---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14312 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 12G 66G 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 652 9116 4 6220 14994 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:de:8d:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.233/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83859sec preferred_lft 83859sec inet6 fe80::f816:3eff:fede:8d71/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:e8:c3:3c:00:23 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-14312) 05/14/26 _x86_64_ (4 CPU) 07:29:08 LINUX RESTART (4 CPU) 07:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:01 3.98 0.42 3.35 0.21 406.60 409.41 5646.08 07:50:00 1.24 0.01 1.23 0.00 0.04 13.60 0.00 08:00:12 38.27 4.19 33.42 0.66 256.60 3740.50 1140.01 08:10:00 36.64 0.77 32.51 3.36 29.37 10753.46 22883.07 Average: 20.11 1.37 17.69 1.05 173.66 3706.67 7315.78 07:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:01 13533172 15500188 515464 3.15 56920 2135460 1144728 6.57 332632 2246140 200 07:50:00 13532004 15499436 516232 3.15 57300 2135480 1144728 6.57 333024 2246436 12 08:00:12 11231728 14335388 1628256 9.94 110372 3162760 2026344 11.63 581508 4227784 43152 08:10:00 9340868 15352192 598484 3.66 147904 5911120 1101744 6.32 1574852 4966488 26488 Average: 11909443 15171801 814609 4.98 93124 3336205 1354386 7.77 705504 3421712 17463 07:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 07:40:01 ens3 9.31 4.83 130.98 0.38 0.00 0.00 0.00 0.00 07:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:50:00 ens3 0.24 0.08 0.04 0.02 0.00 0.00 0.00 0.00 07:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:12 lo 0.51 0.51 0.05 0.05 0.00 0.00 0.00 0.00 08:00:12 ens3 90.36 66.29 892.92 12.84 0.00 0.00 0.00 0.00 08:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:00 lo 1221.79 1221.79 1162.72 1162.72 0.00 0.00 0.00 0.00 08:10:00 ens3 86.00 67.45 469.27 50.09 0.00 0.00 0.00 0.00 08:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 300.55 300.55 285.86 285.86 0.00 0.00 0.00 0.00 Average: ens3 46.66 34.78 376.57 15.70 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-14312) 05/14/26 _x86_64_ (4 CPU) 07:29:08 LINUX RESTART (4 CPU) 07:30:08 CPU %user %nice %system %iowait %steal %idle 07:40:01 all 0.45 0.00 0.10 0.06 0.02 99.37 07:40:01 0 0.50 0.00 0.07 0.06 0.02 99.35 07:40:01 1 0.39 0.00 0.11 0.02 0.03 99.45 07:40:01 2 0.65 0.00 0.11 0.14 0.02 99.08 07:40:01 3 0.24 0.00 0.10 0.03 0.01 99.62 07:50:00 all 0.18 0.00 0.03 0.02 0.02 99.76 07:50:00 0 0.01 0.00 0.03 0.00 0.01 99.95 07:50:00 1 0.56 0.00 0.04 0.01 0.03 99.37 07:50:00 2 0.11 0.00 0.02 0.05 0.01 99.81 07:50:00 3 0.03 0.00 0.02 0.00 0.02 99.93 08:00:12 all 12.65 0.00 0.71 0.38 0.04 86.23 08:00:12 0 11.11 0.00 0.62 0.69 0.03 87.55 08:00:12 1 12.79 0.00 0.86 0.37 0.05 85.92 08:00:12 2 15.21 0.00 0.76 0.31 0.03 83.69 08:00:12 3 11.50 0.00 0.58 0.14 0.04 87.75 08:10:00 all 57.78 0.00 2.37 0.12 0.10 39.62 08:10:00 0 62.41 0.00 2.63 0.09 0.10 34.77 08:10:00 1 56.76 0.00 2.13 0.11 0.10 40.89 08:10:00 2 58.62 0.00 2.58 0.23 0.10 38.47 08:10:00 3 53.34 0.00 2.15 0.06 0.10 44.35 Average: all 17.56 0.00 0.79 0.15 0.04 81.46 Average: 0 18.28 0.00 0.83 0.21 0.04 80.64 Average: 1 17.42 0.00 0.78 0.13 0.05 81.62 Average: 2 18.44 0.00 0.86 0.18 0.04 80.48 Average: 3 16.08 0.00 0.71 0.06 0.04 83.11