---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41251 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 13G 66G 16% / 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 663 8459 4 6866 14982 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:88:44:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.149/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83886sec preferred_lft 83886sec inet6 fe80::f816:3eff:fe88:444a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:e7:ce:8c:10:9d 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-41251) 08/26/26 _x86_64_ (4 CPU) 13:55:26 LINUX RESTART (4 CPU) 14:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:06 29.82 3.16 23.73 2.92 366.40 4233.76 3470.40 14:20:06 25.48 0.03 22.75 2.70 0.65 2190.01 7464.09 14:30:01 15.83 0.02 14.40 1.41 0.44 3392.90 5929.26 Average: 23.75 1.08 20.32 2.35 123.48 3274.54 5614.56 14:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:06 9846396 13593864 2363260 14.43 142952 3722232 2468256 14.17 736620 5390792 21616 14:20:06 8489676 12656496 3297208 20.14 162796 4087284 3376780 19.38 852992 6588468 36712 14:30:01 5146288 10097088 5853548 35.75 171028 4833552 5724924 32.86 1090300 9642992 308 Average: 7827453 12115816 3838005 23.44 158925 4214356 3856653 22.14 893304 7207417 19545 14:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:06 lo 1470.38 1470.38 1395.24 1395.24 0.00 0.00 0.00 0.00 14:10:06 ens3 138.05 104.45 1087.43 20.44 0.00 0.00 0.00 0.00 14:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:06 lo 1160.21 1160.21 1105.25 1105.25 0.00 0.00 0.00 0.00 14:20:06 ens3 37.70 30.75 26.23 10.57 0.00 0.00 0.00 0.00 14:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 670.69 670.69 5091.93 5091.93 0.00 0.00 0.00 0.00 14:30:01 ens3 18.14 14.30 10.52 5.09 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1102.55 1102.55 2521.05 2521.05 0.00 0.00 0.00 0.00 Average: ens3 64.95 50.07 377.62 12.07 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-41251) 08/26/26 _x86_64_ (4 CPU) 13:55:26 LINUX RESTART (4 CPU) 14:00:01 CPU %user %nice %system %iowait %steal %idle 14:10:06 all 60.84 0.00 2.53 0.10 0.13 36.40 14:10:06 0 62.85 0.00 2.68 0.12 0.13 34.22 14:10:06 1 59.88 0.00 2.69 0.10 0.12 37.20 14:10:06 2 59.33 0.00 2.04 0.05 0.12 38.45 14:10:06 3 61.32 0.00 2.71 0.13 0.13 35.71 14:20:06 all 66.98 0.00 2.44 0.05 0.13 30.41 14:20:06 0 65.07 0.00 2.55 0.04 0.12 32.22 14:20:06 1 66.19 0.00 2.34 0.05 0.13 31.29 14:20:06 2 67.99 0.00 2.17 0.09 0.13 29.62 14:20:06 3 68.65 0.00 2.70 0.03 0.13 28.49 14:30:01 all 34.98 0.00 1.40 0.06 0.09 63.47 14:30:01 0 36.24 0.00 1.45 0.04 0.09 62.19 14:30:01 1 36.90 0.00 1.62 0.06 0.09 61.33 14:30:01 2 33.55 0.00 1.28 0.12 0.09 64.97 14:30:01 3 33.22 0.00 1.27 0.03 0.09 65.39 Average: all 54.33 0.00 2.13 0.07 0.11 43.36 Average: 0 54.79 0.00 2.23 0.06 0.11 42.80 Average: 1 54.38 0.00 2.22 0.07 0.11 43.21 Average: 2 53.67 0.00 1.83 0.09 0.11 44.30 Average: 3 54.48 0.00 2.23 0.06 0.12 43.11