---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-29 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 779 18994 4 12318 30845 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:b5:54:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84120sec preferred_lft 84120sec inet6 fe80::f816:3eff:feb5:541b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:96:af:ed:a7:bb 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::a096:afff:feed:a7bb/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-29) 04/07/26 _x86_64_ (8 CPU) 08:47:39 LINUX RESTART (8 CPU) 08:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:17 66.49 4.18 46.12 16.19 262.74 8253.37 506184.86 09:10:22 23.09 0.49 22.06 0.54 17.23 15096.70 2891.83 09:20:22 50.77 1.99 47.82 0.97 353.12 10452.53 5062.72 Average: 46.80 2.22 38.65 5.93 210.73 11265.02 172354.77 08:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:17 24805156 29006260 3301528 10.05 142016 4290888 3940500 11.62 814760 6807200 35596 09:10:22 18744444 27484376 4804072 14.62 190608 8609628 4867620 14.35 2116480 11354204 156 09:20:22 19729240 31654560 617156 1.88 235772 11604688 1417696 4.18 3155328 9154240 96 Average: 21092947 29381732 2907585 8.85 189465 8168401 3408605 10.05 2028856 9105215 11949 08:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:17 lo 5.67 5.67 0.55 0.55 0.00 0.00 0.00 0.00 09:00:17 ens3 120.89 98.08 1140.00 18.46 0.00 0.00 0.00 0.00 09:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:22 lo 228.83 228.83 223.66 223.66 0.00 0.00 0.00 0.00 09:10:22 ens3 55.88 46.44 317.00 12.87 0.00 0.00 0.00 0.00 09:10:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:22 lo 0.57 0.57 0.20 0.20 0.00 0.00 0.00 0.00 09:20:22 ens3 106.94 97.50 313.21 1352.82 0.00 0.00 0.00 0.00 09:20:22 docker0 82.49 82.03 1346.61 160.52 0.00 0.00 0.00 0.00 09:20:22 veth9cc2ebc 76.64 74.88 1347.30 9.36 0.00 0.00 0.00 0.11 Average: lo 78.46 78.46 74.89 74.89 0.00 0.00 0.00 0.00 Average: ens3 94.58 80.65 591.68 458.27 0.00 0.00 0.00 0.00 Average: docker0 27.30 27.15 445.74 53.13 0.00 0.00 0.00 0.00 Average: veth9cc2ebc 25.37 24.78 445.96 3.10 0.00 0.00 0.00 0.04 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-29) 04/07/26 _x86_64_ (8 CPU) 08:47:39 LINUX RESTART (8 CPU) 08:50:10 CPU %user %nice %system %iowait %steal %idle 09:00:17 all 34.12 0.00 1.78 0.22 0.07 63.81 09:00:17 0 36.59 0.00 1.64 0.08 0.07 61.61 09:00:17 1 31.69 0.00 1.98 0.67 0.07 65.58 09:00:17 2 34.47 0.00 1.70 0.43 0.07 63.32 09:00:17 3 33.29 0.00 1.76 0.03 0.06 64.86 09:00:17 4 32.85 0.00 1.59 0.08 0.06 65.41 09:00:17 5 34.25 0.00 1.75 0.08 0.07 63.86 09:00:17 6 32.20 0.00 1.96 0.12 0.07 65.65 09:00:17 7 37.60 0.00 1.88 0.25 0.07 60.19 09:10:22 all 25.53 0.00 1.19 0.12 0.06 73.10 09:10:22 0 22.64 0.00 1.06 0.03 0.06 76.20 09:10:22 1 31.56 0.00 1.46 0.01 0.07 66.90 09:10:22 2 28.87 0.00 1.52 0.15 0.06 69.41 09:10:22 3 24.94 0.00 1.19 0.07 0.07 73.73 09:10:22 4 21.15 0.00 1.05 0.02 0.06 77.71 09:10:22 5 25.55 0.00 0.94 0.01 0.06 73.44 09:10:22 6 27.85 0.00 1.03 0.40 0.06 70.66 09:10:22 7 21.68 0.00 1.25 0.27 0.05 76.75 09:20:22 all 7.14 0.00 0.95 0.16 0.03 91.73 09:20:22 0 8.73 0.00 1.37 0.04 0.04 89.82 09:20:22 1 12.22 0.00 1.30 0.13 0.04 86.31 09:20:22 2 7.44 0.00 1.00 0.15 0.03 91.38 09:20:22 3 5.85 0.00 0.68 0.39 0.03 93.06 09:20:22 4 4.13 0.00 0.53 0.22 0.03 95.10 09:20:22 5 6.21 0.00 0.73 0.02 0.03 93.01 09:20:22 6 4.01 0.00 0.61 0.18 0.03 95.17 09:20:22 7 8.50 0.00 1.37 0.12 0.04 89.98 Average: all 22.32 0.00 1.31 0.17 0.05 76.15 Average: 0 22.71 0.00 1.36 0.05 0.06 75.82 Average: 1 25.20 0.00 1.58 0.27 0.06 72.89 Average: 2 23.65 0.00 1.41 0.25 0.05 74.64 Average: 3 21.41 0.00 1.21 0.16 0.05 77.16 Average: 4 19.44 0.00 1.06 0.11 0.05 79.35 Average: 5 22.07 0.00 1.14 0.04 0.05 76.70 Average: 6 21.41 0.00 1.20 0.23 0.05 77.10 Average: 7 22.65 0.00 1.50 0.21 0.05 75.58