3026.26 2749.51 23:40:01 46.46 0.98 26.41 19.07 34.92 4693.01 255703.28 Average: 20.31 0.97 12.85 6.49 54.64 2544.07 83675.93 23:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:17 12999748 15496884 477796 2.92 99844 2586500 988152 5.67 339836 2706224 144 23:30:18 10450768 13916560 2042576 12.48 140112 3439192 2329396 13.37 578620 4947000 39516 23:40:01 10744340 15374516 576728 3.52 174580 4485068 1096732 6.30 904804 4217912 824 Average: 11398285 14929320 1032367 6.31 138179 3503587 1471427 8.45 607753 3957045 13495 23:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:17 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:20:17 ens3 20.42 16.48 226.63 1.74 0.00 0.00 0.00 0.00 23:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:18 lo 1.28 1.28 0.13 0.13 0.00 0.00 0.00 0.00 23:30:18 ens3 104.21 81.04 605.73 20.27 0.00 0.00 0.00 0.00 23:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:01 lo 1810.11 1810.11 1724.10 1724.10 0.00 0.00 0.00 0.00 23:40:01 ens3 94.24 72.33 467.11 38.70 0.00 0.00 0.00 0.00 23:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 586.29 586.29 558.04 558.04 0.00 0.00 0.00 0.00 Average: ens3 72.33 56.14 431.23 19.90 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-3551) 08/08/26 _x86_64_ (4 CPU) 23:02:23 LINUX RESTART (4 CPU) 23:10:01 CPU %user %nice %system %iowait %steal %idle 23:20:17 all 0.31 0.00 0.06 0.01 0.03 99.60 23:20:17 0 0.51 0.00 0.07 0.04 0.05 99.33 23:20:17 1 0.07 0.00 0.04 0.00 0.03 99.86 23:20:17 2 0.51 0.00 0.08 0.00 0.03 99.38 23:20:17 3 0.14 0.00 0.04 0.00 0.01 99.80 23:30:18 all 66.69 0.00 2.26 0.04 0.08 30.93 23:30:18 0 65.03 0.00 1.98 0.04 0.08 32.88 23:30:18 1 66.24 0.00 2.21 0.07 0.08 31.40 23:30:18 2 67.04 0.00 2.24 0.03 0.08 30.62 23:30:18 3 68.45 0.00 2.61 0.04 0.08 28.83 23:40:01 all 63.79 0.00 2.66 0.09 0.08 33.39 23:40:01 0 60.54 0.00 2.73 0.09 0.08 36.55 23:40:01 1 64.91 0.00 2.88 0.09 0.08 32.03 23:40:01 2 63.30 0.00 2.53 0.07 0.08 34.03 23:40:01 3 66.43 0.00 2.47 0.09 0.08 30.93 Average: all 43.02 0.00 1.63 0.05 0.06 55.24 Average: 0 41.50 0.00 1.57 0.06 0.07 56.80 Average: 1 43.14 0.00 1.68 0.06 0.06 55.06 Average: 2 43.04 0.00 1.59 0.03 0.06 55.28 Average: 3 44.40 0.00 1.68 0.04 0.06 53.82