---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1543 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 685 10260 4 5043 14960 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:13:4a:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84190sec preferred_lft 84190sec inet6 fe80::f816:3eff:fe13:4a55/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:e5:46:62:f7:80 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-1543) 08/02/26 _x86_64_ (4 CPU) 15:56:24 LINUX RESTART (4 CPU) 16:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:01 18.53 0.23 4.65 13.64 27.48 805.41 265393.54 16:20:06 15.61 2.02 12.57 1.02 129.41 3080.10 2273.13 16:30:00 33.80 0.93 28.37 4.51 33.61 4456.27 2981.53 Average: 22.59 1.06 15.16 6.37 63.87 2778.66 89980.09 16:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:01 12806856 15499972 469408 2.87 104184 2775116 996300 5.72 366360 2852560 336 16:20:06 10277884 13952532 2004432 12.24 144992 3635716 2291100 13.15 610360 5082936 25804 16:30:00 10574828 15378604 571036 3.49 177712 4649856 1106184 6.35 925108 4352208 80 Average: 11219856 14943703 1014959 6.20 142296 3686896 1464528 8.41 633943 4095901 8740 16:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:01 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 16:10:01 ens3 31.80 21.04 546.01 2.06 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:06 lo 1.32 1.32 0.13 0.13 0.00 0.00 0.00 0.00 16:20:06 ens3 103.78 83.15 590.56 20.85 0.00 0.00 0.00 0.00 16:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:00 lo 1566.32 1566.32 1489.46 1489.46 0.00 0.00 0.00 0.00 16:30:00 ens3 98.42 78.17 438.25 64.95 0.00 0.00 0.00 0.00 16:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 518.10 518.10 492.25 492.25 0.00 0.00 0.00 0.00 Average: ens3 78.08 60.85 525.42 29.18 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-1543) 08/02/26 _x86_64_ (4 CPU) 15:56:24 LINUX RESTART (4 CPU) 16:00:04 CPU %user %nice %system %iowait %steal %idle 16:10:01 all 0.64 0.00 0.14 0.08 0.02 99.13 16:10:01 0 0.47 0.00 0.13 0.04 0.02 99.34 16:10:01 1 0.73 0.00 0.20 0.09 0.01 98.96 16:10:01 2 0.28 0.00 0.10 0.10 0.01 99.52 16:10:01 3 1.09 0.00 0.12 0.07 0.02 98.71 16:20:06 all 66.65 0.00 2.10 0.05 0.09 31.10 16:20:06 0 64.11 0.00 1.85 0.07 0.09 33.87 16:20:06 1 66.64 0.00 2.23 0.06 0.10 30.97 16:20:06 2 68.68 0.00 2.14 0.02 0.09 29.07 16:20:06 3 67.19 0.00 2.17 0.05 0.09 30.50 16:30:00 all 61.78 0.00 2.54 0.08 0.09 35.51 16:30:00 0 61.85 0.00 2.52 0.15 0.09 35.40 16:30:00 1 62.84 0.00 2.74 0.06 0.09 34.26 16:30:00 2 58.43 0.00 2.29 0.06 0.09 39.14 16:30:00 3 63.99 0.00 2.60 0.06 0.09 33.26 Average: all 43.05 0.00 1.59 0.07 0.07 55.22 Average: 0 42.19 0.00 1.50 0.09 0.07 56.16 Average: 1 43.44 0.00 1.72 0.07 0.07 54.70 Average: 2 42.52 0.00 1.51 0.06 0.06 55.85 Average: 3 44.06 0.00 1.63 0.06 0.07 54.18