---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36053 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 68G 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 677 10487 4 4824 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:ab:07:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84491sec preferred_lft 84491sec inet6 fe80::f816:3eff:feab:792/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:eb:12:b0:63:30 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-36053) 07/15/26 _x86_64_ (4 CPU) 11:29:47 LINUX RESTART (4 CPU) 11:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:04 50.15 11.01 38.21 0.93 1512.40 9163.69 2932.82 11:50:04 10.56 0.46 9.02 1.07 17.65 2091.93 2927.55 12:00:04 27.87 0.56 23.05 4.27 22.04 3758.21 7949.96 Average: 29.56 4.02 23.45 2.09 518.90 5011.03 4600.87 11:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:04 11264768 14295576 1667192 10.18 117524 3064488 2034724 11.68 489552 4258360 30084 11:50:04 9957968 13607152 2349492 14.35 146868 3593412 2896948 16.63 647484 5347624 35140 12:00:04 10781740 15361460 588656 3.60 172048 4438544 1096336 6.29 896608 4174968 168 Average: 10668159 14421396 1535113 9.38 145480 3698815 2009336 11.53 677881 4593651 21797 11:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:04 lo 0.71 0.71 0.07 0.07 0.00 0.00 0.00 0.00 11:40:04 ens3 128.74 96.25 1010.47 17.87 0.00 0.00 0.00 0.00 11:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:04 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 11:50:04 ens3 62.60 50.38 101.96 16.96 0.00 0.00 0.00 0.00 11:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:04 lo 1872.12 1872.12 1773.75 1773.75 0.00 0.00 0.00 0.00 12:00:04 ens3 100.52 91.44 406.47 149.88 0.00 0.00 0.00 0.00 12:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 623.79 623.79 590.41 590.41 0.00 0.00 0.00 0.00 Average: ens3 97.34 79.38 507.08 61.51 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-36053) 07/15/26 _x86_64_ (4 CPU) 11:29:47 LINUX RESTART (4 CPU) 11:30:00 CPU %user %nice %system %iowait %steal %idle 11:40:04 all 23.67 0.00 1.19 0.59 0.07 74.48 11:40:04 0 23.08 0.00 1.06 0.90 0.06 74.90 11:40:04 1 23.33 0.00 1.23 0.41 0.06 74.97 11:40:04 2 22.45 0.00 1.16 0.38 0.06 75.96 11:40:04 3 25.83 0.00 1.33 0.68 0.08 72.10 11:50:04 all 71.83 0.00 2.28 0.74 0.14 25.02 11:50:04 0 71.35 0.00 2.19 0.44 0.14 25.89 11:50:04 1 73.20 0.00 2.26 0.59 0.14 23.82 11:50:04 2 70.16 0.00 2.57 1.44 0.13 25.69 11:50:04 3 72.59 0.00 2.10 0.50 0.14 24.68 12:00:04 all 47.57 0.00 2.24 1.36 0.10 48.74 12:00:04 0 52.25 0.00 2.75 0.79 0.10 44.11 12:00:04 1 43.52 0.00 2.03 1.58 0.09 52.78 12:00:04 2 48.26 0.00 2.24 2.44 0.10 46.97 12:00:04 3 46.25 0.00 1.93 0.64 0.09 51.09 Average: all 47.64 0.00 1.90 0.90 0.10 49.46 Average: 0 48.84 0.00 1.99 0.71 0.10 48.36 Average: 1 46.65 0.00 1.84 0.86 0.10 50.55 Average: 2 46.90 0.00 1.99 1.42 0.10 49.60 Average: 3 48.18 0.00 1.78 0.61 0.10 49.33