---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2151 5.15.0-194-generic #204-Ubuntu SMP Wed Sep 2 13:09:23 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: 5600.00 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 26G 130G 17% / 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 1026 16005 4 15060 30596 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:5b:50:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.144/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84380sec preferred_lft 84380sec inet6 fe80::f816:3eff:fe5b:5042/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:df:ef:53:67:f1 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::3cdf:efff:fe53:67f1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-2151) 10/16/26 _x86_64_ (8 CPU) 07:23:10 LINUX RESTART (8 CPU) 07:30:37 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:37 199.37 0.57 188.78 10.02 24.60 42551.00 297021.65 07:50:08 59.67 0.48 54.14 5.06 18.11 8692.75 32884.79 Average: 131.21 0.52 123.09 7.60 21.43 26031.06 168145.37 07:30:37 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:37 1397372 21867832 10281036 31.28 590256 18968980 16687760 49.21 5061508 22723852 1436 07:50:08 695156 16694652 14590604 44.40 575768 15416192 24919136 73.48 4971560 23433472 25408 Average: 1046264 19281242 12435820 37.84 583012 17192586 20803448 61.35 5016534 23078662 13422 07:30:37 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:37 lo 2.13 2.13 0.64 0.64 0.00 0.00 0.00 0.00 07:40:37 ens3 178.45 93.87 2622.22 21.91 0.00 0.00 0.00 0.00 07:40:37 docker0 19.01 36.31 1.51 602.85 0.00 0.00 0.00 0.00 07:40:37 br-ce339ffc672c 0.29 0.25 0.01 0.02 0.00 0.00 0.00 0.00 07:40:37 vethe6d2eeb 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 07:40:37 vethbc5abe0 30.60 31.42 10.57 10.64 0.00 0.00 0.00 0.00 07:40:37 veth37ad21e 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 07:40:37 veth45e3c9f 0.38 0.38 0.04 0.19 0.00 0.00 0.00 0.00 07:40:37 vethdc659a3 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 07:40:37 veth5eaca21 26.42 25.51 12.75 7.05 0.00 0.00 0.00 0.00 07:40:37 vetha55ef13 0.34 0.54 0.53 3.13 0.00 0.00 0.00 0.00 07:40:37 vethc70eb19 1.45 1.18 0.20 1.27 0.00 0.00 0.00 0.00 07:50:08 lo 70.39 70.39 317.11 317.11 0.00 0.00 0.00 0.00 07:50:08 ens3 16.92 14.80 63.62 3.22 0.00 0.00 0.00 0.00 07:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:08 br-ce339ffc672c 65.78 80.17 71.79 311.67 0.00 0.00 0.00 0.00 07:50:08 vethe6d2eeb 83.75 98.54 72.92 599.86 0.00 0.00 0.00 0.05 07:50:08 vethbc5abe0 128.03 135.21 98.85 72.19 0.00 0.00 0.00 0.01 07:50:08 veth37ad21e 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 07:50:08 veth45e3c9f 18.58 19.46 74.41 53.47 0.00 0.00 0.00 0.01 07:50:08 vethdc659a3 32.22 31.17 291.59 74.71 0.00 0.00 0.00 0.02 07:50:08 veth5eaca21 93.79 85.92 106.39 59.32 0.00 0.00 0.00 0.01 07:50:08 vethc70eb19 51.79 51.65 30.68 44.24 0.00 0.00 0.00 0.00 Average: lo 35.44 35.44 155.05 155.05 0.00 0.00 0.00 0.00 Average: ens3 99.64 55.29 1373.84 12.79 0.00 0.00 0.00 0.00 Average: docker0 9.73 18.59 0.78 308.71 0.00 0.00 0.00 0.00 Average: br-ce339ffc672c 32.24 39.24 35.04 152.08 0.00 0.00 0.00 0.00 Average: vethe6d2eeb 40.88 48.14 35.58 292.68 0.00 0.00 0.00 0.02 Average: vethbc5abe0 78.14 82.06 53.64 40.67 0.00 0.00 0.00 0.00 Average: veth37ad21e 0.07 0.11 0.01 0.02 0.00 0.00 0.00 0.00 Average: veth45e3c9f 9.26 9.69 36.33 26.18 0.00 0.00 0.00 0.00 Average: vethdc659a3 15.74 15.27 142.27 36.45 0.00 0.00 0.00 0.01 Average: veth5eaca21 59.29 54.99 58.44 32.55 0.00 0.00 0.00 0.00 Average: vethc70eb19 26.01 25.81 15.07 22.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-2151) 10/16/26 _x86_64_ (8 CPU) 07:23:10 LINUX RESTART (8 CPU) 07:30:37 CPU %user %nice %system %iowait %steal %idle 07:40:37 all 17.71 0.02 3.12 0.91 0.02 78.22 07:40:37 0 17.15 0.03 3.37 0.63 0.02 78.80 07:40:37 1 17.44 0.01 3.16 1.25 0.01 78.12 07:40:37 2 17.64 0.05 3.46 0.90 0.02 77.93 07:40:37 3 17.59 0.03 2.96 0.77 0.02 78.63 07:40:37 4 19.10 0.00 3.21 0.80 0.02 76.87 07:40:37 5 17.40 0.01 3.18 1.23 0.02 78.17 07:40:37 6 18.34 0.02 2.89 0.61 0.02 78.13 07:40:37 7 17.04 0.04 2.68 1.10 0.02 79.12 07:50:08 all 23.03 0.01 4.98 0.58 0.05 71.35 07:50:08 0 22.52 0.01 6.31 0.27 0.06 70.84 07:50:08 1 23.10 0.01 5.57 2.05 0.05 69.22 07:50:08 2 22.46 0.00 4.94 0.33 0.06 72.21 07:50:08 3 22.38 0.01 4.68 0.45 0.05 72.43 07:50:08 4 23.98 0.02 4.80 0.52 0.05 70.62 07:50:08 5 23.40 0.00 4.53 0.38 0.05 71.64 07:50:08 6 23.67 0.01 4.41 0.35 0.05 71.50 07:50:08 7 22.74 0.01 4.55 0.30 0.05 72.35 Average: all 20.30 0.02 4.02 0.75 0.04 74.87 Average: 0 19.78 0.02 4.81 0.45 0.03 74.90 Average: 1 20.20 0.01 4.34 1.64 0.03 73.77 Average: 2 19.99 0.03 4.18 0.62 0.04 75.14 Average: 3 19.93 0.02 3.80 0.61 0.04 75.60 Average: 4 21.48 0.01 3.99 0.66 0.04 73.82 Average: 5 20.32 0.01 3.83 0.81 0.03 74.99 Average: 6 20.93 0.01 3.63 0.48 0.03 74.90 Average: 7 19.81 0.03 3.59 0.71 0.03 75.83