---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38975 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 13G 65G 17% / 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 637 8305 4 7046 15009 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:00:89:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.201/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83890sec preferred_lft 83890sec inet6 fe80::f816:3eff:fe00:8976/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:76:18:f7:1f:71 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-38975) 08/20/26 _x86_64_ (4 CPU) 07:56:55 LINUX RESTART (4 CPU) 08:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:10 42.93 2.93 23.71 16.29 159.65 3987.12 240935.95 08:20:01 26.29 0.03 23.60 2.66 0.65 2314.52 9926.80 08:30:01 13.93 0.02 12.63 1.28 0.45 3266.57 29898.35 Average: 27.81 1.01 19.99 6.81 54.38 3197.41 94734.97 08:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:10 10025148 13616936 2341372 14.30 141160 3570576 2534968 14.55 681580 5277800 26576 08:20:01 8408696 12645576 3308556 20.21 160872 4151708 3451364 19.81 830716 6698664 249428 08:30:01 5931192 10718192 5234212 31.97 166080 4677612 5210308 29.91 1024056 8947952 220 Average: 8121679 12326901 3628047 22.16 156037 4133299 3732213 21.42 845451 6974805 92075 08:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:10 lo 1775.48 1775.48 1687.05 1687.05 0.00 0.00 0.00 0.00 08:10:10 ens3 126.43 98.58 962.04 20.47 0.00 0.00 0.00 0.00 08:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 lo 1127.52 1127.52 1073.81 1073.81 0.00 0.00 0.00 0.00 08:20:01 ens3 40.44 32.51 27.08 11.24 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 557.28 557.28 4956.13 4956.13 0.00 0.00 0.00 0.00 08:30:01 ens3 20.56 16.29 10.61 5.61 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1156.88 1156.88 2573.93 2573.93 0.00 0.00 0.00 0.00 Average: ens3 62.92 49.46 337.92 12.49 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-38975) 08/20/26 _x86_64_ (4 CPU) 07:56:55 LINUX RESTART (4 CPU) 08:00:01 CPU %user %nice %system %iowait %steal %idle 08:10:10 all 60.65 0.00 2.53 0.77 0.10 35.94 08:10:10 0 60.50 0.00 2.86 1.13 0.10 35.41 08:10:10 1 58.73 0.00 2.54 0.80 0.10 37.83 08:10:10 2 62.56 0.00 2.37 0.55 0.10 34.41 08:10:10 3 60.82 0.00 2.37 0.60 0.11 36.10 08:20:01 all 67.67 0.00 2.38 0.17 0.10 29.68 08:20:01 0 67.53 0.00 2.05 0.44 0.10 29.88 08:20:01 1 67.67 0.00 2.46 0.04 0.11 29.72 08:20:01 2 67.03 0.00 2.64 0.05 0.11 30.17 08:20:01 3 68.47 0.00 2.36 0.13 0.11 28.94 08:30:01 all 35.10 0.00 1.37 0.94 0.10 62.48 08:30:01 0 31.30 0.00 1.43 2.61 0.10 64.56 08:30:01 1 34.04 0.00 1.33 0.35 0.10 64.17 08:30:01 2 37.53 0.00 1.39 0.14 0.11 60.83 08:30:01 3 37.56 0.00 1.35 0.65 0.10 60.34 Average: all 54.44 0.00 2.10 0.63 0.10 42.73 Average: 0 53.06 0.00 2.11 1.40 0.10 43.33 Average: 1 53.44 0.00 2.11 0.40 0.10 43.94 Average: 2 55.69 0.00 2.13 0.25 0.10 41.82 Average: 3 55.58 0.00 2.03 0.46 0.10 41.83