---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37749 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 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 700 9912 4 5376 14946 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:02:d6:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.151/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84854sec preferred_lft 84854sec inet6 fe80::f816:3eff:fe02:d671/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:b5:77:43:f9:98 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-37749) 08/15/26 _x86_64_ (4 CPU) 11:08:15 LINUX RESTART (4 CPU) 11:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:05 33.00 3.47 27.45 2.08 176.47 6161.98 10751.47 11:30:04 32.78 0.05 29.50 3.23 1.58 6234.67 14598.14 Average: 32.89 1.76 28.48 2.65 89.17 6198.26 12671.69 11:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:05 9477768 13280076 2676960 16.35 150248 3742208 3115064 17.88 698496 5780228 24932 11:30:04 7657332 12900524 3049592 18.63 182800 5076176 3411092 19.58 1009372 7212476 22164 Average: 8567550 13090300 2863276 17.49 166524 4409192 3263078 18.73 853934 6496352 23548 11:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:05 lo 956.44 956.44 911.55 911.55 0.00 0.00 0.00 0.00 11:20:05 ens3 95.85 70.23 860.78 13.78 0.00 0.00 0.00 0.00 11:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:04 lo 1390.24 1390.24 1325.27 1325.27 0.00 0.00 0.00 0.00 11:30:04 ens3 38.30 32.30 229.51 8.17 0.00 0.00 0.00 0.00 11:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1172.99 1172.99 1118.07 1118.07 0.00 0.00 0.00 0.00 Average: ens3 67.12 51.29 545.66 10.98 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-37749) 08/15/26 _x86_64_ (4 CPU) 11:08:15 LINUX RESTART (4 CPU) 11:10:03 CPU %user %nice %system %iowait %steal %idle 11:20:05 all 65.85 0.00 2.28 0.14 0.09 31.64 11:20:05 0 64.27 0.00 2.24 0.15 0.09 33.24 11:20:05 1 65.92 0.00 2.42 0.21 0.09 31.36 11:20:05 2 64.88 0.00 2.32 0.12 0.10 32.58 11:20:05 3 68.31 0.00 2.13 0.09 0.09 29.37 11:30:04 all 58.00 0.00 2.33 0.10 0.09 39.48 11:30:04 0 55.06 0.00 2.30 0.12 0.08 42.44 11:30:04 1 61.53 0.00 2.30 0.05 0.09 36.04 11:30:04 2 58.18 0.00 2.34 0.07 0.09 39.32 11:30:04 3 57.22 0.00 2.40 0.17 0.09 40.12 Average: all 61.93 0.00 2.30 0.12 0.09 35.56 Average: 0 59.67 0.00 2.27 0.13 0.09 37.84 Average: 1 63.73 0.00 2.36 0.13 0.09 33.70 Average: 2 61.54 0.00 2.33 0.10 0.09 35.95 Average: 3 62.77 0.00 2.27 0.13 0.09 34.74