---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-15309 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 17G 138G 11% / 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 767 19426 4 11898 30857 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:a7:fc:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84590sec preferred_lft 84590sec inet6 fe80::f816:3eff:fea7:fceb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:fa:f0:18:9c:c7 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::84fa:f0ff:fe18:9cc7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-15309) 05/15/26 _x86_64_ (8 CPU) 00:36:19 LINUX RESTART (8 CPU) 00:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:09 12.06 0.24 11.26 0.56 8.63 5059.19 137.22 01:00:24 74.94 2.11 57.00 15.82 312.84 23120.06 483726.67 Average: 43.88 1.19 34.41 8.28 162.57 14198.15 244837.75 00:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:09 24873468 29120548 3188068 9.70 143952 4324068 3155928 9.31 815932 6721032 4164 01:00:24 20129192 31623492 651908 1.98 227048 11196160 1424968 4.20 3030624 8888260 420 Average: 22501330 30372020 1919988 5.84 185500 7760114 2290448 6.75 1923278 7804646 2292 00:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:09 lo 5.60 5.60 0.54 0.54 0.00 0.00 0.00 0.00 00:50:09 ens3 55.10 39.18 133.00 11.47 0.00 0.00 0.00 0.00 00:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:24 lo 4508.23 4508.23 4307.10 4307.10 0.00 0.00 0.00 0.00 01:00:24 ens3 79.42 65.23 596.63 126.86 0.00 0.00 0.00 0.00 01:00:24 docker0 16.68 16.14 114.65 149.69 0.00 0.00 0.00 0.00 01:00:24 veth2bfe943 11.29 9.76 114.47 2.13 0.00 0.00 0.00 0.01 Average: lo 2283.97 2283.97 2179.70 2179.70 0.00 0.00 0.00 0.00 Average: ens3 67.41 52.36 367.60 69.86 0.00 0.00 0.00 0.00 Average: docker0 8.44 8.17 58.01 75.74 0.00 0.00 0.00 0.00 Average: veth2bfe943 5.71 4.94 57.92 1.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-15309) 05/15/26 _x86_64_ (8 CPU) 00:36:19 LINUX RESTART (8 CPU) 00:40:08 CPU %user %nice %system %iowait %steal %idle 00:50:09 all 37.50 0.00 1.23 0.04 0.07 61.16 00:50:09 0 41.87 0.00 1.21 0.01 0.08 56.83 00:50:09 1 40.81 0.00 1.42 0.02 0.08 57.67 00:50:09 2 37.08 0.00 1.25 0.03 0.07 61.57 00:50:09 3 43.56 0.00 1.39 0.03 0.08 54.94 00:50:09 4 29.53 0.00 1.06 0.04 0.07 69.31 00:50:09 5 36.69 0.00 1.33 0.11 0.08 61.80 00:50:09 6 35.76 0.00 1.15 0.01 0.07 63.02 00:50:09 7 34.69 0.00 1.05 0.07 0.07 64.13 01:00:24 all 17.22 0.00 2.15 0.38 0.05 80.19 01:00:24 0 26.11 0.00 3.69 0.13 0.05 70.02 01:00:24 1 17.32 0.00 3.79 0.63 0.05 78.22 01:00:24 2 19.48 0.00 1.85 0.68 0.06 77.92 01:00:24 3 12.78 0.00 1.48 0.17 0.05 85.52 01:00:24 4 14.35 0.00 1.14 0.04 0.05 84.43 01:00:24 5 11.58 0.00 1.07 0.96 0.05 86.35 01:00:24 6 17.05 0.00 1.94 0.26 0.04 80.72 01:00:24 7 19.16 0.00 2.28 0.19 0.05 78.32 Average: all 27.25 0.00 1.70 0.21 0.06 70.78 Average: 0 33.91 0.00 2.46 0.07 0.06 63.49 Average: 1 28.96 0.00 2.62 0.33 0.06 68.04 Average: 2 28.18 0.00 1.55 0.36 0.06 69.84 Average: 3 27.98 0.00 1.43 0.10 0.07 70.42 Average: 4 21.85 0.00 1.10 0.04 0.06 76.96 Average: 5 23.97 0.00 1.20 0.54 0.06 74.23 Average: 6 26.30 0.00 1.55 0.13 0.05 71.96 Average: 7 26.84 0.00 1.67 0.13 0.06 71.30