---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3814 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: 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 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 657 10451 4 4879 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:11:3b:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.34/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84359sec preferred_lft 84359sec inet6 fe80::f816:3eff:fe11:3b98/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:9b:59:34:b3:1e 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-3814) 08/09/26 _x86_64_ (4 CPU) 16:36:37 LINUX RESTART (4 CPU) 16:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:50:10 20.57 1.88 5.50 13.18 121.98 1523.50 236833.82 17:00:01 11.06 0.47 9.49 1.10 18.74 2252.83 2763.55 17:10:01 35.56 0.63 30.36 4.57 25.52 3918.38 6234.72 Average: 22.44 1.00 15.10 6.34 55.91 2561.28 83062.78 16:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:50:10 11505120 14529020 1434388 8.76 118632 3060932 1870724 10.74 484544 4042112 42352 17:00:01 9871164 13525892 2431328 14.85 148340 3599040 2691876 15.45 648728 5437092 20420 17:10:01 10741272 15384324 565328 3.45 175248 4496236 1116832 6.41 915088 4209224 14528 Average: 10705852 14479745 1477015 9.02 147407 3718736 1893144 10.87 682787 4562809 25767 16:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:50:10 lo 0.31 0.31 0.03 0.03 0.00 0.00 0.00 0.00 16:50:10 ens3 68.52 53.89 686.52 9.11 0.00 0.00 0.00 0.00 16:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 17:00:01 ens3 67.67 56.25 94.63 17.84 0.00 0.00 0.00 0.00 17:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:01 lo 1690.03 1690.03 1597.25 1597.25 0.00 0.00 0.00 0.00 17:10:01 ens3 129.59 115.89 448.84 191.94 0.00 0.00 0.00 0.00 17:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 563.77 563.77 532.34 532.34 0.00 0.00 0.00 0.00 Average: ens3 88.59 75.33 412.80 72.90 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-3814) 08/09/26 _x86_64_ (4 CPU) 16:36:37 LINUX RESTART (4 CPU) 16:40:01 CPU %user %nice %system %iowait %steal %idle 16:50:10 all 15.15 0.00 0.58 0.04 0.04 84.19 16:50:10 0 14.18 0.00 0.56 0.03 0.03 85.19 16:50:10 1 14.97 0.00 0.56 0.02 0.04 84.41 16:50:10 2 15.28 0.00 0.45 0.04 0.04 84.20 16:50:10 3 16.18 0.00 0.76 0.07 0.04 82.95 17:00:01 all 72.30 0.00 2.39 0.02 0.12 25.17 17:00:01 0 71.30 0.00 2.43 0.02 0.12 26.13 17:00:01 1 74.00 0.00 2.54 0.02 0.12 23.32 17:00:01 2 71.53 0.00 2.22 0.03 0.12 26.10 17:00:01 3 72.36 0.00 2.37 0.02 0.12 25.14 17:10:01 all 50.12 0.00 2.43 0.08 0.10 47.26 17:10:01 0 48.28 0.00 2.74 0.12 0.10 48.76 17:10:01 1 47.83 0.00 2.11 0.05 0.10 49.92 17:10:01 2 50.34 0.00 2.68 0.07 0.10 46.81 17:10:01 3 54.04 0.00 2.19 0.09 0.10 43.58 Average: all 45.58 0.00 1.79 0.05 0.08 52.50 Average: 0 44.34 0.00 1.90 0.06 0.08 53.61 Average: 1 45.30 0.00 1.73 0.03 0.08 52.86 Average: 2 45.41 0.00 1.77 0.05 0.08 52.69 Average: 3 47.26 0.00 1.77 0.06 0.09 50.83