---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-33038 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 18G 138G 12% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 768 18668 4 12654 30856 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:0b:db:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.74/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83963sec preferred_lft 83963sec inet6 fe80::f816:3eff:fe0b:dbbd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:8a:7e:2b:6f:0b 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 inet6 fe80::8c8a:7eff:fe2b:6f0b/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-33038) 07/05/26 _x86_64_ (8 CPU) 00:24:30 LINUX RESTART (8 CPU) 00:30:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:15 54.04 4.52 48.15 1.37 277.87 7703.57 1907.30 00:50:37 11.21 0.04 10.79 0.38 1.76 4239.90 259.80 01:00:15 59.96 2.29 40.59 17.07 335.48 22746.26 502957.18 Average: 41.16 2.26 32.83 6.06 201.05 11333.29 162057.68 00:30:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:15 25830316 30119940 2188340 6.66 138716 4391444 3103648 9.15 870108 5734708 36732 00:50:37 22065092 28938644 3358592 10.22 168240 6838924 3548616 10.46 1864268 8365668 1273788 01:00:15 19372404 31635364 636404 1.94 233380 11939188 1461964 4.31 3273404 9379768 416 Average: 22422604 30231316 2061112 6.27 180112 7723185 2704743 7.98 2002593 7826715 436979 00:30:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:15 lo 4.47 4.47 0.44 0.44 0.00 0.00 0.00 0.00 00:40:15 ens3 133.49 103.50 1139.47 19.01 0.00 0.00 0.00 0.00 00:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:37 lo 1.74 1.74 0.16 0.16 0.00 0.00 0.00 0.00 00:50:37 ens3 58.95 48.85 247.65 12.06 0.00 0.00 0.00 0.00 00:50:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:15 lo 235.76 235.76 230.86 230.86 0.00 0.00 0.00 0.00 01:00:15 ens3 116.38 101.08 352.66 1384.89 0.00 0.00 0.00 0.00 01:00:15 docker0 68.39 71.16 1374.64 7.92 0.00 0.00 0.00 0.00 01:00:15 veth6f0a1f0 68.38 71.17 1375.57 7.92 0.00 0.00 0.00 0.11 Average: lo 77.72 77.72 74.25 74.25 0.00 0.00 0.00 0.00 Average: ens3 102.27 83.86 579.29 454.74 0.00 0.00 0.00 0.00 Average: docker0 21.94 22.83 440.93 2.54 0.00 0.00 0.00 0.00 Average: veth6f0a1f0 21.93 22.83 441.23 2.54 0.00 0.00 0.00 0.04 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-33038) 07/05/26 _x86_64_ (8 CPU) 00:24:30 LINUX RESTART (8 CPU) 00:30:13 CPU %user %nice %system %iowait %steal %idle 00:40:15 all 18.82 0.00 1.19 0.20 0.06 79.73 00:40:15 0 18.16 0.00 1.24 0.05 0.06 80.50 00:40:15 1 18.65 0.00 1.14 0.07 0.05 80.08 00:40:15 2 20.19 0.00 1.21 0.21 0.06 78.33 00:40:15 3 20.30 0.00 1.31 0.34 0.06 77.99 00:40:15 4 18.96 0.00 1.14 0.22 0.06 79.62 00:40:15 5 16.79 0.00 1.01 0.06 0.06 82.08 00:40:15 6 17.41 0.00 1.10 0.08 0.06 81.34 00:40:15 7 20.08 0.00 1.35 0.57 0.06 77.94 00:50:37 all 32.90 0.00 1.37 0.04 0.12 65.57 00:50:37 0 29.46 0.00 1.17 0.00 0.17 69.19 00:50:37 1 29.45 0.00 1.49 0.03 0.11 68.93 00:50:37 2 34.71 0.00 1.27 0.07 0.12 63.83 00:50:37 3 25.85 0.00 1.19 0.03 0.10 72.81 00:50:37 4 45.19 0.00 1.53 0.01 0.13 53.14 00:50:37 5 37.74 0.00 1.60 0.07 0.13 60.47 00:50:37 6 30.09 0.00 1.39 0.01 0.11 68.40 00:50:37 7 30.71 0.00 1.31 0.11 0.12 67.75 01:00:15 all 15.54 0.00 1.22 0.24 0.07 82.93 01:00:15 0 15.00 0.00 1.47 0.57 0.06 82.90 01:00:15 1 14.81 0.00 1.26 0.17 0.06 83.70 01:00:15 2 14.59 0.00 1.26 0.19 0.06 83.90 01:00:15 3 15.24 0.00 1.13 0.14 0.07 83.43 01:00:15 4 14.84 0.00 1.06 0.22 0.14 83.74 01:00:15 5 15.68 0.00 1.00 0.14 0.06 83.12 01:00:15 6 16.08 0.00 1.01 0.09 0.06 82.75 01:00:15 7 18.07 0.00 1.60 0.35 0.07 79.91 Average: all 22.62 0.00 1.26 0.16 0.09 75.88 Average: 0 21.04 0.00 1.29 0.20 0.10 77.37 Average: 1 21.15 0.00 1.30 0.09 0.08 77.39 Average: 2 23.39 0.00 1.24 0.15 0.08 75.13 Average: 3 20.59 0.00 1.21 0.17 0.08 77.95 Average: 4 26.68 0.00 1.25 0.15 0.11 71.81 Average: 5 23.65 0.00 1.21 0.09 0.08 74.97 Average: 6 21.36 0.00 1.17 0.06 0.08 77.33 Average: 7 23.10 0.00 1.42 0.34 0.08 75.06