---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3159 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: 5600.00 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 67G 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 695 10424 4 4869 14951 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:18:60:6d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.51/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83911sec preferred_lft 83911sec inet6 fe80::f816:3eff:fe18:606d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:6f:cb:1c:80:9a 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-3159) 08/07/26 _x86_64_ (4 CPU) 09:58:25 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:15 8.47 0.89 7.33 0.25 36.91 1492.75 141.94 10:20:15 11.17 1.88 8.67 0.61 122.78 2533.49 1954.73 10:30:01 18.84 0.84 16.28 1.72 30.33 3073.23 3150.60 Average: 12.74 1.21 10.69 0.85 63.42 2354.33 1725.88 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:15 12993080 15490816 483880 2.96 99116 2587448 997596 5.73 340160 2702640 72 10:20:15 10759132 14055836 1905188 11.64 130052 3293636 2514376 14.43 541656 4704000 24252 10:30:01 9189968 13404372 2548668 15.57 165456 4100072 3005928 17.25 757616 5962472 78284 Average: 10980727 14317008 1645912 10.05 131541 3327052 2172633 12.47 546477 4456371 34203 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:15 lo 0.22 0.22 0.02 0.02 0.00 0.00 0.00 0.00 10:10:15 ens3 30.70 24.76 310.83 3.73 0.00 0.00 0.00 0.00 10:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:15 lo 0.86 0.86 0.08 0.08 0.00 0.00 0.00 0.00 10:20:15 ens3 90.94 73.07 670.69 15.35 0.00 0.00 0.00 0.00 10:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 591.31 591.31 562.50 562.50 0.00 0.00 0.00 0.00 10:30:01 ens3 75.38 56.69 335.99 15.70 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 192.80 192.80 183.10 183.10 0.00 0.00 0.00 0.00 Average: ens3 65.34 51.27 439.07 11.50 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-3159) 08/07/26 _x86_64_ (4 CPU) 09:58:25 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:15 all 1.10 0.00 0.16 0.05 0.02 98.67 10:10:15 0 0.57 0.00 0.12 0.03 0.02 99.26 10:10:15 1 3.15 0.00 0.32 0.03 0.02 96.49 10:10:15 2 0.33 0.00 0.14 0.15 0.02 99.37 10:10:15 3 0.34 0.00 0.07 0.01 0.01 99.57 10:20:15 all 48.12 0.00 1.65 0.05 0.12 50.05 10:20:15 0 46.63 0.00 1.51 0.06 0.12 51.67 10:20:15 1 49.82 0.00 1.68 0.04 0.13 48.32 10:20:15 2 48.41 0.00 1.75 0.06 0.13 49.66 10:20:15 3 47.64 0.00 1.67 0.04 0.12 50.53 10:30:01 all 70.24 0.00 2.55 0.12 0.16 26.93 10:30:01 0 70.93 0.00 2.76 0.23 0.17 25.91 10:30:01 1 69.10 0.00 2.63 0.05 0.16 28.05 10:30:01 2 70.00 0.00 2.44 0.08 0.16 27.32 10:30:01 3 70.92 0.00 2.37 0.12 0.16 26.42 Average: all 39.26 0.00 1.44 0.07 0.10 59.13 Average: 0 38.80 0.00 1.44 0.11 0.10 59.55 Average: 1 40.17 0.00 1.53 0.04 0.10 58.16 Average: 2 39.03 0.00 1.42 0.09 0.10 59.36 Average: 3 39.06 0.00 1.35 0.05 0.10 59.44