---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2420 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 10G 68G 13% / 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 606 10953 4 4429 15040 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:c2:20:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84474sec preferred_lft 84474sec inet6 fe80::f816:3eff:fec2:2041/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:10:e4:54:7f:3d 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-2420) 08/05/26 _x86_64_ (4 CPU) 21:04:16 LINUX RESTART (4 CPU) 21:10:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:20:21 30.46 2.57 23.39 4.50 141.26 3314.09 3781.61 21:30:22 45.23 0.16 37.22 7.85 10.22 4479.98 20733.49 Average: 37.85 1.36 30.31 6.18 75.70 3897.39 12262.70 21:10:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:20:21 10746388 13978092 1982644 12.11 139464 3228432 2174384 12.48 518544 4729800 21908 21:30:22 11214800 15387904 566624 3.46 200520 4026980 1114240 6.40 787912 3884872 16 Average: 10980594 14682998 1274634 7.78 169992 3627706 1644312 9.44 653228 4307336 10962 21:10:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:20:21 lo 2538.90 2538.90 2421.93 2421.93 0.00 0.00 0.00 0.00 21:20:21 ens3 119.03 92.94 814.94 20.69 0.00 0.00 0.00 0.00 21:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:22 lo 3933.41 3933.41 3748.19 3748.19 0.00 0.00 0.00 0.00 21:30:22 ens3 114.42 87.62 136.65 46.49 0.00 0.00 0.00 0.00 21:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3236.58 3236.58 3085.46 3085.46 0.00 0.00 0.00 0.00 Average: ens3 116.72 90.28 475.59 33.60 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-2420) 08/05/26 _x86_64_ (4 CPU) 21:04:16 LINUX RESTART (4 CPU) 21:10:20 CPU %user %nice %system %iowait %steal %idle 21:20:21 all 41.02 0.00 2.44 0.08 0.09 56.36 21:20:21 0 41.48 0.00 2.61 0.04 0.10 55.77 21:20:21 1 40.87 0.00 2.49 0.18 0.10 56.36 21:20:21 2 40.93 0.00 2.18 0.04 0.09 56.76 21:20:21 3 40.80 0.00 2.48 0.06 0.09 56.57 21:30:22 all 59.71 0.00 3.71 0.14 0.12 36.31 21:30:22 0 57.76 0.00 3.51 0.13 0.12 38.48 21:30:22 1 59.52 0.00 3.41 0.16 0.12 36.78 21:30:22 2 60.77 0.00 3.93 0.10 0.13 35.07 21:30:22 3 60.79 0.00 4.00 0.17 0.13 34.90 Average: all 50.37 0.00 3.08 0.11 0.11 46.33 Average: 0 49.62 0.00 3.06 0.08 0.11 47.12 Average: 1 50.20 0.00 2.95 0.17 0.11 46.56 Average: 2 50.85 0.00 3.06 0.07 0.11 45.91 Average: 3 50.81 0.00 3.24 0.12 0.11 45.73