---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3542 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: 5599.99 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 728 10181 4 5079 14918 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:59:06:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83668sec preferred_lft 83668sec inet6 fe80::f816:3eff:fe59:629/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:b9:9a:1a:d8:45 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-3542) 08/08/26 _x86_64_ (4 CPU) 22:14:34 LINUX RESTART (4 CPU) 22:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:30:04 2.25 0.01 2.23 0.01 0.04 47.44 417.57 22:40:01 10.21 1.88 7.90 0.43 123.82 2192.48 1341.19 22:50:04 17.34 0.83 14.84 1.67 29.27 3281.93 2724.04 23:00:04 22.41 0.26 17.77 4.38 14.57 2232.42 2406.39 Average: 13.06 0.74 10.70 1.62 41.80 1940.05 1724.18 22:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:30:04 12778068 15488044 482044 2.94 104240 2791728 996736 5.72 361136 2899696 252 22:40:01 10737452 14150676 1809428 11.05 129976 3416204 2182484 12.53 541768 4715236 26768 22:50:04 8721744 13165492 2785820 17.01 170428 4317564 3124336 17.93 783296 6402772 96268 23:00:04 10426552 15277384 671564 4.10 181900 4688232 1187632 6.82 962788 4466424 10164 Average: 10665954 14520399 1437214 8.78 146636 3803432 1872797 10.75 662247 4621032 33363 22:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:30:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 22:30:04 ens3 17.76 14.46 201.48 1.59 0.00 0.00 0.00 0.00 22:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:01 lo 0.62 0.62 0.06 0.06 0.00 0.00 0.00 0.00 22:40:01 ens3 80.85 64.73 695.35 12.19 0.00 0.00 0.00 0.00 22:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:04 lo 487.84 487.84 463.97 463.97 0.00 0.00 0.00 0.00 22:50:04 ens3 88.73 67.12 330.85 19.43 0.00 0.00 0.00 0.00 22:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:04 lo 1304.09 1304.09 1229.95 1229.95 0.00 0.00 0.00 0.00 23:00:04 ens3 92.44 89.04 163.00 186.61 0.00 0.00 0.00 0.00 23:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 448.83 448.83 424.13 424.13 0.00 0.00 0.00 0.00 Average: ens3 69.96 58.84 347.17 54.96 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-3542) 08/08/26 _x86_64_ (4 CPU) 22:14:34 LINUX RESTART (4 CPU) 22:20:04 CPU %user %nice %system %iowait %steal %idle 22:30:04 all 0.26 0.00 0.05 0.01 0.02 99.66 22:30:04 0 0.01 0.00 0.03 0.02 0.01 99.94 22:30:04 1 0.25 0.00 0.02 0.01 0.03 99.70 22:30:04 2 0.55 0.00 0.11 0.01 0.03 99.31 22:30:04 3 0.23 0.00 0.04 0.01 0.03 99.69 22:40:01 all 31.83 0.00 1.05 0.03 0.06 67.04 22:40:01 0 32.31 0.00 1.23 0.04 0.05 66.36 22:40:01 1 31.99 0.00 0.77 0.01 0.05 67.18 22:40:01 2 31.22 0.00 1.05 0.04 0.07 67.63 22:40:01 3 31.79 0.00 1.13 0.04 0.06 66.98 22:50:04 all 70.38 0.00 2.46 0.03 0.09 27.02 22:50:04 0 68.74 0.00 2.33 0.05 0.09 28.80 22:50:04 1 71.00 0.00 2.39 0.03 0.09 26.49 22:50:04 2 71.14 0.00 2.50 0.04 0.09 26.22 22:50:04 3 70.66 0.00 2.64 0.02 0.10 26.58 23:00:04 all 31.23 0.00 1.62 0.07 0.06 67.01 23:00:04 0 30.52 0.00 1.57 0.10 0.06 67.75 23:00:04 1 32.64 0.00 1.83 0.04 0.06 65.43 23:00:04 2 32.55 0.00 1.51 0.04 0.06 65.84 23:00:04 3 29.20 0.00 1.60 0.11 0.06 69.03 Average: all 33.46 0.00 1.30 0.04 0.06 65.15 Average: 0 32.92 0.00 1.29 0.05 0.05 65.68 Average: 1 34.02 0.00 1.25 0.02 0.06 64.65 Average: 2 33.90 0.00 1.29 0.03 0.06 64.71 Average: 3 33.00 0.00 1.35 0.05 0.06 65.54