---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38593 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 14% / 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 678 10260 4 5050 14968 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:73:51:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84141sec preferred_lft 84141sec inet6 fe80::f816:3eff:fe73:51ee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:7e:25:6b:cb:25 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-38593) 07/25/26 _x86_64_ (4 CPU) 07:39:02 LINUX RESTART (4 CPU) 07:40:32 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:36 12.47 1.12 10.71 0.65 64.40 2359.68 23007.46 08:00:01 12.92 2.04 10.10 0.77 131.69 2792.89 1590.93 08:10:09 27.49 0.77 23.18 3.54 27.65 3418.93 3045.11 Average: 17.75 1.29 14.78 1.68 73.24 2859.76 9366.62 07:40:32 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:36 12786916 15484284 485396 2.96 103336 2779884 984792 5.65 359792 2879324 4 08:00:01 10417220 13952120 2006376 12.25 134716 3518880 2378100 13.65 569412 5002532 23144 08:10:09 8362324 13062036 2887648 17.64 172824 4560640 3540436 20.32 882324 6636524 255804 Average: 10522153 14166147 1793140 10.95 136959 3619801 2301109 13.21 603843 4839460 92984 07:40:32 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:36 lo 0.26 0.26 0.02 0.02 0.00 0.00 0.00 0.00 07:50:36 ens3 29.63 18.75 501.77 3.11 0.00 0.00 0.00 0.00 07:50:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 lo 1.01 1.01 0.10 0.10 0.00 0.00 0.00 0.00 08:00:01 ens3 98.95 79.93 636.26 18.27 0.00 0.00 0.00 0.00 08:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:09 lo 1602.59 1602.59 1527.59 1527.59 0.00 0.00 0.00 0.00 08:10:09 ens3 99.50 74.82 426.65 19.51 0.00 0.00 0.00 0.00 08:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 548.47 548.47 522.46 522.46 0.00 0.00 0.00 0.00 Average: ens3 75.58 57.39 518.87 13.54 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-38593) 07/25/26 _x86_64_ (4 CPU) 07:39:02 LINUX RESTART (4 CPU) 07:40:32 CPU %user %nice %system %iowait %steal %idle 07:50:36 all 1.24 0.00 0.23 0.16 0.02 98.34 07:50:36 0 3.08 0.00 0.26 0.07 0.02 96.56 07:50:36 1 0.70 0.00 0.22 0.31 0.02 98.76 07:50:36 2 0.80 0.00 0.26 0.23 0.02 98.69 07:50:36 3 0.40 0.00 0.18 0.04 0.02 99.36 08:00:01 all 51.64 0.00 1.69 0.04 0.08 46.54 08:00:01 0 50.52 0.00 1.31 0.01 0.08 48.08 08:00:01 1 52.47 0.00 1.73 0.02 0.08 45.71 08:00:01 2 53.63 0.00 2.00 0.06 0.08 44.22 08:00:01 3 49.95 0.00 1.73 0.08 0.08 48.16 08:10:09 all 68.12 0.00 2.71 0.25 0.11 28.80 08:10:09 0 68.43 0.00 2.57 0.39 0.11 28.50 08:10:09 1 70.32 0.00 2.63 0.18 0.11 26.76 08:10:09 2 67.34 0.00 2.86 0.24 0.11 29.45 08:10:09 3 66.41 0.00 2.79 0.20 0.11 30.49 Average: all 40.12 0.00 1.54 0.16 0.07 58.11 Average: 0 40.53 0.00 1.39 0.16 0.07 57.85 Average: 1 40.92 0.00 1.52 0.17 0.07 57.32 Average: 2 40.32 0.00 1.70 0.18 0.07 57.72 Average: 3 38.72 0.00 1.57 0.11 0.07 59.54