---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2117 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 13G 65G 17% / 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 679 8257 4 7052 14967 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:d0:03:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.56/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83728sec preferred_lft 83728sec inet6 fe80::f816:3eff:fed0:35e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:ae:88:7b:f3:fb 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-2117) 08/04/26 _x86_64_ (4 CPU) 19:03:37 LINUX RESTART (4 CPU) 19:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 27.46 0.63 23.78 3.05 30.18 3249.50 5360.48 19:30:15 32.50 0.02 29.12 3.37 0.55 2383.43 12427.78 19:40:15 7.34 0.03 6.89 0.43 0.63 2929.95 4288.72 Average: 22.47 0.22 19.97 2.28 10.23 2847.89 7411.21 19:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 9802076 13464364 2494232 15.23 138604 3638236 2795240 16.04 693416 5482312 21556 19:30:15 9219572 13287940 2667156 16.29 159628 3993576 2904696 16.67 806416 5902700 36964 19:40:15 5674248 10494756 5457840 33.33 165968 4711776 5297104 30.41 1021968 9189836 29648 Average: 8231965 12415687 3539743 21.62 154733 4114529 3665680 21.04 840600 6858283 29389 19:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 1571.65 1571.65 1491.64 1491.64 0.00 0.00 0.00 0.00 19:20:01 ens3 56.33 45.08 79.67 14.75 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:15 lo 1630.98 1630.98 1554.35 1554.35 0.00 0.00 0.00 0.00 19:30:15 ens3 35.01 30.15 20.58 10.73 0.00 0.00 0.00 0.00 19:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:15 lo 471.88 471.88 6999.90 6999.90 0.00 0.00 0.00 0.00 19:40:15 ens3 12.67 9.57 8.54 3.59 0.00 0.00 0.00 0.00 19:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1225.28 1225.28 3349.09 3349.09 0.00 0.00 0.00 0.00 Average: ens3 34.51 28.16 35.83 9.66 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-2117) 08/04/26 _x86_64_ (4 CPU) 19:03:37 LINUX RESTART (4 CPU) 19:10:15 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 71.20 0.00 2.70 0.15 0.14 25.80 19:20:01 0 71.44 0.00 2.43 0.12 0.14 25.87 19:20:01 1 70.93 0.00 2.65 0.15 0.14 26.13 19:20:01 2 71.24 0.00 2.81 0.24 0.14 25.58 19:20:01 3 71.20 0.00 2.91 0.10 0.14 25.64 19:30:15 all 62.29 0.00 2.54 0.08 0.12 34.96 19:30:15 0 62.58 0.00 2.15 0.11 0.13 35.03 19:30:15 1 60.90 0.00 2.81 0.13 0.12 36.04 19:30:15 2 61.60 0.00 2.55 0.06 0.12 35.66 19:30:15 3 64.09 0.00 2.65 0.03 0.12 33.11 19:40:15 all 32.70 0.00 1.13 0.30 0.09 65.78 19:40:15 0 28.06 0.00 1.17 0.33 0.09 70.35 19:40:15 1 32.96 0.00 1.52 0.27 0.09 65.15 19:40:15 2 41.45 0.00 0.88 0.14 0.08 57.45 19:40:15 3 28.34 0.00 0.94 0.46 0.08 70.18 Average: all 55.33 0.00 2.12 0.18 0.12 42.26 Average: 0 53.95 0.00 1.92 0.19 0.12 43.83 Average: 1 54.85 0.00 2.33 0.18 0.12 42.52 Average: 2 58.01 0.00 2.08 0.14 0.11 39.65 Average: 3 54.49 0.00 2.17 0.20 0.11 43.03