---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32101 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 647 7976 4 7365 14998 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:22:02:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.56/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83909sec preferred_lft 83909sec inet6 fe80::f816:3eff:fe22:24c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:83:1a:b3:87:1c 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-32101) 07/01/26 _x86_64_ (4 CPU) 11:00:10 LINUX RESTART (4 CPU) 11:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:01 27.43 0.03 24.35 3.05 0.85 2176.03 8414.09 11:30:15 23.84 0.02 21.45 2.37 0.35 3830.34 8569.99 11:40:15 25.38 0.30 9.91 15.18 11.54 7399.05 232130.07 Average: 25.54 0.12 18.59 6.83 4.22 4462.66 82449.65 11:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:01 8785408 12919664 3034324 18.53 155140 4075664 3022832 17.35 902676 6250988 14340 11:30:15 7007980 12113640 3836720 23.43 172804 4987224 3604116 20.69 1172496 7723808 336 11:40:15 8178168 15358960 583212 3.56 189988 6978516 1113436 6.39 1927568 5691596 76 Average: 7990519 13464088 2484752 15.18 172644 5347135 2580128 14.81 1334247 6555464 4917 11:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:01 lo 1407.55 1407.55 1336.25 1336.25 0.00 0.00 0.00 0.00 11:20:01 ens3 41.26 31.03 15.47 10.11 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:15 lo 925.01 925.01 875.12 875.12 0.00 0.00 0.00 0.00 11:30:15 ens3 38.23 30.11 27.19 10.34 0.00 0.00 0.00 0.00 11:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:15 lo 2546.47 2546.47 9283.61 9283.61 0.00 0.00 0.00 0.00 11:40:15 ens3 79.84 92.97 143.89 1206.54 0.00 0.00 0.00 0.00 11:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1621.03 1621.03 3808.52 3808.52 0.00 0.00 0.00 0.00 Average: ens3 52.99 51.21 61.90 405.85 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-32101) 07/01/26 _x86_64_ (4 CPU) 11:00:10 LINUX RESTART (4 CPU) 11:10:00 CPU %user %nice %system %iowait %steal %idle 11:20:01 all 65.18 0.00 2.34 0.07 0.09 32.32 11:20:01 0 65.95 0.00 2.35 0.08 0.09 31.53 11:20:01 1 66.15 0.00 2.48 0.04 0.09 31.24 11:20:01 2 63.80 0.00 2.41 0.10 0.09 33.59 11:20:01 3 64.83 0.00 2.11 0.05 0.09 32.92 11:30:15 all 46.89 0.00 1.91 0.57 0.09 50.54 11:30:15 0 46.74 0.00 1.74 0.32 0.08 51.12 11:30:15 1 46.97 0.00 2.02 1.39 0.09 49.53 11:30:15 2 46.66 0.00 2.09 0.37 0.09 50.80 11:30:15 3 47.19 0.00 1.81 0.21 0.09 50.70 11:40:15 all 35.14 0.00 1.33 0.50 0.08 62.96 11:40:15 0 41.18 0.00 1.38 0.30 0.09 57.06 11:40:15 1 29.73 0.00 0.98 0.91 0.07 68.32 11:40:15 2 37.24 0.00 1.14 0.69 0.07 60.86 11:40:15 3 32.42 0.00 1.82 0.10 0.08 65.58 Average: all 49.04 0.00 1.86 0.38 0.09 48.63 Average: 0 51.25 0.00 1.82 0.23 0.09 46.60 Average: 1 47.59 0.00 1.82 0.79 0.08 49.72 Average: 2 49.19 0.00 1.88 0.39 0.08 48.46 Average: 3 48.13 0.00 1.91 0.12 0.09 49.75