---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1826 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 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 679 8074 4 7234 14967 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:03:2c:a7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83747sec preferred_lft 83747sec inet6 fe80::f816:3eff:fe03:2ca7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:90:a3:ee:1d:7c 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-1826) 08/03/26 _x86_64_ (4 CPU) 19:03:15 LINUX RESTART (4 CPU) 19:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:06 42.87 1.04 25.29 16.54 42.99 3965.24 248736.21 19:30:07 32.71 0.01 29.22 3.48 0.16 2475.13 19436.56 19:40:05 7.40 0.02 6.83 0.55 0.32 2891.38 40444.97 Average: 27.69 0.36 20.47 6.87 14.52 3111.18 103013.06 19:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:06 8569708 12428788 3527892 21.55 144036 3822804 3566728 20.47 721724 6673648 13252 19:30:07 8476988 12745988 3206972 19.59 164908 4181484 3188392 18.30 835676 6625036 30552 19:40:05 5286804 10299000 5651576 34.52 168680 4894592 5260348 30.19 1047000 9551472 29828 Average: 7444500 11824592 4128813 25.22 159208 4299627 4005156 22.99 868133 7616719 24544 19:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:06 lo 1484.22 1484.22 1407.65 1407.65 0.00 0.00 0.00 0.00 19:20:06 ens3 90.31 68.49 467.56 16.78 0.00 0.00 0.00 0.00 19:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:07 lo 1540.76 1540.76 1468.15 1468.15 0.00 0.00 0.00 0.00 19:30:07 ens3 38.17 31.85 22.03 11.65 0.00 0.00 0.00 0.00 19:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:05 lo 450.95 450.95 6997.32 6997.32 0.00 0.00 0.00 0.00 19:40:05 ens3 12.43 8.95 8.08 3.18 0.00 0.00 0.00 0.00 19:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1159.84 1159.84 3284.73 3284.73 0.00 0.00 0.00 0.00 Average: ens3 47.03 36.48 166.23 10.55 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-1826) 08/03/26 _x86_64_ (4 CPU) 19:03:15 LINUX RESTART (4 CPU) 19:10:05 CPU %user %nice %system %iowait %steal %idle 19:20:06 all 69.24 0.00 2.49 0.15 0.11 28.01 19:20:06 0 70.55 0.00 2.06 0.09 0.11 27.19 19:20:06 1 67.57 0.00 2.99 0.22 0.11 29.10 19:20:06 2 70.20 0.00 2.45 0.17 0.11 27.08 19:20:06 3 68.61 0.00 2.48 0.14 0.11 28.66 19:30:07 all 62.23 0.00 2.54 0.16 0.11 34.96 19:30:07 0 61.92 0.00 2.57 0.08 0.11 35.32 19:30:07 1 62.25 0.00 2.56 0.22 0.11 34.87 19:30:07 2 62.64 0.00 2.76 0.17 0.11 34.33 19:30:07 3 62.12 0.00 2.29 0.15 0.11 35.34 19:40:05 all 32.13 0.00 0.98 0.15 0.08 66.66 19:40:05 0 25.13 0.00 1.00 0.10 0.08 73.69 19:40:05 1 34.16 0.00 0.97 0.06 0.08 64.74 19:40:05 2 36.49 0.00 1.06 0.21 0.09 62.15 19:40:05 3 32.76 0.00 0.88 0.25 0.08 66.02 Average: all 54.56 0.00 2.01 0.15 0.10 43.18 Average: 0 52.56 0.00 1.88 0.09 0.10 45.37 Average: 1 54.69 0.00 2.18 0.17 0.10 42.87 Average: 2 56.47 0.00 2.09 0.18 0.10 41.15 Average: 3 54.53 0.00 1.88 0.18 0.10 43.31