---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11052 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 12G 66G 15% / 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 688 9209 4 6091 14958 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:16:1d:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.253/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83683sec preferred_lft 83683sec inet6 fe80::f816:3eff:fe16:1dea/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:55:64:a0:2d:25 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-11052) 05/05/26 _x86_64_ (4 CPU) 07:48:19 LINUX RESTART (4 CPU) 07:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:08 16.60 0.42 3.36 12.82 398.64 395.57 245690.38 08:10:10 45.22 4.71 38.51 2.00 277.56 5222.77 18774.18 08:20:01 10.99 0.02 9.28 1.69 0.62 700.31 21122.09 08:30:10 36.68 0.18 32.22 4.28 5.69 7918.17 33433.25 Average: 27.46 1.33 20.90 5.23 171.39 3580.04 80198.88 07:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:08 13532896 15510260 505720 3.09 57484 2145032 1157264 6.64 337012 2243980 36 08:10:10 10433356 13957656 2002492 12.23 122644 3533604 2314048 13.28 786728 4777520 15208 08:20:01 9435844 13105172 2852856 17.42 132608 3656148 3053152 17.53 820292 5724012 544 08:30:10 6846696 12741596 3204308 19.57 172872 5730764 3304300 18.97 1704212 7282496 33208 Average: 10062198 13828671 2141344 13.08 121402 3766387 2457191 14.10 912061 5007002 12249 07:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:08 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 08:00:08 ens3 5.98 2.70 127.82 0.25 0.00 0.00 0.00 0.00 08:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:10 lo 0.70 0.70 0.07 0.07 0.00 0.00 0.00 0.00 08:10:10 ens3 105.37 79.61 931.84 16.69 0.00 0.00 0.00 0.00 08:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 lo 53.03 53.03 13.10 13.10 0.00 0.00 0.00 0.00 08:20:01 ens3 8.93 7.18 8.54 2.26 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:10 lo 2100.57 2100.57 2015.63 2015.63 0.00 0.00 0.00 0.00 08:30:10 ens3 69.04 57.79 460.08 14.75 0.00 0.00 0.00 0.00 08:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 544.48 544.48 513.02 513.02 0.00 0.00 0.00 0.00 Average: ens3 47.51 36.97 383.67 8.52 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-11052) 05/05/26 _x86_64_ (4 CPU) 07:48:19 LINUX RESTART (4 CPU) 07:50:01 CPU %user %nice %system %iowait %steal %idle 08:00:08 all 0.38 0.00 0.12 0.10 0.02 99.39 08:00:08 0 0.49 0.00 0.10 0.08 0.02 99.32 08:00:08 1 0.47 0.00 0.15 0.13 0.01 99.24 08:00:08 2 0.24 0.00 0.09 0.15 0.02 99.50 08:00:08 3 0.31 0.00 0.14 0.05 0.01 99.49 08:10:10 all 28.49 0.00 1.30 0.57 0.08 69.55 08:10:10 0 28.89 0.00 1.29 0.47 0.08 69.28 08:10:10 1 30.05 0.00 1.54 1.02 0.08 67.30 08:10:10 2 26.39 0.00 1.11 0.41 0.08 72.02 08:10:10 3 28.66 0.00 1.25 0.40 0.08 69.62 08:20:01 all 18.45 0.00 0.80 0.08 0.09 80.58 08:20:01 0 18.28 0.00 0.86 0.11 0.09 80.66 08:20:01 1 17.52 0.00 0.86 0.04 0.09 81.50 08:20:01 2 19.11 0.00 0.75 0.15 0.09 79.89 08:20:01 3 18.88 0.00 0.72 0.03 0.09 80.27 08:30:10 all 51.11 0.00 2.51 0.17 0.10 46.11 08:30:10 0 51.28 0.00 2.79 0.06 0.10 45.77 08:30:10 1 49.84 0.00 2.25 0.18 0.10 47.63 08:30:10 2 52.16 0.00 2.28 0.26 0.11 45.19 08:30:10 3 51.16 0.00 2.73 0.18 0.10 45.83 Average: all 24.64 0.00 1.18 0.23 0.07 73.87 Average: 0 24.78 0.00 1.26 0.18 0.07 73.71 Average: 1 24.51 0.00 1.20 0.34 0.07 73.88 Average: 2 24.50 0.00 1.06 0.25 0.07 74.13 Average: 3 24.79 0.00 1.21 0.17 0.07 73.76