---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-12669 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 15G 63G 20% / 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 616 7273 4 8099 15030 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:a1:91:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.50/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84855sec preferred_lft 84855sec inet6 fe80::f816:3eff:fea1:91ed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:a8:2c:8d:61:ad 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-v1-8c-8g-12669) 08/15/26 _x86_64_ (4 CPU) 04:58:21 LINUX RESTART (4 CPU) 05:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:10:00 154.70 5.95 146.06 2.69 500.45 17954.99 28039.59 05:20:00 290.37 6.92 275.61 7.83 394.83 10246.42 38622.15 Average: 222.53 6.44 210.84 5.26 447.64 14100.70 33330.87 05:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:10:00 6993348 13083220 2865132 17.50 161220 5990720 3440324 19.75 929092 7995476 343900 05:20:00 6921440 14635744 1305128 7.97 191840 7522472 1782168 10.23 1216748 7673364 428012 Average: 6957394 13859482 2085130 12.74 176530 6756596 2611246 14.99 1072920 7834420 385956 05:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:10:00 lo 55.77 55.77 16.52 16.52 0.00 0.00 0.00 0.00 05:10:00 ens3 1051.87 565.18 1824.49 274.09 0.00 0.00 0.00 0.00 05:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:00 lo 63.46 63.46 41.89 41.89 0.00 0.00 0.00 0.00 05:20:00 ens3 436.67 263.12 830.12 109.11 0.00 0.00 0.00 0.00 05:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 59.62 59.62 29.21 29.21 0.00 0.00 0.00 0.00 Average: ens3 744.27 414.15 1327.30 191.60 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-v1-8c-8g-12669) 08/15/26 _x86_64_ (4 CPU) 04:58:21 LINUX RESTART (4 CPU) 05:00:00 CPU %user %nice %system %iowait %steal %idle 05:10:00 all 41.67 0.00 2.95 1.03 0.08 54.27 05:10:00 0 43.32 0.00 3.13 1.13 0.08 52.34 05:10:00 1 41.02 0.00 2.95 0.94 0.08 55.01 05:10:00 2 40.84 0.00 2.85 1.13 0.08 55.11 05:10:00 3 41.51 0.00 2.86 0.93 0.08 54.63 05:20:00 all 38.95 0.00 2.15 2.28 0.08 56.54 05:20:00 0 38.89 0.00 1.94 2.23 0.08 56.86 05:20:00 1 39.41 0.00 1.93 1.68 0.08 56.90 05:20:00 2 37.71 0.00 1.90 2.01 0.08 58.29 05:20:00 3 39.78 0.00 2.85 3.20 0.08 54.09 Average: all 40.31 0.00 2.55 1.66 0.08 55.40 Average: 0 41.10 0.00 2.53 1.68 0.08 54.60 Average: 1 40.22 0.00 2.44 1.31 0.08 55.96 Average: 2 39.27 0.00 2.38 1.57 0.08 56.70 Average: 3 40.65 0.00 2.85 2.06 0.08 54.36