---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22719 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 15% / 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 710 9822 4 5455 14935 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:2f:b0:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84674sec preferred_lft 84674sec inet6 fe80::f816:3eff:fe2f:b09d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:10:4c:ce:c9:c5 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-22719) 02/27/26 _x86_64_ (4 CPU) 08:57:54 LINUX RESTART (4 CPU) 09:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:05 25.36 2.57 21.13 1.65 146.31 5144.29 8031.36 09:20:05 29.27 0.07 25.97 3.23 1.76 2958.89 15385.03 Average: 27.31 1.32 23.55 2.44 74.03 4051.59 11708.19 09:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:05 9229900 12961636 2994728 18.29 152508 3668684 3208928 18.42 732140 5988960 177720 09:20:05 8995860 13379748 2572612 15.71 184452 4240588 2806968 16.11 864272 6017868 291448 Average: 9112880 13170692 2783670 17.00 168480 3954636 3007948 17.27 798206 6003414 234584 09:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:05 lo 804.91 804.91 765.90 765.90 0.00 0.00 0.00 0.00 09:10:05 ens3 85.76 62.97 709.67 12.19 0.00 0.00 0.00 0.00 09:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:05 lo 1271.07 1271.07 1210.55 1210.55 0.00 0.00 0.00 0.00 09:20:05 ens3 37.05 28.88 204.62 7.65 0.00 0.00 0.00 0.00 09:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1037.99 1037.99 988.22 988.22 0.00 0.00 0.00 0.00 Average: ens3 61.40 45.92 457.15 9.92 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-22719) 02/27/26 _x86_64_ (4 CPU) 08:57:54 LINUX RESTART (4 CPU) 09:00:05 CPU %user %nice %system %iowait %steal %idle 09:10:05 all 65.36 0.00 2.16 0.54 0.13 31.81 09:10:05 0 65.12 0.00 1.94 0.15 0.13 32.66 09:10:05 1 67.97 0.00 2.43 0.15 0.13 29.32 09:10:05 2 65.14 0.00 2.35 1.02 0.13 31.35 09:10:05 3 63.21 0.00 1.93 0.82 0.14 33.91 09:20:05 all 56.69 0.00 2.48 0.80 0.31 39.72 09:20:05 0 58.53 0.00 2.60 0.33 0.18 38.37 09:20:05 1 57.33 0.00 2.46 0.24 0.47 39.50 09:20:05 2 55.29 0.00 2.62 0.75 0.32 41.02 09:20:05 3 55.63 0.00 2.25 1.88 0.26 39.97 Average: all 61.04 0.00 2.32 0.67 0.22 35.75 Average: 0 61.84 0.00 2.27 0.24 0.15 35.50 Average: 1 62.65 0.00 2.45 0.20 0.30 34.41 Average: 2 60.22 0.00 2.48 0.89 0.22 36.18 Average: 3 59.43 0.00 2.09 1.35 0.20 36.93