---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32402 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 659 8300 4 7029 14986 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:b7:90:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83542sec preferred_lft 83542sec inet6 fe80::f816:3eff:feb7:90fa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:08:0c:fa:d7:b6 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-32402) 07/02/26 _x86_64_ (4 CPU) 13:58:12 LINUX RESTART (4 CPU) 14:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:02 26.04 3.87 20.43 1.74 198.41 4601.99 4809.40 14:20:02 20.65 0.04 18.19 2.42 0.92 2141.06 4254.83 14:30:04 30.73 0.01 27.42 3.29 0.24 2381.68 8644.94 14:40:05 22.18 0.02 7.89 14.26 0.43 4467.23 285379.99 Average: 24.90 0.99 18.49 5.43 50.01 3398.35 75796.53 14:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:02 10149440 13475336 2486136 15.18 123484 3346888 2651540 15.22 579164 5283728 28384 14:20:02 9522340 13274408 2682448 16.38 147048 3709136 2756420 15.82 726224 5700544 12844 14:30:04 8100616 12850452 3102164 18.95 168196 4641680 3164364 18.16 1006812 6813244 595844 14:40:05 6761608 13118996 2827536 17.27 183432 6180480 2881160 16.54 1649676 7443024 974928 Average: 8633501 13179798 2774571 16.95 155540 4469546 2863371 16.44 990469 6310135 403000 14:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:02 lo 1161.68 1161.68 1107.35 1107.35 0.00 0.00 0.00 0.00 14:10:02 ens3 112.83 89.12 1072.28 16.02 0.00 0.00 0.00 0.00 14:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:02 lo 1260.32 1260.32 1195.45 1195.45 0.00 0.00 0.00 0.00 14:20:02 ens3 35.16 28.64 21.37 10.04 0.00 0.00 0.00 0.00 14:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:04 lo 1459.52 1459.52 1390.98 1390.98 0.00 0.00 0.00 0.00 14:30:04 ens3 39.48 32.77 25.02 11.76 0.00 0.00 0.00 0.00 14:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:05 lo 2542.99 2542.99 9276.11 9276.11 0.00 0.00 0.00 0.00 14:40:05 ens3 19.96 16.77 92.21 3.82 0.00 0.00 0.00 0.00 14:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1606.31 1606.31 3243.19 3243.19 0.00 0.00 0.00 0.00 Average: ens3 51.86 41.83 302.76 10.41 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-32402) 07/02/26 _x86_64_ (4 CPU) 13:58:12 LINUX RESTART (4 CPU) 14:00:01 CPU %user %nice %system %iowait %steal %idle 14:10:02 all 34.46 0.00 1.64 3.62 0.08 60.20 14:10:02 0 34.55 0.00 1.52 2.93 0.08 60.92 14:10:02 1 36.06 0.00 1.96 4.47 0.08 57.43 14:10:02 2 33.22 0.00 1.58 3.77 0.08 61.34 14:10:02 3 34.01 0.00 1.49 3.30 0.08 61.12 14:20:02 all 64.12 0.00 2.18 1.13 0.13 32.44 14:20:02 0 65.17 0.00 2.38 0.38 0.13 31.94 14:20:02 1 64.42 0.00 2.02 0.81 0.13 32.62 14:20:02 2 62.83 0.00 2.19 1.66 0.14 33.19 14:20:02 3 64.08 0.00 2.14 1.66 0.13 31.99 14:30:04 all 59.61 0.00 2.52 3.17 0.15 34.55 14:30:04 0 57.98 0.00 2.29 5.08 0.15 34.51 14:30:04 1 61.90 0.00 2.67 2.32 0.15 32.96 14:30:04 2 58.84 0.00 2.40 2.34 0.14 36.29 14:30:04 3 59.72 0.00 2.74 2.94 0.15 34.46 14:40:05 all 30.14 0.00 1.24 0.44 0.09 68.09 14:40:05 0 26.18 0.00 1.50 0.50 0.10 71.73 14:40:05 1 36.33 0.00 0.70 0.09 0.10 62.78 14:40:05 2 27.19 0.00 1.37 0.59 0.09 70.76 14:40:05 3 30.89 0.00 1.36 0.59 0.09 67.07 Average: all 47.07 0.00 1.89 2.09 0.11 48.84 Average: 0 45.95 0.00 1.92 2.22 0.11 49.79 Average: 1 49.66 0.00 1.84 1.92 0.11 46.46 Average: 2 45.49 0.00 1.88 2.09 0.11 50.42 Average: 3 47.16 0.00 1.93 2.12 0.11 48.67