---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25200 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 11G 68G 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 657 10513 4 4818 14989 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:a3:cc:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.41/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82910sec preferred_lft 82910sec inet6 fe80::f816:3eff:fea3:ccc5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:ea:65:f8:88:4e 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-25200) 06/05/26 _x86_64_ (4 CPU) 21:58:50 LINUX RESTART (4 CPU) 22:00:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:32 8.68 0.92 7.46 0.31 38.07 1524.94 436.00 22:20:01 15.71 0.01 1.76 13.94 0.21 26.56 254128.71 22:30:32 1.73 0.00 1.73 0.00 0.06 25.78 0.00 22:40:26 13.72 1.94 10.95 0.83 125.46 2721.09 1495.53 22:50:01 31.10 0.81 26.56 3.74 29.14 4375.12 5608.64 Average: 13.89 0.73 9.54 3.61 38.47 1710.33 49999.32 22:00:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:32 13048984 15514688 460648 2.81 97588 2558016 997656 5.73 336976 2649084 88 22:20:01 13047464 15518980 456148 2.79 98636 2562716 998264 5.73 342712 2652644 200 22:30:32 13043068 15515732 459364 2.81 99552 2562852 998312 5.73 343608 2656080 68 22:40:26 10803120 14127000 1833048 11.20 131600 3317856 2111136 12.12 556612 4629884 25312 22:50:01 8548508 13010984 2940400 17.96 167320 4336872 3359376 19.28 863380 6479340 22632 Average: 11698229 14737477 1229922 7.51 118939 3067662 1692949 9.72 488658 3813406 9660 22:00:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:32 lo 0.22 0.22 0.02 0.02 0.00 0.00 0.00 0.00 22:10:32 ens3 13.89 10.90 165.64 1.82 0.00 0.00 0.00 0.00 22:10:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 22:20:01 ens3 3.59 2.94 59.38 0.37 0.00 0.00 0.00 0.00 22:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:32 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 22:30:32 ens3 3.98 3.29 62.11 0.43 0.00 0.00 0.00 0.00 22:30:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:26 lo 1.04 1.04 0.10 0.10 0.00 0.00 0.00 0.00 22:40:26 ens3 85.27 69.56 600.22 18.08 0.00 0.00 0.00 0.00 22:40:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 lo 1653.77 1653.77 1576.57 1576.57 0.00 0.00 0.00 0.00 22:50:01 ens3 89.38 67.16 447.54 20.04 0.00 0.00 0.00 0.00 22:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 320.00 320.00 304.81 304.81 0.00 0.00 0.00 0.00 Average: ens3 38.63 30.33 264.46 8.01 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-25200) 06/05/26 _x86_64_ (4 CPU) 21:58:50 LINUX RESTART (4 CPU) 22:00:23 CPU %user %nice %system %iowait %steal %idle 22:10:32 all 0.93 0.00 0.13 0.05 0.03 98.87 22:10:32 0 2.53 0.00 0.19 0.04 0.02 97.21 22:10:32 1 0.44 0.00 0.14 0.02 0.02 99.36 22:10:32 2 0.22 0.00 0.10 0.08 0.04 99.55 22:10:32 3 0.51 0.00 0.07 0.04 0.03 99.35 22:20:01 all 0.07 0.00 0.04 0.03 0.02 99.85 22:20:01 0 0.14 0.00 0.04 0.01 0.00 99.81 22:20:01 1 0.04 0.00 0.03 0.01 0.02 99.89 22:20:01 2 0.04 0.00 0.04 0.01 0.03 99.89 22:20:01 3 0.04 0.00 0.04 0.07 0.03 99.81 22:30:32 all 0.17 0.00 0.03 0.01 0.02 99.76 22:30:32 0 0.05 0.00 0.03 0.03 0.01 99.88 22:30:32 1 0.47 0.00 0.04 0.00 0.04 99.45 22:30:32 2 0.14 0.00 0.05 0.00 0.03 99.78 22:30:32 3 0.02 0.00 0.02 0.01 0.02 99.93 22:40:26 all 51.78 0.00 1.70 0.04 0.08 46.40 22:40:26 0 49.58 0.00 1.43 0.03 0.08 48.89 22:40:26 1 52.18 0.00 1.59 0.05 0.08 46.10 22:40:26 2 51.78 0.00 1.72 0.04 0.08 46.38 22:40:26 3 53.60 0.00 2.05 0.03 0.08 44.24 22:50:01 all 67.84 0.00 2.66 0.06 0.09 29.35 22:50:01 0 67.18 0.00 2.58 0.08 0.09 30.06 22:50:01 1 69.68 0.00 3.08 0.04 0.09 27.11 22:50:01 2 68.67 0.00 2.85 0.04 0.10 28.34 22:50:01 3 65.81 0.00 2.12 0.09 0.09 31.89 Average: all 23.63 0.00 0.89 0.04 0.05 75.39 Average: 0 23.37 0.00 0.83 0.04 0.04 75.71 Average: 1 24.04 0.00 0.96 0.02 0.05 74.93 Average: 2 23.66 0.00 0.93 0.04 0.05 75.32 Average: 3 23.47 0.00 0.84 0.05 0.05 75.59