---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25926 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 628 8331 4 7029 15018 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:88:f6:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83733sec preferred_lft 83733sec inet6 fe80::f816:3eff:fe88:f680/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:d5:6e:38:bf:c3 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-25926) 06/08/26 _x86_64_ (4 CPU) 19:01:29 LINUX RESTART (4 CPU) 19:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:02 22.73 0.08 19.92 2.73 6.87 2322.56 4621.79 19:30:01 34.75 0.01 31.15 3.59 0.23 2745.07 11552.56 19:40:02 19.07 0.02 4.87 14.19 0.40 2771.47 284951.95 Average: 25.51 0.04 18.63 6.84 2.50 2613.04 100494.89 19:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:02 9228912 12929384 3028644 18.50 143056 3666004 3096248 17.77 710752 6040976 25720 19:30:01 8076248 12828084 3124912 19.09 169376 4642264 3325092 19.09 1007528 6836928 597500 19:40:02 6881584 12921252 3027472 18.49 175184 5882120 2978120 17.09 1488036 7473092 1169992 Average: 8062248 12892907 3060343 18.69 162539 4730129 3133153 17.98 1068772 6783665 597737 19:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:02 lo 1329.43 1329.43 1260.25 1260.25 0.00 0.00 0.00 0.00 19:20:02 ens3 47.03 39.59 74.33 13.63 0.00 0.00 0.00 0.00 19:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1491.81 1491.81 1421.41 1421.41 0.00 0.00 0.00 0.00 19:30:01 ens3 43.80 34.32 29.60 12.34 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:02 lo 2562.06 2562.06 9281.90 9281.90 0.00 0.00 0.00 0.00 19:40:02 ens3 13.03 11.15 90.94 2.72 0.00 0.00 0.00 0.00 19:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1794.90 1794.90 3991.29 3991.29 0.00 0.00 0.00 0.00 Average: ens3 34.61 28.34 64.98 9.56 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-25926) 06/08/26 _x86_64_ (4 CPU) 19:01:29 LINUX RESTART (4 CPU) 19:10:02 CPU %user %nice %system %iowait %steal %idle 19:20:02 all 66.02 0.00 2.25 0.06 0.10 31.58 19:20:02 0 67.10 0.00 2.30 0.07 0.10 30.45 19:20:02 1 65.77 0.00 2.33 0.04 0.10 31.77 19:20:02 2 67.63 0.00 2.28 0.05 0.10 29.94 19:20:02 3 63.59 0.00 2.08 0.07 0.10 34.16 19:30:01 all 63.38 0.00 2.58 0.18 0.10 33.76 19:30:01 0 64.15 0.00 2.91 0.15 0.10 32.69 19:30:01 1 63.77 0.00 2.35 0.24 0.10 33.54 19:30:01 2 62.34 0.00 2.55 0.13 0.10 34.88 19:30:01 3 63.25 0.00 2.52 0.19 0.10 33.94 19:40:02 all 28.71 0.00 1.09 5.71 0.08 64.41 19:40:02 0 26.38 0.00 1.22 8.83 0.08 63.50 19:40:02 1 30.18 0.00 1.45 3.57 0.08 64.72 19:40:02 2 25.71 0.00 0.93 5.42 0.07 67.87 19:40:02 3 32.55 0.00 0.78 5.03 0.08 61.56 Average: all 52.65 0.00 1.97 1.99 0.09 43.29 Average: 0 52.51 0.00 2.14 3.02 0.09 42.24 Average: 1 53.18 0.00 2.04 1.29 0.09 43.40 Average: 2 51.85 0.00 1.92 1.87 0.09 44.27 Average: 3 53.09 0.00 1.79 1.77 0.09 43.26